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LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LB81C MODEL : 42LG61YD 42LG61YD-AC website:http://biz.LGservice.com Internal Use Only

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LCD TVSERVICE MANUAL

CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LB81C

MODEL : 42LG61YD 42LG61YD-AC

website:http://biz.LGservice.comInternal Use Only

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 2 -

CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SPECIFICATION ........................................................................................6

ADJUSTMENT INSTRUCTION ...............................................................12

TROUBLE SHOOTING ............................................................................18

BLOCK DIAGRAM...................................................................................22

EXPLODED VIEW .................................................................................. 34

SVC. SHEET ...............................................................................................

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 3 -

SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to preventShock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance

An isolation Transformer should always be used during theservicing of a receiver whose chassis is not isolated from the ACpower line. Use a transformer of adequate power rating as thisprotects the technician from accidents resulting in personal injuryfrom electrical shocks.

It will also protect the receiver and it's components from beingdamaged by accidental shorts of the circuitry that may beinadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this TV receiver is blown,replace it with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor,over 1W), keep the resistor 10mm away from PCB.

Keep wires away from high voltage or high temperature parts.

Before returning the receiver to the customer,

always perform an AC leakage current check on the exposedmetallic parts of the cabinet, such as antennas, terminals, etc., tobe sure the set is safe to operate without damage of electricalshock.

Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source, connect anelectrical jumper across the two AC plug prongs. Place the ACswitch in the on position, connect one lead of ohm-meter to the ACplug prongs tied together and touch other ohm-meter lead in turn toeach exposed metallic parts such as antenna terminals, phonejacks, etc. If the exposed metallic part has a return path to the chassis, themeasured resistance should be between 1MΩ and 5.2MΩ. When the exposed metal has no return path to the chassis thereading must be infinite.An other abnormality exists that must be corrected before thereceiver is returned to the customer.

Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.

Do not use a line Isolation Transformer during this check.Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitorbetween a known good earth ground (Water Pipe, Conduit, etc.)and the exposed metallic parts.Measure the AC voltage across the resistor using AC voltmeterwith 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat AC voltagemeasurements for each exposed metallic part. Any voltagemeasured must not exceed 0.75 volt RMS which is corresponds to0.5mA.In case any measurement is out of the limits specified, there ispossibility of shock hazard and the set must be checked andrepaired before it is returned to the customer.

Leakage Current Hot Check circuit

1.5 Kohm/10W

To Instrument'sexposed METALLIC PARTS

Good Earth Groundsuch as WATER PIPE,CONDUIT etc.

AC Volt-meter

IMPORTANT SAFETY NOTICE

0.15uF

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 4 -

CAUTION: Before servicing receivers covered by this servicemanual and its supplements and addenda, read and follow theSAFETY PRECAUTIONS on page 3 of this publication.NOTE: If unforeseen circumstances create conflict between thefollowing servicing precautions and any of the safety precautions onpage 3 of this publication, always follow the safety precautions.Remember: Safety First.

General Servicing Precautions1. Always unplug the receiver AC power cord from the AC power

source before;a. Removing or reinstalling any component, circuit board

module or any other receiver assembly.b. Disconnecting or reconnecting any receiver electrical plug or

other electrical connection.c. Connecting a test substitute in parallel with an electrolytic

capacitor in the receiver.CAUTION: A wrong part substitution or incorrect polarityinstallation of electrolytic capacitors may result in anexplosion hazard.

2. Test high voltage only by measuring it with an appropriate highvoltage meter or other voltage measuring device (DVM,FETVOM, etc) equipped with a suitable high voltage probe.Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of itsassemblies.

4. Unless specified otherwise in this service manual, cleanelectrical contacts only by applying the following mixture to thecontacts with a pipe cleaner, cotton-tipped stick or comparablenon-abrasive applicator; 10% (by volume) Acetone and 90% (byvolume) isopropyl alcohol (90%-99% strength)CAUTION: This is a flammable mixture.Unless specified otherwise in this service manual, lubrication ofcontacts in not required.

5. Do not defeat any plug/socket B+ voltage interlocks with whichreceivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of itselectrical assemblies unless all solid-state device heat sinks arecorrectly installed.

7. Always connect the test receiver ground lead to the receiverchassis ground before connecting the test receiver positivelead.Always remove the test receiver ground lead last.

8. Use with this receiver only the test fixtures specified in thisservice manual.CAUTION: Do not connect the test fixture ground strap to anyheat sink in this receiver.

Electrostatically Sensitive (ES) DevicesSome semiconductor (solid-state) devices can be damaged easilyby static electricity. Such components commonly are calledElectrostatically Sensitive (ES) Devices. Examples of typical ESdevices are integrated circuits and some field-effect transistors andsemiconductor "chip" components. The following techniquesshould be used to help reduce the incidence of componentdamage caused by static by static electricity.1. Immediately before handling any semiconductor component or

semiconductor-equipped assembly, drain off any electrostaticcharge on your body by touching a known earth ground.Alternatively, obtain and wear a commercially availabledischarging wrist strap device, which should be removed toprevent potential shock reasons prior to applying power to the

unit under test.2. After removing an electrical assembly equipped with ES

devices, place the assembly on a conductive surface such asaluminum foil, to prevent electrostatic charge buildup orexposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESdevices.

4. Use only an anti-static type solder removal device. Some solderremoval devices not classified as "anti-static" can generateelectrical charges sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generateelectrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protectivepackage until immediately before you are ready to install it.(Most replacement ES devices are packaged with leadselectrically shorted together by conductive foam, aluminum foilor comparable conductive material).

7. Immediately before removing the protective material from theleads of a replacement ES device, touch the protective materialto the chassis or circuit assembly into which the device will beinstalled.CAUTION: Be sure no power is applied to the chassis or circuit,and observe all other safety precautions.

8. Minimize bodily motions when handling unpackagedreplacement ES devices. (Otherwise harmless motion such asthe brushing together of your clothes fabric or the lifting of yourfoot from a carpeted floor can generate static electricitysufficient to damage an ES device.)

General Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron and appropriate

tip size and shape that will maintain tip temperature within therange or 500°F to 600°F.

2. Use an appropriate gauge of RMA resin-core solder composedof 60 parts tin/40 parts lead.

3. Keep the soldering iron tip clean and well tinned.4. Thoroughly clean the surfaces to be soldered. Use a mall wire-

bristle (0.5 inch, or 1.25cm) brush with a metal handle.Do not use freon-propelled spray-on cleaners.

5. Use the following unsoldering techniquea. Allow the soldering iron tip to reach normal temperature.

(500°F to 600°F)b. Heat the component lead until the solder melts.c. Quickly draw the melted solder with an anti-static, suction-

type solder removal device or with solder braid.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

6. Use the following soldering technique.a. Allow the soldering iron tip to reach a normal temperature

(500°F to 600°F)b. First, hold the soldering iron tip and solder the strand against

the component lead until the solder melts.c. Quickly move the soldering iron tip to the junction of the

component lead and the printed circuit foil, and hold it thereonly until the solder flows onto and around both thecomponent lead and the foil.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

d. Closely inspect the solder area and remove any excess orsplashed solder with a small wire-bristle brush.

SERVICING PRECAUTIONS

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

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IC Remove/ReplacementSome chassis circuit boards have slotted holes (oblong) throughwhich the IC leads are inserted and then bent flat against thecircuit foil. When holes are the slotted type, the following techniqueshould be used to remove and replace the IC. When working withboards using the familiar round hole, use the standard techniqueas outlined in paragraphs 5 and 6 above.

Removal1. Desolder and straighten each IC lead in one operation by gently

prying up on the lead with the soldering iron tip as the soldermelts.

2. Draw away the melted solder with an anti-static suction-typesolder removal device (or with solder braid) before removing theIC.

Replacement1. Carefully insert the replacement IC in the circuit board.2. Carefully bend each IC lead against the circuit foil pad and

solder it.3. Clean the soldered areas with a small wire-bristle brush.

(It is not necessary to reapply acrylic coating to the areas).

"Small-Signal" Discrete TransistorRemoval/Replacement1. Remove the defective transistor by clipping its leads as close as

possible to the component body.2. Bend into a "U" shape the end of each of three leads remaining

on the circuit board.3. Bend into a "U" shape the replacement transistor leads.4. Connect the replacement transistor leads to the corresponding

leads extending from the circuit board and crimp the "U" withlong nose pliers to insure metal to metal contact then soldereach connection.

Power Output, Transistor DeviceRemoval/Replacement1. Heat and remove all solder from around the transistor leads.2. Remove the heat sink mounting screw (if so equipped).3. Carefully remove the transistor from the heat sink of the circuit

board.4. Insert new transistor in the circuit board.5. Solder each transistor lead, and clip off excess lead.6. Replace heat sink.

Diode Removal/Replacement1. Remove defective diode by clipping its leads as close as

possible to diode body.2. Bend the two remaining leads perpendicular y to the circuit

board.3. Observing diode polarity, wrap each lead of the new diode

around the corresponding lead on the circuit board.4. Securely crimp each connection and solder it.5. Inspect (on the circuit board copper side) the solder joints of

the two "original" leads. If they are not shiny, reheat them and ifnecessary, apply additional solder.

Fuse and Conventional ResistorRemoval/Replacement1. Clip each fuse or resistor lead at top of the circuit board hollow

stake.2. Securely crimp the leads of replacement component around

notch at stake top.3. Solder the connections.

CAUTION: Maintain original spacing between the replacedcomponent and adjacent components and the circuit board toprevent excessive component temperatures.

Circuit Board Foil RepairExcessive heat applied to the copper foil of any printed circuitboard will weaken the adhesive that bonds the foil to the circuitboard causing the foil to separate from or "lift-off" the board. Thefollowing guidelines and procedures should be followed wheneverthis condition is encountered.

At IC ConnectionsTo repair a defective copper pattern at IC connections use thefollowing procedure to install a jumper wire on the copper patternside of the circuit board. (Use this technique only on ICconnections).

1. Carefully remove the damaged copper pattern with a sharpknife. (Remove only as much copper as absolutely necessary).

2. carefully scratch away the solder resist and acrylic coating (ifused) from the end of the remaining copper pattern.

3. Bend a small "U" in one end of a small gauge jumper wire andcarefully crimp it around the IC pin. Solder the IC connection.

4. Route the jumper wire along the path of the out-away copperpattern and let it overlap the previously scraped end of the goodcopper pattern. Solder the overlapped area and clip off anyexcess jumper wire.

At Other ConnectionsUse the following technique to repair the defective copper patternat connections other than IC Pins. This technique involves theinstallation of a jumper wire on the component side of the circuitboard.

1. Remove the defective copper pattern with a sharp knife.Remove at least 1/4 inch of copper, to ensure that a hazardouscondition will not exist if the jumper wire opens.

2. Trace along the copper pattern from both sides of the patternbreak and locate the nearest component that is directlyconnected to the affected copper pattern.

3. Connect insulated 20-gauge jumper wire from the lead of thenearest component on one side of the pattern break to the leadof the nearest component on the other side.Carefully crimp and solder the connections.CAUTION: Be sure the insulated jumper wire is dressed so theit does not touch components or sharp edges.

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

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SPECIFICATIONNOTE : Specifications and others are subject to change without notice for improvement.

4. General specificationItem Specification Remark

Broadcasting system PAL-BG, DTV:DVB-T

Available Channel 1) VHF : 00~12

2) UHF : 20~75

3) CATV : 02~44

4) DTV : 06~12, 27~69

Tuner IF 1) PAL : 38.90MHz(Picture),

34.40MHz(Sound)

2) DVB-T : 36.125MHz

Input Voltage AC 100~240V, 50/60Hz

Screen Size 42 inch Wide (1920 x 1080)

47 inch Wide (1920 x 1080)

52 inch Wide (1920 x 1080)

Aspect Ratio 16:9

Module LC420WUE-SAB1 42LG60FD-AB

LC470WUE-SAB1 47LG60FD-AB

LC420WUF-SAB1 42LG65YD-AA

LC470WUF-SAB1 47LG65YD-AC

LK520D3LZ9X 52LG65YD-AC

LC420WUF-SSA 42LG61YD-AC

LC470WUF-SAT1 47LG61YD-AC

Operating Environment 1) Temp : 0 ~ 40 deg LGE Spec

2) Humidity : ~ 80 %

Storage Environment 1) Temp : -20 ~ 60 deg

2) Humidity : ~ 85 %

1. Application rangeThis specification is applied to the LCD TV used LB81B/Cchassis.

2. Requirement for TestEach part is tested as below without special appointment.

1) Temperature : 25±5ºC (77±9ºF), CST : 40±5ºC2) Relative Humidity : 65±10%3) Power Voltage : Standard input voltage(100~240V@50/60Hz)

* Standard Voltage of each products is marked by models.4) Specification and performance of each parts are followed

each drawing and specif ication by part number inaccordance with BOM.

5) The receiver must be operated for about 20 minutes prior tothe adjustment.

3. Test method1) Performance: LGE TV test method followed 2) Demanded other specification

- Safety: CB specification- EMC: CISPR 13 specification

- 7 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

5. Chrominance & Luminance Specification5-1. 42LG65YD-AC

5-2. 47LG65YD-AC

No Item Min Typ Max Unit Remark

1. White peak brightness 400 500 cd/m2

2. Contrast ratio cd/m2 N/A

3. Brightness uniformity 70 % Full white

4. Color coordinate RED X Typ. 0.640 Typ. Color coordinate

Y -0.03 0.335 +0.03

GREEN X 0.289

Y 0.610

BLUE X 0.144

Y 0.066

WHITE X 0.279

Y 0.292

5. Color coordinate uniformity N/A

6. Contrast ratio 1000 1400 All mode execpt RGB/HDMI-PC

(With PWM Dimiming)

RGB/HDMI-PC

(Without PWM Dimining)

7. Color Distortion, DG TBD %

8. Color Distortion, DP TBD deg

9. Color S/N, AM/FM TBD dB

10. Color Killer Sensitivity TBD dBm

No Item Min Typ Max Unit Remark

1. White peak brightness 400 500 cd/m2

2. Contrast ratio cd/m2 N/A

3. Brightness uniformity 70 % Full white

4. Color coordinate RED X Typ. 0.638 Typ. Color coordinate

Y -0.03 0.335 +0.03

GREEN X 0.289

Y 0.609

BLUE X 0.145

Y 0.063

WHITE X 0.279

Y 0.292

5. Color coordinate uniformity N/A

6. Contrast ratio 900 1300 All mode execpt RGB/HDMI-PC

(With PWM Dimiming)

RGB/HDMI-PC

(Without PWM Dimining)

7. Color Distortion, DG TBD %

8. Color Distortion, DP TBD deg

9. Color S/N, AM/FM TBD dB

10. Color Killer Sensitivity TBD dBm

- 8 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

5-3. 52LG65YD-AC

No Item Min Typ Max Unit Remark

1. White peak brightness 360 450 cd/m2

2. Contrast ratio cd/m2 N/A

3. Brightness uniformity 70 % Full white

4. Color coordinate RED X Typ. 0.640 Typ. Color coordinate

Y -0.03 0.330 +0.03

GREEN X 0.280

Y 0.600

BLUE X 0.150

Y 0.060

WHITE X 0.272

Y 0.277

5. Color coordinate uniformity N/A

6. Contrast ratio All mode execpt RGB/HDMI-PC

(With PWM Dimiming)

RGB/HDMI-PC

(Without PWM Dimining)

7. Color Distortion, DG TBD %

8. Color Distortion, DP TBD deg

9. Color S/N, AM/FM TBD dB

10. Color Killer Sensitivity TBD dBm

5-4. 42LG61YD-AC

No Item Min Typ Max Unit Remark

1. White peak brightness 360 450 cd/m2

2. Contrast ratio cd/m2 N/A

3. Brightness uniformity 70 % Full white

4. Color coordinate RED X Typ. 0.640 Typ. Color coordinate

Y -0.03 0.335 +0.03

GREEN X 0.289

Y 0.610

BLUE X 0.144

Y 0.066

WHITE X 0.279

Y 0.292

5. Color coordinate uniformity N/A

6. Contrast ratio 1000 1400 All mode execpt RGB/HDMI-PC

(800) (1000) (With PWM Dimiming)

RGB/HDMI-PC

(Without PWM Dimining)

7. Color Distortion, DG TBD %

8. Color Distortion, DP TBD deg

9. Color S/N, AM/FM TBD dB

10. Color Killer Sensitivity TBD dBm

- 9 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

5-5. 47LG61YD-AC

No Item Min Typ Max Unit Remark

1. White peak brightness 360 450 cd/m2

2. Contrast ratio cd/m2 N/A

3. Brightness uniformity 70 % Full white

4. Color coordinate RED X Typ. 0.638 Typ. Color coordinate

Y -0.03 0.335 +0.03

GREEN X 0.289

Y 0.610

BLUE X 0.145

Y 0.063

WHITE X 0.279

Y 0.292

5. Color coordinate uniformity N/A

6. Contrast ratio 900 1300 All mode execpt RGB/HDMI-PC

(With PWM Dimiming)

RGB/HDMI-PC

(Without PWM Dimining)

7. Color Distortion, DG TBD %

8. Color Distortion, DP TBD deg

9. Color S/N, AM/FM TBD dB

10. Color Killer Sensitivity TBD dBm

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 10 -

7. RGB PC INPUTNo Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

1 720*400 31.468 70.08 28.321

2 640*480 31.469 59.94 25.17 VESA Input 848*480 60Hz, 852*480 60Hz

=> 640*480 60Hz Display

3 800*600 37.879 60.31 40.00 VESA

4 1024*768 48.363 60.00 65.00 VESA(XGA)

5 1280*768 47.78 59.87 79.5 WXGA

6 1360*768 47.72 59.8 84.75 WXGA

7 1366*768 47.56 59.6 84.75 WXGA

8 1280*1024 63.595 60.0 108.875 SXGA FHD Model only

9 1920*1080 66.647 59.988 138.625 WUXGA FHD Model only

6. Component Video Input (Y, CB/PB, CR/PR)

NoSpecification

RemarkResolution H-freq(kHz) V-freq(Hz)

1 720x480 15.73 59.94 SDTV, DVD 480i

2 720x480 15.75 60 SDTV, DVD 480i

3 720x480 31.47 59.94 SDTV 480p

4 720X480 31.5 60 SDTV 480p

5 720x576 15.625 50 SDTV, DVD 576i

6 720x576 31.25 50 SDTV 576p

7 1280x720 44.96 59.94 HDTV 720p

8 1280x720 45 60.36 HDTV 720p

9 1280x720 37.5 50 HDTV 720p

10 1920x1080 28.125 50 HDTV 1080i

11 1920x1080 33.75 60 HDTV 1080i

12 1920x1080 33.72 59.94 HDTV 1080i

13 1920x1080 56.25 50 HDTV 1080p

14 1920x1080 67.433 59.94 HDTV 1080p

15 1920x1080 67.5 60 HDTV 1080p

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 11 -

8. HDMI Input (PC/DTV)No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

PC

1 720*400 31.468 70.08 28.321 HDCP

2 640*480 31.469 59.94 25.17 VESA HDCP

3 800*600 37.879 60.31 40.00 VESA HDCP

4 1024*768 48.363 60.00 65.00

5 1280*768 47.78 59.87 79.5 WXGA HDCP

6 1360*768 47.72 59.8 84.75 WXGA HDCP

7 1366*768 47.56 59.6 84.75 WXGA HDCP

8 1280*1024 63.595 60.0 108.875 SXGA FHD Model only, HDCP

9 1920*1080 66.647 59.988 138.625 WUXGA FHD Model only, HDCP

DTV

1 720*480 31.47 59.94 27.00 SDTV 480P(4:3)

2 720*480 31.50 60 27.027 SDTV 480P(4:3)

3 640*480 31.469 59.94 25.175 SDTV 480P(4:3)

4 640*480 31.469 60.00 25.20 SDTV 480P(4:3)

5 720*480 31.47 59.94 27.000 SDTV 480P(16:9)

6 720*480 31.50 60.00 27.027 SDTV 480P(16:9)

7 720*576 31.25 50.00 27.000 SDTV 576P

8 1280*720 37.50 50.00 74.176 HDTV 720P HDCP

9 1280*720 44.96 59.94 74.176 HDTV 720P HDCP

10 1280*720 45.00 60.00 74.250 HDTV 720P

11 1920*1080 33.72 59.94 74.176 HDTV 1080I HDCP

12 1920*1080 33.75 60.00 74.250 HDTV 1080I HDCP

13 1920*1080 28.125 50.00 74.250 HDTV 1080I 50 Hz HDCP

14 1920*1080 27.000 24.00 74.250 HDTV 1080P 24Hz HDCP

15 1920*1080 56.250 50 148.500 HDTV 1080P 50Hz HDCP

16 1920*1080 67.433 59.94 148.352 HDTV 1080P HDCP

17 1920*1080 67.500 60 148.500 HDTV 1080P HDCP

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 12 -

ADJUSTMENT INSTRUCTION

1. Application RangeThis specification sheet is applied to all of the LCD TV withLB81C chassis.

2. Designation1) The adjustment is according to the order which is

designated and which must be followed, according to theplan which can be changed only on agreeing.

2) Power Adjustment: Free Voltage3) Magnetic Field Condition: Nil.4) Input signal Unit: Product Specification Standard5) Reserve after operation: Above 5 Minutes (Heat Run)

Temperature : at 25±5ºC Relative humidity : 65±10%Input voltage : 220V, 60Hz

6) Adjustment equipments: Color Analyzer (CA-210 or CA-110), Pattern Generator (MSPG-925L or Equivalent), DDCAdjustment Jig equipment, SVC remote controller

7) Don’t push The “IN STOP KEY” after completing thefunction inspection.

3. Main PCB check process* APC - After Manual-Insult, executing APC

* Download 1) Execute ISP program “Mstar ISP Utility” and then click

“Config” tab.2) Set as below, and then click “Auto Detect” and check “OK”

message. If display “Error”, Check connect computer, jig,and set.

3) Click “Connect” tab. If display “Can’t”, Check connectcomputer, jig, and set.

4) Click “Read” tab, and then load download file(XXXX.bin) byclicking “Read”.

5. Click “Auto” tab and set as below6. Click “Run”.7. After downloading, check “OK” message.

* USB DOWNLOAD1) Put the USB Stick to the USB socket

2) Automatically detecting update file in USB Stick- If your downloaded program version in USB Stick is Low,

it didn’t work. But your downloaded version is High, USBdata is automatically detecting

3) Show the message “Copying files from memory”

4) Updating is staring.

5) Fishing the version uploading, you have to put USB stickand “AC Power” off.

6) After putting “AC Power” on and check updated version onyour TV.

USB

(1) (3)

(2) OK

Please Check Speed :To us speed between from 200 KHzto 400 KHz

(4)

filexxx.bin

(5)

(7) ........ OK

(6)

filexxx.bin

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 13 -

* After downloading, have to adjust Tool Option again.1) Push "IN-START" key in service remote controller 2) Select "MODEL SELECT" and Push “OK” button.3) Go To “INCH” and choice proper inch.4) TV power turn off and on.5) Completed selecting Tool option

3.1. ADC Process (1) PC input ADC

1) Auto RGB Gain/Offset Adjustment- Convert to PC in Input-source- Signal equipment displays

Output Voltage : 700 mVp-pImpress Resolution XGA (1024 x 768 @ 60Hz) Model : 60 in Pattern GeneratorPattern : 65 in Pattern Generator (MSPG-925 Series,MPSG-1025D) - 7 color bar.[gray pattern that left & right is black and center iswhite signal(Refer below picture)]

- Adjust by commanding AUTO_COLOR_ADJUST.

2) Confirmation- We confirm whether “0xAA (RGB)” address of

EEPROM “0xA2” is “0xAA” or not. - If “0xAA (RGB)” address of EEPROM “0xA2” isn’t

“0xAA”, we adjust once more- We can confirm the ADC values from “0xA4~0XA9

(RGB)” addresses in a page “0xA2”

* Manual ADC process using Service Remocon. Afterenter Service Mode by pushing “ADJ” key,execute “ADC Adjust” by pushing “G” key at “ADCCALIBRATION: RGB-PC”.

(2) COMPONENT input ADC 1) Component Gain/Offset Adjustment

- Convert to Component in Input-source- Signal equipment displays

Impress Resolution 480iMODEL : 209 in Pattern Generator(480i Mode)Pattern : 65 in Pattern Generator (MSPG-925 Series,MPSG-1025D) - 7 color bar.

Impress Resolution 1080iModel : 223 in Pattern Generator(1080i Mode)Pattern: 65 in Pattern Generator (MSPG-925 Series,MPSG-1025D) - 7 color bar.

- Adjust by commanding AUTO_COLOR_ADJUST.

2) Confirmation- We confirm whether “0xB3 (480i)/0xBC (1080i)”

address of EEPROM “0xA2” is “0xAA” or not.- If “0xB3 (480i)/0xBC(1080i)” address of EEPROM

“0xA2” isn’t “0xAA”, we adjust once more.- We can confirm the ADC values from “0xAD~0XB2

(480i)/0XB6~BB (1080i)” addresses in a page “0xA2”.

* Manual ADC process using Service Remocon. Afterenter Service Mode by pushing “ADJ” key, execute “ADCAdjust” by pushing “G” key at “ADC CALIBRATION :COMPONENT”.

Impress Resolution 480i

Impress Resolution 1080i

3.2. Function Check(1) Check display and sound

- Check Input and Signal items. (cf. work instructions) 1) TV2) AV 3) COMPONENT (480i)4) RGB (PC : 1024 x 768 @ 60hz)5) HDMI6) PC Audio In * Display and Sound check is executed by Remote

controller.

<Fig. 1> Adjustment pattern(PC)

4. Total Assembly line process4.1. Adjustment Preparation

(1) W/B Equipment conditionCA210: CH 9, Test signal: Inner pattern (85IRE)

(2) Above 5 minutes H/run in the inner pattern. (“power on”key of adjust remote control)

(3) 15 Pin D-Sub Jack is connected to the AUTO W/BEQUIPMENT.

(4) Adjust Process will start by execute I2C Command (Innerpattern (0xF3, 0xFF).

(5) Adjust Process will finish by execute I2C Command (Innerpattern (Inner pattern (0xF3,0x00)).

** Caution ** Color Temperature: COOL, Medium, WarmOne of R Gain/G Gain/ B Gain should be kept on 0xC0, andadjust other two lower than C0.(when R/G/B Gain are all C0, it is the FULL Dynamic Rangeof Module)

* Manual W/B process using adjusts Remote control. - After enter Service Mode by pushing “ADJ” key,- Enter White Pattern off of service mode, and change off

---> on.- Enter “W/B ADJUST” by pushing “G” key at “3.W/B

ADJUST”.- The default value of RGB-GAIN is 192 at cool, Medium,

Warm(There is a difference between picture image and set)

* After done all adjustments, Press “In-start” button andcompare Tool option and Area option value with its BOM, if itis correctly same then unplug the AC cable.If it is not same, then correct it same with BOM and unplugAC cable.For correct it to the model’s module from factory JIG model.

* Don’t push The “IN STOP KEY” after completing the functioninspection.

4.2. DPM operation confirmation(Only Apply for MNT Model)

Check if Power LED Color and Power Consumption operateas standard. - Set Input to RGB and connect D-sub cable to set- Measurement Condition: (100-240V@ 50/60Hz)- Confirm DPM operation at the state of screen without Signal

4.3. DDC EDID Write (RGB 128Byte)- Connect D-sub signal cable to D-sub Jack.- Write EDID Data to EEPROM(24C02) by using DDC2B

protocol.- Check whether written EDID data is correct or not.

4.4. DDC EDID Write (HDMI 256Byte) In case of 2008 year new model for Australia and Taiwanwhich is developed with Mstar scaler, Manufacture gave nouse for downlad of EDID for HDMI 1/2/3/4 because HDMIEDID data is in the Application Program.

4.5. LB81C EDID Data (42LG60FD-AA, 47LG60FD-AA, 42LG65YD-AC, 47LG65YD-AA. 52LG65YD-AA, 42LG61YD-AC, 47LG61YD-AC)No USE the EDID data of Digital data(HDMI 1, 2, 3, 4) andAnalog EDID data (RGB) As EDID data is recorded in theMstar (Main IC).

4.5.1 Analog data 128Byte(2Bi) - Not USE

EDID block 0, Bytes 0-127[00H-7FH]Block Type : EDID 1.3

4.5.2 Digital data(HDMI-1) 256Byte

EDID block 0, Bytes 0-127[00H-7FH]Block Type : EDID 1.3

- 14 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Color Cool 11,000 ºK X=0.276(±0.002) <Test Signal>

Temperature Y=0.283(±0.002) Inner patern

Medium 9,300 ºK X=0.285(±0.002) (216gray,85IRE)

Y=0.293(±0.002)

Warm 6,500 ºK X=0.313(±0.002)

Y=0.329(±0.002)

0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D FB 9C 01 01 01 0110 0A 12 01 03 01 46 27 78 EA D9 B0 A3 57 49 9C 2520 11 49 4B A5 4E 00 31 40 45 40 61 40 81 80 01 0130 01 01 D1 C0 01 01 1A 36 80 A0 70 38 1F 40 30 2040 35 00 E8 26 32 00 00 1A 1B 21 50 A0 51 00 1E 3050 48 88 35 00 BC 86 21 00 00 1C 00 00 00 FD 00 3960 4B 1F 54 12 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 E4

0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D F 9C 01 01 01 0110 0A 12 01 03 80 46 27 78 EA D9 B0 A3 57 49 9C 2520 11 49 4B A1 0C 00 31 40 45 40 61 40 81 80 01 0130 01 01 D1 C0 01 01 1A 36 80 A0 70 38 1F 40 30 2040 35 00 E8 26 32 00 00 1A 1B 21 50 A0 51 00 1E 3050 48 88 35 00 BC 86 21 00 00 1C 00 00 00 FD 00 3960 4B 1F 54 12 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 A9

0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 23 F1 4E 81 02 03 15 12 13 04 14 05 20 2110 22 1F 10 23 15 07 50 83 01 00 00 67 03 0C 00 1020 00 B8 2D 01 1D 00 80 51 D0 1C 20 40 80 35 00 BC30 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 9640 00 13 8E 21 00 00 18 02 3A 80 18 71 38 2D 40 5850 2C 45 00 06 44 21 00 00 1E 01 1D 80 18 71 1C 1660 20 58 2C 25 00 C4 8E 21 00 00 9E 4E 1F 00 80 5170 00 1E 30 40 80 37 00 BC 88 21 00 00 18 00 00 DF

4.5.3 Digital data(HDMI-2) 256Byte - Not USEEDID Block 0, Byte 0-127[00H-7FH]Block Type : EDID 1.3

EDID block 1, Bytes 128-255[80H- FFH]Block Type : CEA EDID Timing Extension Version 3.

4.5.4 Digital data(HDMI-3) 256Byte - Not USEEDID Block 0, Byte 0-127[00H-7FH]Block Type : EDID 1.3

EDID block 1, Bytes 128-255[80H- FFH]Block Type : CEA EDID Timing Extension Version 3.

4.5.5 Digital data(HDMI-4) 256Byte - Not USEEDID Block 0, Byte 0-127[00H-7FH]Block Type : EDID 1.3

EDID block 1, Bytes 128-255[80H- FFH]Block Type : CEA EDID Timing Extension Version 3.

1) All Data : HEXA Value2) Changeable Data :

*: Serial No : Controlled / Data:01**: Month : Controlled / Data:00***:Year : Controlled****:Check sum

- 15 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D FC 9C 01 01 01 01

10 0A 12 01 03 80 46 27 78 EA D9 B0 A3 57 49 9C 2520 11 49 4B A1 0C 00 31 40 45 40 61 40 81 80 01 0130 01 01 D1 C0 01 01 1A 36 80 A0 70 38 1F 40 30 2040 35 00 E8 26 32 00 00 1A 1B 21 50 A0 51 00 1E 3050 48 88 35 00 BC 86 21 00 00 1C 00 00 00 FD 00 3960 4B 1F 54 12 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 A9

0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 23 F1 4E 81 02 03 15 12 13 04 14 05 20 21

10 22 1F 10 23 15 07 50 83 01 00 00 67 03 0C 00 2020 00 B0 2D 01 1D 00 80 51 D0 1C 20 40 80 35 00 BC30 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 9640 00 13 8E 21 00 00 18 02 3A 80 18 71 38 2D 40 5850 2C 45 00 06 44 21 00 00 1E 01 1D 80 18 71 1C 1660 20 58 2C 25 00 C4 8E 21 00 00 9E 4E 1F 00 80 5170 00 1E 30 40 80 37 00 BC 88 21 00 00 18 00 00 CF

0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D FC 9C 01 01 01 01

10 0A 12 01 03 80 46 27 78 EA D9 B0 A3 57 49 9C 2520 11 49 4B A1 0C 00 31 40 45 40 61 40 81 80 01 0130 01 01 D1 C0 01 01 1A 36 80 A0 70 38 1F 40 30 2040 35 00 E8 26 32 00 00 1A 1B 21 50 A0 51 00 1E 3050 48 88 35 00 BC 86 21 00 00 1C 00 00 00 FD 00 3960 4B 1F 54 12 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 A9

0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 23 F1 4E 81 02 03 15 12 13 04 14 05 20 21

10 22 1F 10 23 15 07 50 83 01 00 00 67 03 0C 00 3020 00 B0 2D 01 1D 00 80 51 D0 1C 20 40 80 35 00 BC30 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 9640 00 13 8E 21 00 00 18 02 3A 80 18 71 38 2D 40 5850 2C 45 00 06 44 21 00 00 1E 01 1D 80 18 71 1C 1660 20 58 2C 25 00 C4 8E 21 00 00 9E 4E 1F 00 80 5170 00 1E 30 40 80 37 00 BC 88 21 00 00 18 00 00 BF

0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D FC 9C 01 01 01 0110 0A 12 01 03 80 46 27 78 EA D9 B0 A3 57 49 9C 2520 11 49 4B A1 0C 00 31 40 45 40 61 40 81 80 01 0130 01 01 D1 C0 01 01 1A 36 80 A0 70 38 1F 40 30 2040 35 00 E8 15 21 00 00 1A 1B 21 50 A0 51 00 1E 3050 48 88 35 00 BC 86 21 00 00 1C 00 00 00 FD 00 3960 4B 1F 54 12 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 A9

0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 23 F1 4E 81 02 03 15 12 13 04 14 05 20 2110 22 1F 10 23 15 07 50 83 01 00 00 67 03 0C 00 4020 00 B8 2D 01 1D 00 80 51 D0 1C 20 40 80 35 00 BC30 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 9640 00 13 8E 21 00 00 18 02 3A 80 18 71 38 2D 40 5850 2C 45 00 06 44 21 00 00 1E 01 1D 80 18 71 1C 1660 20 58 1C 14 00 C4 8E 21 00 00 9E 4E 1F 00 80 5170 00 1E 30 40 80 37 00 BC 88 21 00 00 18 00 00 AF

4.6. HDCP (High-Bandwidth Digital Contents Protection)

SETTING (Scaler : Mstar)Because HDCP keyis built in HDCP exclusive EEPROM,Download progress is not needed.

HDCP-KEY0:0x8089 38 AE 0D ED 40 E6 BB FA 4E DE 51 FB 8E D9 AA34 A8 C4 EA D8 6C DC 5C 91 5C B1 A6 13 2B 8B 8BF7 46 CC 1C 88 20 A3 27 0E E1 28 84 89 39 A3 E236 86 CE 67 EB A0 F2 35 6B 86 F5 21 71 95 8A 77A1 28 77 97 D3 7B EF 5C 15 48 AA 9E 97 39 CD 9840 5E 68 56 66 EF C1 3C E1 8F 2A 82 DE 8F 52 CCA8 1F 37 D9 D4 C6 24 16 7E 42 FF 57 CD 6B E0 8600 1A F1 19 5A AF 37 97 86 BA 83 29 FE 41 A8 D5

A1:0x00F4 73 43 03 23 22 C5 28 96 9E 35 0D 67 A8 8B DD7A 89 38 E0 94 F0 FF F5 8F F3 4E 5C 82 09 F3 97EB 01 52 EC D8 98 5C 4F 43 2E E7 9F F5 85 6D 15B1 83 20 F8 5E D0 33 4F F0 C1 8F 65 77 3D 31 B2FB A1 6E CA A6 D3 A2 35 1D 16 41 C3 89 86 98 788E 3E C1 64 01 79 05 21 47 AF 6A 6F 5B E1 4D 2B2F CC 18 8E 42 DC 9A F8 3C D0 D0 57 04 FB 14 428C 54 9D A9 06 EB E7 48 E2 29 EF 7E FD F6 45 12AC E4 BC 45 67 A3 9B 65 A1 0E ED 1A 84 AD 49 87A2 77 3F 11 A7 1B D1 7F 25 36 6C 6F D3 DF 25 D0FB

4.7 Outgoing condition Configuration- fffff and make ship condition- When pressing IN-STOP key by Service remocontrol, Red

LED are blinked alternatively. And then Automatically turnoff. (Must not AC power OFF during blinking)

4.8 Internal pressureConfirm whether is normal or not when between powerboard's ac block and GND is impacked on 1.5kV(dc) or2.2kV(dc) for one second

5. Adjustment Command

5.1. I2C(100K BPS)5.2. COMMUNICATION START

# Until ACK BIT goes LOW, Repeat it.

5.3. Command formCommand form use DDC2AB standard communicationprotocol.

a. LEN : DATA BYTE number to sendb. CMD : Command language theat monitor executes.c. VAL : FOS DATAd. CS : Dada’s CHECKSUM that transmite. DELAY : 50Msf. A : Acknowledge

- 16 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

START 6E A STOP 50Ms

START 6E A 50 A A A A A A A30 00 CS STOPLEN CMD VAL

5.4. Adjustment Commands(LENGTH=84) 5.5. EEPROM DATA READ(1) Signal TABLE

(2) Command Set

* Purpose : To read(84h) the appointment Address ofE2PROM by 128(80h)-byte

5.6. E2PROM Data Write(1) Signal TABLE

LEN : 84h+BytesCMD : 8EhADH : E2PROM Slave Address(A0,A2,A4,A6,A8), Not 00h

(Reserved by Buffer To EEPROM)ADL : E2PROM Sub Address(00~FF)Data : Write data

(2) Command Set

* Purpose1) EDID write : 16-byte by 16-byte, 8 order (128-byte)

write(TO “00 – 7F” of “EEPROM Page A4”).2) FOS Default write : 16-mode data (HFh, HFl, VF, STD,

HP, VP, Clk, ClkPh, PhFine) write3) Random Data write : write the appointment Address of

E2PROM.

5.7. VRAM Read- Send CMD(70h) to read Video RAM value from MICOM And

save its value to 128-Bytes Buffer(Common Buffer for theuse of EDID)

- Delay 500ms (Time to Wait and Read Video RAM from

MICOM)- Be transmitted the contents of MICOM’s 128-bytes Buffer to

PC. (128th Data is the CheckSum of 127-bytes data : That’s OK if the value of adding 128-bytes Data is Zero)

- 17 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Adjustment Contents CMD(hex) ADR VAL[HEX] Description

FACTORY ON E0 00 00 Factory mode on

FACTORY OFF E2 00 00 Factory mode off

EEPROM ALL INIT. E4 00 00 EEPROM All clear

EEPROM Read E7 00 00 EEPROM Read

EEPROM Write E8 00 data EEPROM Write by

some values

COLOR SAVE EB 00 00 Color Save

(R/G/B cutoff, Drive,

Contrast, Bright)

H POSITION 20 00 00 – 64 They have different

V POSITION 30 00 00 – 64 range each mode,

CLOCK 90 00 00 – 64 FOS Adjustment

PHASE 92 00 00 – 64

R DRIVE 16 00:cool 00 – 80 Drive adjustment

01:medium

02:warm

G DRIVE 18 00 :cool 00 – 80

01:medium

02:warm

B DRIVE 1A 00:cool 00 – 80

01:medium

02:warm

R CUTOFF 80 00 00 – 7F Offset adjustment

G CUTOFF 82 00 00 – 7F

B CUTOFF 84 00 00 – 7F

BRIGHT 10 00 00 – 3F Bright adjustment

CONTRAST 12 00 00 - 64 Luminance adjustment

AUTO_COLOR_ F1 00 02 Auto COLOR

ADJUST Adjustment

CHANGE_COLOR_ F2 00 0,1,2,3 0: Cool

TEMP 1: Medium

2: Warm

3: User

White Pattern F3 00 00,FF 00: White pattern off

FF: White pattern on

AUTO_ F4 00 0,10,20,30, 0 : TV

INPUTCHANGE 40,60,90 10 : DTV

20 : SCART1

30 : SCART2

40 : Component

60 : RGB

90 : HDMI

128 Bytes

Delay 100ms

EEPROM READ E7 A0 0 0-Page 0~7F Read

80 0-Page 80~FF Read

A2 0 1-Page 0~7F Read

80 1-Page 80~FF Read

A4 0 2-Page 0~7F Read

80 2-Page 80~FF Read

A6 0 3-Page 0~7F Read

80 3-Page 80~FF Read

Adjustment item CMD(hex) ADH(hex) ADL(hex) Details

EEPROM WRITE E8 94 16-Byte Write

84+n n-byte Write

Adjustment item CMD(hex) LEN Remark

70 00 00

6F A AData 1START Data 128 STOPNACS...

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 18 -

1. TV/CATV doesn’t display

2. DTV doesn’t display

TROUBLESHOOTING

Check TU401 Pin15(Video output), Pin16(Sound output)

Can you see the normal sign al?

Check th e output of TR(Q503).Can you see the normal waveform?

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

YES

NO Could you measu re voltag e of TU800 & IIC lines?

Are they all normal?

YES

NO You should ch eck p ower lin e & IIC li nes.

YES

You should rep lace TUNER.

NOYou should decid e to rep lace TR(Q503) or not.

NOAfter ch eckin g the Power of Main IC(IC100) you

should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

Check th e output data o f TU800 Pin 24~34Can you see the normal sign al?

NO Could you measu re voltag e of TU800 & IIC lines?

Are they all normal?

NO You should ch eck p ower lin e & IIC li nes.

YES

You should rep lace TUNER.YES

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

NO After ch eckin g the Power of Main IC(IC100) you should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 19 -

3. AV 1/2/3 doesn’t display

Check J6 00,J600,JK607,JK618Can you see the normal waveform?

Check th e input o f Video switch (IC700).Can you see the normal waveform?

YES

NOJ600,J601 or SIDE AV may have problem.

Replace th is Jack o r SIDE AV.

NOAfter ch eckin g the Power of AV switch you should decide to replace AV switch or not.

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

NO After ch eckin g the Power of Main IC(IC100) you should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

YES

4. Component doesn’t display

Check J7 01.Can you see the normal waveform?

Check th e input o f Compo nent Audio switch (IC1001) ,

Can you see the normal waveform?

Check th e output of Component Audio switch (IC1001) ,

Can you see the normal waveform?

YES

YES

YES

NOJ701

may have problem. Rep lace th is Jack.

NO After checking the Power of compone nt Audio switch, y ou should decide to replace component

Audio s witch or not.

NO After checking the Power of compone nt Audio switch y ou should decide to replace component

Audio s witch or not.

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

NO After ch eckin g the Power of Main IC(IC100) you should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 20 -

5. RGB PC doesn’t display

Check J7 03 ,Can you see the normal waveform?

Check th e input o f RGB Audio switch (IC1001) ,

Can you see the normal waveform?

Check th e output of RGB Audio switch (IC1001) ,

Can you see the normal waveform?

YES

YES

YES

NOJ703

may have problem. Rep lace th is Jack.

NO After ch eckin g the Power of RGB Audio sw itc h, you should decide to replace RGB Audio s witch

or not.

NO After ch eckin g the Power of RGB Audio sw itc h you should decide to replace RGB Audio s witch

or not.

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

NO After ch eckin g the Power of Main IC(IC100) you should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

Check th e input o f RGB Video switch (IC700) ,

Can you see the normal waveform?

NO After ch eckin g the Power of RGB Vid eo switc h, you should decide to replace RGB Video switch

or not.

YES

- 21 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

6. HDMI doesn’t display

Check input c onnect J900 , J901, J902Can you see the normal waveform?

Check DDC commu nication lin es(IC900, IC901, IC903 Pin5,6)

Check th e input o f HDMI Seitch (IC902)This sign al is TMDS.

Can you see the normal waveform?

YES

YES

NOJ900 , J901, J902

may have problem. Rep lace th is Jack.

Check th e output of HDMI Switc h(IC902).Can you see the normal waveform?

YES

YES

NO

After ch eckin g the trace o f TMDS lin es and power of HDMI Switch, you should decide to replace HDMI

Switch or not .

NO

NO

After ch eckin g the Power of th is ch ip , you should decide to replace this or not.

After ch eckin g the Power of HDMI Switch y ou should decide to replace MST3361 or not.

YES

Check HDCP commu nicatio n lin es(IC902)

NOAfter ch eckin g the Power of th is ch ip , you

should decide to replace this or not.

Check th e output of Main IC(IC100).Especially you should check

The H,V sync and c lock.Can you see the normal waveform?

YES

NO After ch eckin g the Power of Main IC(IC100) you should decide to replace Main IC or not .

This bo ard has b ig problem because Main IC(IC100) have some troubles.

After checking thoro ugh ly all pa th onc e again, You should decid e to rep lace Main Board or not.

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 22 -

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20îB

CM

: $2

023

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M :

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B3

: $1

223

îBB

3 :

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Pow

er

Cha

nged

32K

512K

TU

_TS

_DA

TA

[0]

2.5V

TS

1_D

0

SC

L_A

_TU

SD

A_A

_TU V

ideo

SW

(IC

500,

S

TM

AV

340)

Com

p_1

YP

bPr

Com

p_2

YP

bPr

Com

p_Y

Com

p_P

b

Com

p_P

r

3 3

HY

5DU

5616

22(D

DR

)

HY

5DU

5616

22(D

DR

)

2.5_

DD

R

HY

5DU

5616

22(D

DR

)

HY

5DU

5616

22(D

DR

)

- 23 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Sid

e A

V_3

V,L

R

Rea

r C

VB

S_1

V, L

R

Sid

e S

_3Y

C

MN

T_V

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IN3

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T1

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LR

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r A

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V, L

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AL

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er

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VS

-H70

2P)

LG In

note

k

M-S

TA

R(M

ST

2379

A/L

GE

7363

C)

$4.6

6

D-A

MP

(NT

P30

00)

0IP

RP

TI0

30B

LVD

S(8

Bit)

CLK

_14.

3L6A

F62

12A

A20

04F

CV

BS

(AT

V)

$0.8

6

$0.0

623

Aud

io_L

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io_R

SIF

IN2

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p1

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le :

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ug)

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de)

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r

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fer

[11]

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103]

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]S

CL[

49]

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CL

MS

DA

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LM1[

59]

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AM

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CLK

[46]

TP

SO

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4]T

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ALI

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[95]

TS

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NC

[105

]T

SV

ALI

D[1

04]

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56] O

UT

[255

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2

3.3V

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[42]

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OU

T_P

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]O

UT

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[14]

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5]O

UT

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[29]

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[5]

HP

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7]

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TE

[6]

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UT

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9]G

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5]

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194-

199]

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]GIN

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RX

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A/T

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4]D

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ET

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UR

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3[76

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IN3[

75]

PB

_IN

[11]

SO

Y[1

3]Y

_IN

[14]

PR

_IN

[16]

AU

L_IN

1[70

]A

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_IN

1[71

]

CV

BS

1[30

]A

UL_

IN0[

68]

AU

R_I

N[6

9]

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_C0[

25]

SV

_Y0[

26]

GP

IO15

[48]

6630

G70

016A

$0.2

3975

6630

G70

017A

$0.2

1984

6612

F00

099A

$0.2

7617

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099A

$0.2

7617

EA

G31

0220

01$0

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6612

J100

31A

$0.2

5744

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Rx

(IC

L32

32)

0IP

RP

0000

9A0I

MX

2321

62A

$0.3

2$0

.4

ST

-5V

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Out

Rx_

In

R23

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x

R23

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PR

OM

0IM

MR

0001

4A$0

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DD

C_S

DA

DD

C_S

CL

IR_R

X[5

7]S

AR

0[20

1]S

AR

1[20

2]S

AR

2[20

3]S

AR

3[20

4]

EE

PR

OM

(32K

)24

C32

EE

PR

OM

(32K

)24

C32

0IM

MR

AL

025A

RO

MS

CK

[35]

RO

MS

D[3

6]5V

$0.1

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$0.7

6

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sh(1

6M

)S

ST

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6B

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sh(1

6M

)S

ST

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F01

6B

SP

I_C

K[1

71]

SP

I_D

I[172

]S

PI_

DO

[173

]S

PI_

CZ

[174

]

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N32

2134

01

$0.6

7

3.3V

KE

Y_C

TL[

1,2,

3]

MP

1593

DN

-LF

0IP

MG

0006

3A

$0.4

6

12V

5V

Po

wer

/LIP

SP

ow

er/L

IPS

Pow

er

Cha

nged

32K

512K

SIF

HY

5DU

5616

22(D

DR

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HY

5DU

5616

22(D

DR

)

2.5_

DD

R

HY

5DU

5616

22(D

DR

)

HY

5DU

5616

22(D

DR

)

- 24 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

MS

D23

79A

[MS

TA

R]

DD

C_I

2C

E2P

ROM

_I2C

E2P

ROM

ED

ID /

ISP

I2C

MSC

L / M

SDA

IF_P

IF_N

SIF

TU

NE

R_C

VBS

IF_A

GC

Buf

fer

Buf

fer

LPF

TS

[0-7

]

TS_

CLK

TS_

SY

NC

TS_

VA

LID

I2C

MSC

L /

MS

DA

MA

IN I2

C

CV

BS_

0

SIF

TS_

DA

TA

Add

sy

nc p

atte

rn o

f ea

ch in

put/o

utpu

t

Add

det

ail

bloc

k di

agra

m o

f VS

B

- 25 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

MS

D23

79A

[MS

TA

R]

DD

C_I

2C

E2P

ROM

_I2C

E2P

ROM

ED

ID /

ISP

TU

NE

R S

CL

/ SD

A

IF_P

IF_N

SIF

TU

NE

R_C

VBS

IF_A

GC

Buf

fer

Buf

fer

LPF

TS

[0-7

]

TS_

CLK

TS_

SY

NC

TS_

VA

LID

I2C

MSC

L /

MS

DA

MA

IN I2

C

CV

BS_

0

SIF

TS_

DA

TA

Add

sy

nc p

atte

rn o

f ea

ch in

put/o

utpu

t

Add

det

ail

bloc

k di

agra

m o

f VS

B

- 26 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Sig

nal V

ideo A

V

S-V

ideo

AT

_TU

_V

Y/C

b/C

r_IN

Y/C

IN

CV

BS1

CV

BS0

CV

BS1

MS

tar

[MS

D23

79A

](F

rom

Tun

er)

SV

IDE

O (

Y/C

)

Com

pone

nt (

Y/C

b/C

r )

RG

BR

GB_

IN

Com

pone

nt

RG

B

LGDT

3303

LG

DT33

03

TS

Dat

aD

TV

_IN

Add

sy

nc p

atte

rn o

f ea

ch in

put/o

utpu

t

Add

det

ail

bloc

k di

agra

m o

f ea

ch V

ideo

inp

ut

- 27 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

NTP

3000

MS

D23

79A

[MS

TA

R]

SPE

AK

ER

O

utpu

t

SIF

TS_

DA

TA

AU

_OU

T0_

L/R

AV

1_L

/R

CO

MPO

NEN

T_L

/R

DSU

B R

GB

_L/R

Add

sy

nc p

atte

rn o

f ea

ch in

put/o

utpu

t

Add

det

ail

bloc

k di

agra

m o

f ea

ch A

udio

inpu

t

- 28 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

M-S

TA

R[M

SD

2379

A]

IR Loca

lK

ey

57 IR IN

SA

R is

low

spe

ed 6

-Bits

AD

C in

pu

t an

d a

lso

for

GP

IO fu

nctio

n u

se.

Th

e I/O

tole

ranc

e is

3.3

V m

axim

um fo

r us

e.

Th

e ap

plic

atio

n of

A/

D k

ey, t

he

conv

ersi

on v

olta

ge fo

r fu

ll s

cale

of M

SD

1226

L is

1.8

V.

201

SA

R0

202

SA

R1

KE

Y_C

TL_

0

KE

Y_C

TL_

1

- 29 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Sou

nd A

mp

YD

A13

8

MS

D12

26L

VD

DC

AV

DD

_AD

CA

VD

D_S

IFA

VD

D_A

UA

VD

D_M

emP

LLA

VD

D_X

TA

LV

DD

_LP

LL

VD

DP

VD

DQ LG

DT

3303

VD

DA

VD

D

Vdd

33av

dd33

1 2 3 4 5 6 7 8 9 10 11 12

15V

15V

GN

D

5V AC

D

PW

R_O

N

INV

_CT

L

DIM

INV

_BR

6.3V

GN

D

5V

1 2 3 4 5 6 7 8 9 10 11

15V

15V

GN

D

5V NC

INV

_CT

L

DIM

INV

_BR

GN

D

5V GN

D

IC80

0M

P15

83D

N-Z

12V

Sou

nd M

ute

12V

Opt

ion

Pan

nel

23î

Out

put

Cur

ren

t : 3

AIn

put

: 4.

75V

to 2

3VO

utp

ut

: 1.

22V

to 2

1V

0.6A

0.4A

TU

NE

RIC

800

MP

1583

DN

-Z5V

12V

$0.4

6

265m

A

IC80

7K

IA78

R05

F

Out

put

Cur

ren

t : 1

AIn

put

: 7V

(Max

35V

)O

utp

ut :

5V$0.1

7

IC80

3A

Z11

17H

-3.3

V

IC80

4A

Z11

17H

-3.3

V

ST

_3.3

V

ST

_3.3

V

Fla

sh M

emor

yM

X25

L160

5AM

2C

SD

RA

MH

Y57

V64

1620

ET

P

IC80

2K

D10

84A

DT

-R

ST

_1.8

V

IR

IC80

6A

Z11

17H

-1.8

IC80

5A

Z11

17H

-3.3

1.8V

3.3V

Pan

nel

20î

FE

T52

03

0.4A

EE

PR

OM

AT

24C

32A

N

EE

PR

OM

AT

24C

02B

N

Out

put

Cur

ren

t : 1

A

Out

put

Cur

ren

t : 1

A

Out

put

Cur

ren

t : 5

A

Out

put

Cur

ren

t : 0

.6A

Out

put

Cur

ren

t : 0

.6A

274.

6mA

465m

A

72.4

mA

148.

8mA

570m

A

248m

A

800m

A

- 30 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Sou

nd A

mp

YD

A13

8

MS

D12

26L

VD

DC

AV

DD

_AD

CA

VD

D_S

IFA

VD

D_A

UA

VD

D_M

emP

LLA

VD

D_X

TA

LV

DD

_LP

LL

VD

DP

VD

DQ

MS

D80

9V

DD

VD

D

1 2 3 4 5 6 7 8 9 10 11 12

15V

15V

GN

D

5V AC

D

PW

R_O

N

INV

_CT

L

DIM

INV

_BR

6.3V

GN

D

5V

1 2 3 4 5 6 7 8 9 10 11

15V

15V

GN

D

5V NC

INV

_CT

L

DIM

INV

_BR

GN

D

5V GN

D

IC80

0M

P15

83D

N-Z

12V

Sou

nd M

ute

12V

Opt

ion

Pan

nel

23î

Out

put

Cur

ren

t : 3

AIn

put

: 4.

75V

to 2

3VO

utp

ut

: 1.

22V

to 2

1V

0.6A

0.4A

TU

NE

RIC

800

MP

1583

DN

-Z5V

12V

$0.4

6

265m

A

IC80

7K

IA78

R05

F

Out

put

Cur

ren

t : 1

AIn

put

: 7V

(Max

35V

)O

utp

ut :

5V$0.1

7

IC80

3A

Z11

17H

-3.3

V

IC80

4A

Z11

17H

-3.3

V

ST

_3.3

V

ST

_3.3

V

Fla

sh M

emor

yM

X25

L160

5AM

2C

SD

RA

MH

Y57

V64

1620

ET

P

IC80

2K

D10

84A

DT

-R

ST

_1.8

V

IR

IC80

7A

Z11

17H

-1.2

IC80

5A

Z11

17H

-3.3

1.2V

3.3V

Pan

nel

20î

FE

T52

03

0.4A

EE

PR

OM

AT

24C

32A

N

EE

PR

OM

AT

24C

02B

N

Out

put

Cur

ren

t : 1

A

Out

put

Cur

ren

t : 1

A

Out

put

Cur

ren

t : 5

A

Out

put

Cur

ren

t : 0

.6A

Out

put

Cur

ren

t : 0

.6A

274.

6mA

465m

A

72.4

mA

148.

8mA

570m

A

248m

A

800m

A

- 31 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

AT

SC

/NT

SC

TU

NE

R

I2C

MS

D12

26L

SC

LM1[

59]

LGD

T33

03

3.3V

IIC

I2C

_SD

AI2

C_S

CL

SD

A[5

]

SC

L[6]

SD

AM

1[60

]M

SC

LM

SD

A

SC

L[48

]S

DA

[49]

5V II

C

DD

C_S

CK

[33]

DD

C_S

D[3

4]S

CL/

RX

SD

A/T

X

VG

A_R

XV

GA

_TX

EE

PR

OM

24C

32

DD

C_R

OM

SC

K[3

5]D

DC

_RO

MS

D[3

6]

RO

MS

CK

RO

MS

D

FLA

SH

S

ST

25V

F01

6B

SP

I_C

KS

PI_

DI

SP

I_D

OS

PI_

CZ

SP

I_C

K[1

71]

SP

I_D

I[172

]S

PI_

DO

[173

]S

PI_

CZ

[174

]

VG

AD

-SU

B

VG

AD

-SU

B

EE

PR

OM

24C

21A

DD

C_S

CL

DD

C_D

SA

UA

TX

1[55

]U

AR

X1[

56]

SD

RA

M4M

*16B

it

SD

RA

M4M

*16B

it

SD

RA

M4M

*16B

it

M2_

CK

EM

2_M

CLK

M2_

A[0

:11]

M2_

DQ

[0:1

5]M

2_D

QM

0M

2_D

QM

1C

KE

MC

LK

AR

[0:1

1]M

DA

TA

[0:1

5]D

QM

0D

QM

1C

KE

MC

LK

AR

[0:1

1]M

DA

TA

[16:

31]

DQ

M0

DQ

M1

Deb

ug

Por

t

RX

D

TX

D

GN

D

5V

- 32 - LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

Mst

ar

[MS

D12

26L

]

AT

SC

/NT

SC

Tu

ner

LGD

T 3

303

MS

CL/

MS

DA

I2C

_5V

4.7K5V

ST

NV

RA

M

I2C

Add

ress

0xC

2

0x1C

Mst

ar

[MS

D12

26L

]M

X25

L160

5[S

eria

l Fla

sh]

SC

K

SD

I

SD

O

CS

Z

SP

I_C

K

SP

I_D

I

SP

I_D

O

SP

I_C

SZ

SC

LK

SI

SO

CS

#

4.7K+3.

3V

DD

C_R

OM

SC

L/S

DA

0xA

0

LGE Internal Use OnlyCopyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 33 -

MEMO

300

200

801

400

900

540

530

810

120

500

570

121

56051

080

380

4

840

520

521

830

805

802

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These partsare identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommendedin this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These partsare identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommendedin this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These partsare identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommendedin this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These partsare identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommendedin this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

MS_LRCK

008:H16

LED_G

010:E8

SDA_EYEQ/AMP

008:H16;007:AD7;010:O14

R1056

100

C139

0.047uF

C147

0.1uF

R1078

100

C146

0.1uF

C101

10uF

16V

3216

C117

0.047uF

R1051

47

RS232C_TXD

C145

0.1uF

C126

2.2uF

16V

R1005

1M

+3.3V_VDDP_ST

C116

0.047uF

SIDE_L_IN

R1045

100

C144

0.1uF

R1117

4.7K

SIDE_C_IN

R1062

47

HDMI_RX1-

R1107

22

C140

0.047uF

BOOSTER

R1057

3.3K

OPT

R1106

100

R1075

100

MUTE

008:S16

R1090

100

C131

2.2uF

16V

R1082

1K

OPT

HDMI_RX2-

R1093

100

C127

2.2uF

16V

PANEL_CTL

SPI_SCK

AC_DET

SCL_A_TU

KEY2

010:H13

HDMI_RX0+

A_DIM

001:B6;009:H14

C114

0.047uF

HDMI_RX0-

SYSTEM_SDA

001:S5;001:AB11

LED_R

010:E7

EYEQ_RESET

010:P9

R1097

100

HDMI_CLK+

TU_RESET_N

004:J11

R1003

22K

R1102

100

R1068

100

R1055

100

Flash_WP_1

001:AC18

5V_HDMI_2

R1027

47

C130

2.2uF

16V

R1037

47

R1047

100

DSUB_G

R1111 0

R1052

10K

OPT

R1086

100

C141

0.047uF

R1067

22

R1028

47

R1069

100

R1079

100

DSUB_B

X100

12MHz

USB_CTL

006:AE24

R1095

100

HDMI_SDA

007:AG24

R1063

47

R1073

100

C125

2.2uF

16V

PC_L_IN

C151

0.1uF

SCL_EYEQ/AMP

R1018

10K

R1101

100

+3.3V_AVDD_DVI

009:AB11

R1108

100OPT

R1074

100

MS_SCK

008:H16

R1016

1K

R1024

0

R1032

47

A_DIM

001:G12;009:H14

C120

0.047uF

C123

0.1uF

R1064

100

R1060

100

C106

4.7uF

16V

3216

C115

0.047uF

R1017

10K

OPT

+5V_ST

C124

2.2uF

16V

R1042

47

R1119

100

R1070

22

R1096

100

C135

0.047uF

R1015

1K

OPT

INV_CTL

009:H14;009:K17

R1058

100

R1066

100

C137

0.047uF

C121

0.047uF

C109

1uF

25V

R1080

22

R1116

4.7K

SPI_SDI

PWM_LED

001:G12;010:P10

SIF+

R1110

3.3K

OPT

COMP_Pr 005:M17

R1092

100

DDC_SDA/UART_TX

SPDIF_OUT

008:C27

R1030

47

C119

0.047uF

R1033

47

C129

2.2uF

16V

AUDIO_MASTER_CLK

008:H22

R1009

0

R1054

100

R1038

470

R1109

100

SPI_SDO

COMP_Y

R1072

100

+3.3V_VDDP_ST

EEPROM_WP

R1115

0

COMP_R

5V_HDMI_3

R1100

100

DSUB_VSYNC

HDMI_RX1+

007:AI23

C128

2.2uF

16V

R1022

100

SYSTEM_SCL

001:H28;001:AB11

PWM_DIM

009:D13

DSUB_HSYNC

005:R16

IR

010:H10

DDC_SCL/UART_RX

005:AB18

C138

1000pF

SDA_A_TU

004:K16;004:L3;004:R8

R1050

910

1%

R1046

100

RL_ON

009:B5;009:E16

R1004 0

2012

R1094

100

R1040

470

RS232C_RXD

006:M22

R1012

1K

OPT

HDMI_CLK-

007:AG23

HDMI_SCL

C148

0.047uF

R1059

100

R1114

0

OPT

R1104

100

C149

0.047uF

SYSTEM_SDA

001:H28;001:AB11

R1077

100

KEY1

010:H14

IC103

AT24C512W-10SI-2.7

3NC

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

R1081

22

PWM_LED

001:B6;010:P10

R1088

100

SIDE_CVBS_IN

R1084

100

AMP_RST

008:H22

PC_R_IN

SPI_CSN_2

001:W15

DSUB_R

MODULE_SEL

001:J6

C118

0.047uF

+3.3V_VDDP_ST

MS_LRCH

008:H17

+3.3V_VDDP_ST

R1035

100

R1061

47

R1002

22K

R1083

100

Flash_WP_2

001:AD15

SDA_D_TU

SCL_D_TU

003:M14;004:H13;001:AB5;001:AM5

R1021

100

COMP_L

C104

0.01uF

R1039

47

C122

0.1uF

R1118

100

R1043

47

R1112

0

HDMI_CEC

COMP_SEL

005:L18;008:E6;008:O10

R1034

47

R1113

0

OPT

R1031

47

R1023

0

R1065

100

USB_DM

R1085

22

USB_DP

006:X25

SIDE_R_IN

R1041

47

C150

0.047uF

R1011

1K

HPD

007:AF24

R1048

100

R1071

100

R1029

475V_MNT

009:J15

R1044

47

SYSTEM_SCL

C142

0.047uF

SPI_CSN_1

001:X18

C102

0.1uF

50V

COMP_Pb

R1105

100

OPT

TV_CVBS+

HDMI_RX2+

5V_HDMI_1

SIDE_Y_IN

MODULE_SEL

001:J12

C136

1000pF

C105

0.01uF

Q100

2SC3052

E

B

C

+3.3V_VDDP_ST

C143

22pF

50V

OPT

C134

22pF

50V

OPT

C113

22pF

50V

OPT

C112

22pF

50V

OPT

R1076

390

R1087

0R1089

0

R1098

0R1099

0

MDATA[13]

LVA_1M

DQM2

LVB_0M

MDATA[22]

MADR[5]

LVB_4M

LVB_CKP

MADR[4]

MDATA[16]

CLKE

MDATA[1]

MDATA[23]

MDATA[7]

LVB_3P

LVB_2M

R1155

56

MDATA[0]

LVB_CKM

AR102

22

1/16W

R1153

56

MADR[8]

M_CAS

LVA_CKM

R1142

56

R1146

56

MDATA[5]

LVA_2M

AR101

22

1/16W

BA1

MDATA[19]

MCLK+

MDATA[21]

DQM3

DQM1

MDATA[28]

MADR[3]

MADR[10]

R1149

56

R1143

56

R1148

56

LVB_0P

M_RAS

LVA_4M

DQS1

MDATA[10]

MDATA[3]

MDATA[17]

MDATA[11]

LVA_1P

MDATA[30]

MDATA[8]

M_WE

AR104

22

1/16W

MDATA[31]

LVB_1M

LVA_0P

R1147

56

LVA_CKP

R1145

56

R1157

56

R1144

56

R1154

56

1

LVA_3P

MDATA[4]

R1152

56

MDATA[27]

AR106

22

1/16W

MDATA[26]

MADR[0]

R1156

56

MDATA[25]

LVB_2P

LVB_4PMADR[1]

MDATA[2]

DQS2

BA0

MCLK-

DQS0

MADR[9]

MDATA[14]

LVA_3M

LVB_1P

MDATA[29]

LVB_3M

MDATA[9]

LVA_0M

R1150

56

AR103

22

1/16W

MDATA[6] MDATA[12]

DQM0

MDATA[15]

MADR[6]

MADR[7]

MADR[2]

R1158

56

R1141

56

MADR[11]

MADR[12]

LVA_2P

MDATA[20] MDATA[24]

MDATA[18]

R1151

56

DQS3

LVA_4P

AR105

22

1/16W

R1121

1K

1%

+3.3V_AVDD_OTG

C160

0.1uF

50V

+3.3V_AVDD_LPLL

C163

1000pF

+3.3V_AVDD_SIF

+1.25V_VDDC

C168

0.1uF

50V

+3.3V_AVDD_ADC

+3.3V_AVDD_AU

C155

0.1uF

50V

+2.5V_VDD_DDR

C152

0.1uF

50V

+1.25V_AVDD_DVI

C157

0.1uF

50V

C164

0.1uF

+3.3V_AVDD_MPLL

C169

0.1uF

50V

C153

0.1uF

50V

C156

0.1uF

50V

C154

0.1uF

50V

C167

0.1uF

50V

R1120

1K

1%

C162

0.1uF

50V

+3.3V_VDDP

C158

0.1uF

50V

C159

0.1uF

50V

+3.3V_AVDD_MEMPLL

C161

0.1uF

50V

+2.5V_VDD_DDR

C165

0.1uF

50V

R1008

100

R1007

100

C132

0.047uF

C133

0.047uF

R1025

47

R1026

47

AV_L_OUT006:AN10

AV_R_OUT

006:AN5

AV_CVBS_OUT

C111

0.1uF

IC101

KIA7027AF

2

G

3O

1I

+3.3V_VDDP_ST

+3.3V_VDDP_ST

C103

1uF

10V

IC102

74LX1G14CTR

3GND

21A

41Y

1NC

5VCC

SW100

TMUE312GAB

OPT

12 4

3

5

R1001

1K

MUTE_AV_L/R

006:AM7

+3.3V_VDDP_ST

SPI_CSN_1

Flash_WP_2

R1122

100

SPI_SDI

C166

0.1uF

R1123

4.7K

Flash_WP_1

+3.3V_VDDP_ST

SPI_SCK

SPI_SDO

+3.3V_VDDP_ST

R1126

100

C170

0.1uF

R1125

100

SPI_CSN_2

R1133

100

R1132

100

FRC_RESET

C1002

47uF

16V

SDA_D_TU

003:M14;004:H13;001:H25;001:AB6

DSUB_DET

005:AB15

R1178

100

FRC

EN_3.3VF

SDA_D_TU

003:M14;004:H13;001:H25;001:AM6

R1134

100

R1173

100

FRC

R1172

100

FRC

R1180

100

OPT

R1174

0

OPT

SIDE_CVBS_DET

006:I21

R1175

0

OPT

R1135

100

R1167

100

R1183

22

FRC

SCL_D_TU

003:M14;004:H13;001:H25;001:AB5

EN_2.5VF

R1137

100

R1170

100

FRC

C1001

0.1uF

EN_1.8VF

USB_OCD

006:AK24

IC106

JLC1562BFEL

3A2

2A1

4D0

1A0

6D2

5D1

7D3

8Vss

9D4

10

D5

11

D6

12

D7

13

VDAC

14

SCL

15

SDA

16

VDD

SCL_D_TU

003:M14;004:H13;001:H25;001:AM5

R1171

100

FRC

R1179

100

OPT

LVDS_SEL

EN_1.3VF

R1136

100

FRC_RESET

R1168

22

R1176

0

FRC

R1166

100

EN_1.3PLL

R1169

22

R1164

100

COMP2_DET

005:G11

+5V_TU

COMP1_DET

005:R9

IC108

JLC1562BFEL

FRC

3A2

2A1

4D0

1A0

6D2

5D1

7D3

8Vss

9D4

10

D5

11

D6

12

D7

13

VDAC

14

SCL

15

SDA

16

VDD

R1182

22

FRC

R1163

100

R1181

100

FRC

BIT_SEL

R1165

100

OPT

SIDE_Y/C_DET

006:H13

R1177

100

FRC

R1019

2.7K

R1020

2.7K

R1103

22

R1091

22

R1014

4.7K

AUS_ONLY

R1013

10K

OPT

R1006

10K

OPT

R1131

4.7K

+3.3V_VDDP_ST

SPK_N

SPK_P

TU_TS_VAL

TU_TS_SYNC

TU_TS_DATA[0]

TU_TS_CLK

IC105

S25FL064A

Flash_Memory

EAN42961201

3NC_1

2VCC

4NC_2

1HOLD

6NC_4

5NC_3

7CS

8SO

9W

10

GND

11

NC_5

12

NC_6

13

NC_7

14

NC_8

15

SI

16

SCK

IC107

S25FL064A

Flash_Memory

EAN42961201

3NC_1

2VCC

4NC_2

1HOLD

6NC_4

5NC_3

7CS

8SO

9W

10

GND

11

NC_5

12

NC_6

13

NC_7

14

NC_8

15

SI

16

SCK

R1184

2.2KNON_YAMAHA

R1185

10K

NON_YAMAHA

C1003

0.01uFNON_YAMAHA

R1186

10K

OPT

R1187

22

R1188

22

+5V_ST

R11244.7KFRC

+3.3V_CI

R11274.7KFRC

R11284.7KFRC

R11294.7KFRC

R11404.7K FRC

+3.3V_CI

R11304.7K OPT

R11384.7K OPT

R11394.7K FRC

IC100

LGE7363C-LF

SDR_CKE

A14

SDR_CKL+

C15

SDR_CLK-

B15

SDR_DQS_0

B7

SDR_DQM_0

A7

SDR_DQ_0

B3

SDR_DQ_1

A3

SDR_DQ_2

B4

SDR_DQ_3

A4

SDR_DQ_4

B5

SDR_DQ_5

A5

SDR_DQ_6

B6

SDR_DQ_7

A6

SDR_DQS_1

B12

SDR_DQM_1

A12

SDR_DQ_8

B8

SDR_DQ_9

A8

SDR_DQ_10

B9

SDR_DQ_11

A9

SDR_DQ_12

B10

SDR_DQ_13

A10

SDR_DQ_14

B11

SDR_DQ_15

A11

SDR_DQS_2

A20

SDR_DQM_2

B20

SDR_DQ_16

B16

SDR_DQ_17

A16

SDR_DQ_18

B17

SDR_DQ_19

A17

SDR_DQ_20

B18

SDR_DQ_21

A18

SDR_DQ_22

B19

SDR_DQ_23

A19

SDR_DQS_3

G19

SDR_DQM_3

G20

SDR_DQ_24

C19

SDR_DQ_25

C20

SDR_DQ_26

D19

SDR_DQ_27

D20

SDR_DQ_28

E19

SDR_DQ_29

E20

SDR_DQ_30

F19

SDR_DQ_31

F20

SDR_CASZ

E10

SDR_RASZ

D10

SDR_WEZ

C10

SDR_BA0

E11

SDR_BA1

D11

SDR_AD12

E13

SDR_AD11

D13

SDR_AD10

E12

SDR_AD9

D12

SDR_AD8

C12

SDR_AD7

C11

SDR_AD6

C13

SDR_AD5

B13

SDR_AD4

A13

SDR_AD3

E14

SDR_AD2

D14

SDR_AD1

C14

SDR_AD0

D15

RXO0-

H19

RXO0+

H20

RXO1-

J19

RXO1+

J20

RXO2-

K19

RXO2+

K20

RXOC-

L19

RXOC+

L20

RXO3-

M19

RXO3+

M20

RXO4-

N19

RXO4+

N20

RXE0-

P19

RXE0+

P20

RXE1-

R19

RXE1+

R20

RXE2-

T19

RXE2+

T20

RXEC-

U19

RXEC+

U20

RXE3-

V19

RXE3+

V20

RXE4-

W19

RXE4+

W20

TS1_CLK

J16

TS1_SYNC

H16

TS1_VLD

H17

TS1_D0

K18

TS0_CLK

Y7

TS0_SYNC

W7

TS0_VLD

V7

TS0_D7

U7

TS0_D6

T7

TS0_D5

Y6

TS0_D4

W6

TS0_D3

V6

TS0_D2

U6

TS0_D1

T5

TS0_D0

T6

PCM_A0

Y12

PCM_A1

W12

PCM_A2

V12

PCM_A3

U12

PCM_A4

Y11

PCM_A5

W11

PCM_A6

V11

PCM_A7

U11

PCM_A8

T11

PCM_A9

Y10

PCM_A10

W10

PCM_A11

V10

PCM_A12

U10

PCM_A13

T10

PCM_A14

Y9

PCM_D0

V9

PCM_D1

U9

PCM_D2

T9

PCM_D3

Y8

PCM_D4

W8

PCM_D5

V8

PCM_D6

U8

PCM_D7

T8

PCM_IORD

P16

PCM_IOWR

R16

PCM_OE_N

M17

PCM_WE_N

N17

PCM_REG_N

T17

PCM_CE_N

V18

PCM_IRQA

P18

PCM_WAIT_N

T18

PCM_RESET

N16

PCM_CD_N

K16

IC100

LGE7363C-LF

GPIO0/UART_RX1/CEC

C4

GPIO1/UART_TX1

D4

DDCR_DAT

V15

DDCR_CLK

W15

DDC_SDA/UART-TX

T15

DDC_SCL/UART-RX

U15

GPIO3

E4

SD/MS_D0

U16

SD/MS_D1

R17

SD/MS_D2

U18

SD/MS_D3

N18

SD_SPDZ

R18

SD_CMD

T16

SD/MS_CLK

P17

SD_OCDT

U17

SD_PWRCTL

V17

SD_MS_INS

M16

SD_CDZ

L16

INT/GPIO4

T14

GPIO14/UART_TX1

E16

I2S_IN_BCK/GPIO24

G18

I2S_IN_WS/GPIO23

F18

LVSYNC/GPIO22

K17

LHSYNC/GPIO21

J17

LDE/GPIO20

M18

LCK/GPIO19

L18

DOUT_CLK/GPIO20

Y3

DIN_D3/GPIO28

V5

DIN_D2/GPIO27

U5

DIN_D1/GPIO26

Y4

DIN_D0/GPIO25

W4

DOUT_3/GPIO24

V4

DOUT_2/GPIO23

U4

DOUT_1/GPIO22

W3

DOUT_0/GPIO21

V3

TCON_EXT3/GPIO19

D6

TCON_EXT2/GPIO18

C6

TCON_EXT1/GPIO17

D5

TCON_EXT0/GPIO16

C5

INT2/GPIO26

H18

IRIN2/GPIO25

J18

TESTPIN

E6

XTALI

A2

XTALO

A1

USB_DP

P4

USB_DM

N4

USB_REXT

C7

RESET

Y15

XIN_RTC

W5

XOUT_RTC

Y5

IRIN/GPIO3

T13

RXCN

B2

RXCP

B1

RX0N

C2

RX0P

C1

RX1N

D2

RX1P

D1

RX2N

E2

RX2P

E1

HOTPLUGA

G5

REXT

E3

DDCDA_DA

E5

DDCDA_CK

F5

I2S_OUT_MUTE/CEC

E17

HSYNC1

G1

VSYNC1

G2

VCLP

F3

REFP

F2

REFM

F1

BIN1P_1

H1

SOGIN1

H2

GIN1P

H3

BIN1P_2

J1

BIN0M

J2

BIN0P

J3

GIN0M

K1

GIN0P

K2

SOGIN0M

F4

RIN0M

K3

RIN0P

L1

HSYNC0

J4

VSYNC0

K4

C1(CVBS7P)

L4

Y1(CVBS5P)

L2

C0(CVBS6P)

L3

Y0(CVBS4P)

M1

CVBS3P

G4

CVBS2P

N3

CVBS1P

M4

VCOM1

N2

CVBS0P

G3

VCOM0

M2

CVBS_OUT

N1

SIF_IN1P

P1

SIF_IN1M

P2

LINE_IN_0L

R1

LINE_IN_0R

R2

LINE_IN_1L

R3

LINE_IN_1R

R4

LINE_IN_2L

T1

LINE_IN_2R

T2

LINE_IN_3L

T3

LINE_IN_3R

T4

VIM0

R5

AUVRM

U3

AUVRP

U2

AUVAG

U1

LINE_OUT_2L

V1

LINE_OUT_2R

V2

LINE_OUT_1L

W1

LINE_OUT_1R(DACO_S)

W2

LINE_OUT_0L(DACO_L)

Y1

LINE_OUT_0R(DACO_R)

Y2

SAR0

W13

SAR1

Y13

SAR2

W14

SAR3

Y14

PWM0

U13

PWM1

V13

PWM2

U14

PWM3

V14

SPDIF_IN

G17

SPDIF_OUT

E15

I2S_OUT_SD

D17

I2S_OUT_BCK

C17

I2S_OUT_WS

G16

I2S_OUT_MCK

F16

I2S_IN_SD

F17

NC_1

M3

NC_2

W9

SPI_CK1

Y18

SPI_DI1

Y16

SPI_DO1

Y19

SPI_CZ1

Y17

IC100

LGE7363C-LF

VSS_1

M12

VSS_2

M11

VSS_3

M10

VSS_4

M9

VSS_5

M8

VSS_6

L12

VSS_7

L11

VSS_8

L10

VSS_9

L9

VSS_10

L8

VSS_11

K12

VSS_12

K11

VSS_13

K10

VSS_14

K9

VSS_15

K8

VSS_16

J12

VSS_17

J11

VSS_18

J10

VSS_19

J9

VSS_20

J8

VSS_21

C3

VSS_22

D3

VSS_23

H4

VSS_24

C8

VSS_25

C9

VSS_26

D8

VSS_27

D9

VSS_28

E8

VSS_29

E9

VSS_30

C16

VSS_31

D16

VSS_32

C18

VSS_33

D18

VSS_34

E18

VSS_35

T12

VSS_36

V16

VSS_37

W16

VSS_38

W17

VSS_39

W18

VSS_40

Y20

IC100

LGE7363C-LF

VD33_1

P11

VD33_2

P12

VD33_3

P13

VD33_4

P14

VD33_2_1

P9

VD33_2_2

P10

AVDD_33_1

G6

AVDD_33_2

H6

AVDD_33_3

J6

AVDD_33_4

K6

AVDD_33_5

L6

AVDD_33_6

G7

AVDD_MPLL

E7

AVDD_MEMPLL

B14

AVDD_USB

D7

AVDD_LPLL_1

G12

AVDD_LPLL_2

L17

AVDD_AU

P6

AVDD_SIF

P3

AVDD_DDR_1

G13

AVDD_DDR_2

G11

AVDD_DDR_3

G10

MVREF

A15

AVDD_DVI_1

G8

AVDD_DVI_2

G9

VDDC_1

M6

VDDC_2

N6

VDDC_3

G14

VDDC_4

H14

VDDC_5

J14

VDDC_6

K14

VDDC_7

L14

VDDC_8

M14

VDDC_9

N14

VDD_PWR

P7

AVDD_RTC

P8

R1036

0

MUTE_YAMAHA

008:AL9YAMAHA_GAIN0

008:AK10

R1010

10K

C110

4.7uF

6.3V

5V_HDMI_4

007:R11;007:W23;007:AD24

YAMAHA_GAIN1

008:AK11

R1049

0

C107

27pF

C108

27pF

PS421/NTP_SCL

PS421/NTP_SDA

FRAME_SEL

+3.3V_CI

R11594.7K

OPT

+3.3V_VDDP_ST

SYSTEM_SCL

001:H28;001:S5

SYSTEM_SDA

001:H28;001:S5

IC109

CAT24WC08W-T

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

R127

4.7K

C171

0.1uF

R126

22

R125

22

PS421_RST

008:AK10

X

//BOOTSTRAP PWM[1:0]=10

R1055

EEPROM

R1081

VIDEO IN

O

0V

AUDIO IN

O

O

42"/47" FHD

OX

R1110

26'HD

X

R1051

O

0.77

R1109

MODULE SELECT

X

I2S

52" Sharp

GPIO

AUDIO OUT

XO

1.65

XX

XX

XX

X2.48

X

O32/37/42/47HD

FLASH

HDMI

DDR MEMORY LVDS

TS SIGNAL

ST_BY 3.3V

VIDEO OUT

FLASH MEMORY

I/0 EXPANSION-2

I/0 EXPANSION-1

HDCP EEPROM

SCHEMATIC DIAGRAM

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.DDR

MADR[6]

MDATA[3]

C208

0.1uF

MDATA[5]

MADR[8]

MADR[11]

C209

22uF

16V

3225

C206

0.1uF

MDATA[9]

MDATA[12]

MDATA[0]

MADR[9]

BA0

M_RAS

MDATA[11]

MADR[10]

MDATA[13]

C210

0.1uF

50V

DQS0

C207

0.1uF

+2.5V_DDR

M_CAS

MADR[4]

MADR[2]

+2.5V_DDR

MADR[12]

MADR[1]

MADR[5]

R206

1K

1%

MDATA[2]

MDATA[8]

+2.5V_DDR

MADR[0]

MADR[3]

MDATA[1]

MADR[7]

+2.5V_DDR

M_WE

BA1

MDATA[4]

MDATA[10]

R207

1K 1%

MADR[7]

MADR[11]

MADR[12]

DQS2

MDATA[18]C220

0.1uF

BA1

+2.5V_DDR

C219

0.1uF

MDATA[17]

+2.5V_DDR

MDATA[27]

MDATA[19]

MDATA[26]

MDATA[28]

MADR[8]

MADR[10]

DQS3

MADR[2]

MDATA[29]

MADR[5]

C217

0.1uF

MADR[6]

MDATA[25]

MADR[3]

R212

1K 1%

C218

0.1uF

50V

M_

RA

S

+2.5V_DDR

M_CAS

R211

1K

1%

MADR[0]

MADR[4]

MADR[1]

M_WE

MDATA[16]

BA0

MADR[9]

MDATA[24]

+2.5V_DDR

AR200

22

1/16W

AR201

22

1/16W

AR202

22

1/16W

AR203

22

1/16W

AR204

22

1/16W

AR205

22

1/16W

AR207

22

AR206

22

DQS1

DQM1

MDATA[14]

MDATA[15]

R200

22

1%

DQM0

MDATA[7]

MDATA[6]

R201

22 1%

CLKE

MCLK+

MCLK-

C221

22uF

16V

3225

MDATA[30]

DQM3

C222

0.1uF50V

C224

0.1uF

50V

MDATA[31]

R203

22

1%

CLKE

DQM2

MCLK-

MCLK+

MDATA[21]

MDATA[23]

MDATA[20]

MDATA[22]

R219

22 1%

C201

22uF

16V

3225

C211

22uF

16V

3225

IC201

HY5DU561622FTP-4-C

26

BA0

27

BA1

28

A10/AP

29

A0

30

A1

31

A2

32

A3

33

VDD_3

34

VSS_1

35

A4

36

A5

37

A6

38

A7

39

A8

40

A9

41

A11

42

A12

43

NC_4

44

CKE

45

CLK

46

/CLK

47

UDM

48

VSS_2

49

VREF

50

NC_5

17

NC_2

3VDDQ_1

6VSSQ_1

16

LDQS

15

VDDQ_3

14

NC_1

13

DQ7

12

VSSQ_2

11

DQ6

10

DQ5

9VDDQ_2

8DQ4

7DQ3

4DQ1

5DQ2

25

NC_3

24

/CS

23

/RAS

2DQ0

22

/CAS

21

/WE

1VDD_1

20

LDM

19

NC

18

VDD_2

51

UDQS

52

VSSQ_3

53

NC_6

54

DQ8

55

VDDQ_4

56

DQ9

57

DQ10

58

VSSQ_4

59

DQ11

60

DQ12

61

VDDQ_5

62

DQ13

63

DQ14

64

VSSQ_5

65

DQ15

66

VSS_3

IC200

HY5DU561622FTP-4-C

26

BA0

27

BA1

28

A10/AP

29

A0

30

A1

31

A2

32

A3

33

VDD_3

34

VSS_1

35

A4

36

A5

37

A6

38

A7

39

A8

40

A9

41

A11

42

A12

43

NC_4

44

CKE

45

CLK

46

/CLK

47

UDM

48

VSS_2

49

VREF

50

NC_5

17

NC_2

3VDDQ_1

6VSSQ_1

16

LDQS

15

VDDQ_3

14

NC_1

13

DQ7

12

VSSQ_2

11

DQ6

10

DQ5

9VDDQ_2

8DQ4

7DQ3

4DQ1

5DQ2

25

NC_3

24

/CS

23

/RAS

2DQ0

22

/CAS

21

/WE

1VDD_1

20

LDM

19

NC

18

VDD_2

51

UDQS

52

VSSQ_3

53

NC_6

54

DQ8

55

VDDQ_4

56

DQ9

57

DQ10

58

VSSQ_4

59

DQ11

60

DQ12

61

VDDQ_5

62

DQ13

63

DQ14

64

VSSQ_5

65

DQ15

66

VSS_3

C215

0.1uF

50V

C202

470pF

C203

470pF

C204

470pF

C205

470pF

C212

470pF

C213

470pF

C214

470pF

C216

470pF

R220

0

R221

0

R222

0

R223

0

C223

0.1uF16V

R208

56

1%

R216

561%

R213

56

R202

56

1%

R205

56

1% R204

300

1%

R209

300

1%

R210

56

1%

ADDRESS TOTAL LENGTH < 3000 mil (76.2mm)

DDR1 & DDR2 different length range = +/- 25 mil (max +/- 50 mil)

1 mil = 0.0254 mm

20 mil = 0.508 mm

40 mil = 1.016 mm

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.MODUEL&CTL

LVA_0M

LVB_2P

+3.3V_CI

C302

1000pF

50V

EN_1.3VF

R307

4.7K

FHD&NON-FRC

L302

FRC

LVA_CKP

EN_3.3VF

LVB_0M

LVA_3M

LVA_3P

L301

FRC

R310

1.3K

BIT_SEL

P301

SMAW200-40C

FHD_LVDS_wafer

1 2 3 4 5 6 7 8 9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

+5V_

GENE

RAL

C301

0.1uF

50V

LVB_4M

L303

FRC

R309

0OPT

+3.3V_CI

EN_1.3PLL

P302

SMAW200-26C

HD

1 2 3 4 5 6 7 8 9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

LVB_CKP

R313

1.3K

LVA_4P

+3.3

V_VD

DP_S

T

LVB_3P

+12V

R311

1.3K

LVA_0P

LVB_1M

R306

4.7K

NON-FRC

LVB_3M

LVB_2M

+3.3V_CI

FRC_RESET

P303

SMAW200-13

FRC

1 2 3 4 5 6 7 8 9

10

11

12

13

LVA_CKM

LVB_0P

R305

0

OPT

LVA_4M

R308

0OPT

LVDS_SEL

LVB_CKM

R302

0OPT

R303

0

HD

EN_2.5VF

LVA_2P

+15V

LVB_4P

LVA_2M

PANEL_POWER

003:T8;009:K5

EN_1.8VF

LVA_1P

L304

OPT

LVA_1M

R301

0FRC

R312

1.3K

R304

0OPT

LVB_1P

R314

0OPT

SDA_D_TU

R316

0FRC

SCL_D_TU

R315

0FRC

PANEL_POWER

003:L19;009:K5

+3.3V_CI

R11890

OPT

R11900

OPT

R11910

OPT

R1192

0OPT

JP3007

JP3006

JP3005

JP3001

JP3002

JP3003

JP3004

FRAME_SEL

R317

0OPT

JP3008

C303

100uF

16V

PANEL_POWER DEVIDER

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.TUNER

TU_TS_SYNC

TU_TS_VAL

TU_TS_DATA[0]

TU_TS_CLK

C416

0.1uF

50V

+3.3V_TU

R415

33

C408

47pF

50V

C404

47pF

50V

SDA_D_TU

003:M14;001:H25;001:AB6;001:AM6

SCL_D_TU

003:M14;001:H25;001:AB5;001:AM5

+3.3V_TU

L401

LEMC3225T-6R8M

C421

100uF

16V

C420

100uF

16V

C417

0.1uF

50V

C414

0.1uF

50V

C405

0.1uF

50V

+5V_TU

BOOSTER

+5V_TU

R450

2.2K

R455

10K

C427

100uF

16V

C426

0.01uF

50V

R444

OPT

L402

LEMC3225T-6R8M

Q405

2SA1530A-T112-1R

E

B

C

R402

0

OPT

C423

47pF

50V

OPT

R401

0AUS_ONLY

R451

OPT

Q404

2SA1530A-T112-1R

E

B

C

C429

0.01uF

50V

R454

220

Q406

2SA1530A-T112-1R

E

B

C

R468

0

TV_CVBS+

+5V_TU

C403

100pF

50VAUS_ONLY

R443

4.7K

Q403

2SA1530A-T112-1R

E

B

C

R446

470

R449

82

SIF+

+5V_TU

C413

47pF

50V

AUS_ONLY

C412

47pF

50V

AUS_ONLY

R420

47

AUS_ONLY

R419

47

AUS_ONLY

+3.3V_TU

R422

4.7K

OPT

R424

4.7K

OPT

+5V_TU

C402

0.1uF

50V

C401

0.1uF50V

+1.8V_TU

C419

100uF

16V

C410

0.1uF

50V

C415

0.1uF

50V

C409

0.1uF

50V

C418

100uF

16V

R441

0

R442

0

R440

0

R439

0

GND_1

R435

0

R437

0

R438

0

GND_2R436

0

R430

0

R432

0

R433

0

GND_3R431

0

R425

0

R427

0

R428

0

GND_4R426

0

SCL_A_TU

004:L4;004:R8;001:H26

GND

GND

GND

GND

R452

10K

OPT

+5V_TU

R403

0AUS_ONLY

C425

4700pF

50V

R445

1K

R448

1K

C428

4700pF

50V

TU_RESET_N

R429

100

+3.3V_TU

R418

4.7K

C411

1000pF

50V

C406

1000pF

50V

C407

1000pF

50V

R434

4.7K

R457

0

C422

0.1uF

50V

OPT

R465

330

R447

0

R461

100

R466

330

Q402

2SC3052

E

B

C

Q407

2SC3052

E

B

C

C424

0.1uF

50V

OPT

LD400

TU401

TDFV-G135D1

AUS_Tuner

EBL42367001

1ANT[5V]

2BB[CTR]

3GND_1

4+B[5V]

5NC_1

6RF_AGC

7TP[VT]

8NC_2

9GND_2

10

SDA_T

11

SCL_T

12

AIF_1

13

AIF_2

14

NC_3

15

VIDEO

16

AUDIO

17

SIF

18

SDA

19

SCL

20

RST

21

3.3V

22

1.8V

23

ERR

24

MCL

25

D7

26

D6

27

D5

28

D4

29

D3

30

D2

31

D1

35

SHIELD

32

D0

33

VAL

34

SYNC

R416

33 R417

33

R421

1.2K

R423

1.2K

R4620

TAIWAN

R4630

TAIWAN

R4670

TAIWAN

R469

0

OPT

C432

27pFTAIWAN

+5V_

TU R458

4.7KOPT

C431

27pF

TAIWAN

R456

4.7K

OPT

SDA_A_TU

004:K16;004:L3;001:H26

SCL_A_TU

004:K15;004:L4;001:H26

TU_TS_DATA[0]

TU_TS_VAL

TU_TS_SYNC

TU_TS_CLK

R4724.7KOPT

SCL_A_TU

Q408

2N7002(F)

G

D

S

Q409

2N7002(F)

G

D

S+3.3V_TU

R471

0

SCL_A_TU_5V

SDA_A_TU

+5V_TU

SDA_A_TU_5V

R4742K

R4752K

R4775.6K

R470

0

R4765.6K

R4734.7KOPT

R481

0AUS_ONLY

R480

0OPT

SCL_A_TU_5V

SDA_A_TU_5V

R479

0AUS_ONLY

R478

0OPT

SDA_A_TU

004:L3;004:R8;001:H26

R483

0TAIWAN

SCL_A_TU_5V

R484

0OPT

R485

0TAIWAN

R482

0OPT

SDA_A_TU_5V

C433

0.1uF

16V

R464

100pF

TAIWAN

50V

R459

100

TAIWAN R460

100

TAIWAN

TU40

2TA

FT-H

005F

TAIWAN

EBL35311216

14AF

T

13V-

OUT

5RF

_AGC

12NC

_4

11AS

2GN

D_1

19NC

_7

18NC

_6

10CL

OCK

4NC

_2

1NC

_1

17NC

_5

9DA

TA

8GN

D_2

3+B

[5V]

16SI

F-OU

T

7NC

_3

6TP

[33V

_OPT

ION]

15A-

OUT

21

SHIE

LD

20NC

_8

TP465

TP466

TP470

R412

100

R413

100

R414

100

R404

100

TU401-*1

TDFV-D135F

TAIWAN_TUNER

1ANT[5V]

2BB[CTR]

3GND_1

4+B[5V]

5NC_1

6RF_AGC

7TP[VT]

8NC_2

9GND_2

10SDA_T

11SCL_T

12AIF_1

13AIF_2

14NC_3

15NC_4

16NC_5

17NC_6

18SDA

19SCL

20RST

213.3V

221.8V

23ERR

24MCL

25D7

26D6

27D5

28D4

29D3

30D2

31D1

35

SHIELD

32D0

33VAL

34SYNC

C434

0.1uF

C435

0.1uF

OPT

R453-*1

220

TAIWAN

R453

270

AUS

C430

680pF

50V OPT

AM_AUDIO

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

COMP1_Pr

005:T6

R505

0

L501

MBW3216-501TF

COMP1_Pb

005:T6

R522

22

R506

0R524

22

R523

22

R502

0 R504

0

R5120

R503

0

COMP1_Y

005:T7

COMP_Pb

001:F18

IC500

STMAV340

EAN32724702

32B

21C

42C

11B

63C

53B

74B

84C

9GND

10

4A

11

3A

12

2A

13

1A

14

S

15

OE_N

16

VCC

C506

0.01uF

COMP2_Pr

005:J7

C507

47uF

16V

COMP_Pr

001:F18

+5V_GENERAL

R507

0R525

22

COMP_Y

001:F18

COMP_SEL

008:E6;008:O10;001:H24

COMP2_Pb

005:J8

COMP2_Y

005:J9

COMP2_Pr

C508

0.1uF

50V

R537

10K

R532

470K

D506

5.6V

CDS3C05GTA

OPT

COMP1_R_IN

R511

75

R516

22

D510

5.6V

CDS3C05GTA

OPT

R514

470K

COMP1_DET

001:W4

R513

470K

R501

10K

D503

30V

CDS3C30GTH

OPT

R533

22

D501

30V

CDS3C30GTH

OPT

D512

5.6V

CDS3C05GTA

OPT

C512

100pF

50V

COMP1_Pb

R508

1K

R528

75

D507

30V

CDS3C30GTH

OPT

COMP2_DET

001:W4

R526

10K

+5V_GENERAL

R509

75

D505

5.6V

CDS3C05GTA

OPT

D502

30V

CDS3C30GTH

OPT

R517

22

D504

5.6V

CDS3C05GTA

OPT

C504

100pF

50V

R521

12K

C505

100pF

50V

D509

30V

CDS3C30GTH

OPT

R515

22

JK501

PPJ209-02

6612J10031A

4A

[GN]CONTACT

2A

[GN]1P_CAN

3A

[GN]O_SPRING

2B

[BL]1P_CAN

5B

[BL]C_LUG_L

2C

[RD]1P_CAN1

5C

[RD]C_LUG_L

2D

[WH]1P_CAN

5D

[WH]C_LUG_L

2E

[RD]1P_CAN2

4E

[RD]CONTACT

3E

[RD]O_SPRING

R520

12K

R530

75

R529

75

R510

75

C511

100pF

50V

C503

0.1uF

50V

R536

10K

COMP1_Pr

D508

30V

CDS3C30GTH

OPT

COMP2_R_IN

R538

12K

C510

0.1uF

50V

COMP2_Y

R539

12K

COMP1_L_IN

R534

22

C509

0.1uF

50V

R531

470K

COMP2_L_IN

C501

0.1uF

50V

R518

10K

D511

5.6V

CDS3C05GTA

OPT

C502

0.1uF

50V

R535

22

+5V_GENERAL

JK502

PPJ209-02

6612J10031A

4A

[GN]CONTACT

2A

[GN]1P_CAN

3A

[GN]O_SPRING

2B

[BL]1P_CAN

5B

[BL]C_LUG_L

2C

[RD]1P_CAN1

5C

[RD]C_LUG_L

2D

[WH]1P_CAN

5D

[WH]C_LUG_L

2E

[RD]1P_CAN2

4E

[RD]CONTACT

3E

[RD]O_SPRING

R527

1K

R519

10K

COMP1_Y

COMP2_Pb

D520

5.6V

CDS3C05GTA

OPT

JP5015

R548

75

D517

30V

CDS3C30GTH

R543

22

C517

OPT

OPT

P501

KCN-DS-1-0089

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

D513

30V

EEPROM_WP

DSUB_HSYNC

JP5013

+5V_GENERAL

JP5017

R552

22

D519

ENKMC2838-T112

A1

C

A2

C518

0.1uF

50V

R557

10K

R551

4.7K

R556

100

JP5014

DSUB_B

C516

OPT

OPT

R546

75

R544

22

C520

18pF

50V

DSUB_G

JP5016

C519

18pF

50V

R553

10K

D521

5.6V

CDS3C05GTA

OPT

DSUB_R

R550

4.7K

IC501

AT24C02BN-10SU-1.8

0IMMRAL014D

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D516

30V

CDS3C30GTH

R555

0 OPT

D518

5.6V

CDS3C05GTA

OPT

DSUB_DET

C514

22pF

50V

R542

10K

DDC_SCL/UART_RX

D515

30V

CDS3C30GTH

R547

75

D514

30V

CDS3C30GTH

DSUB_VSYNC

C515

OPT

OPT

R545

22

R558

1K

DDC_SDA/UART_TX

R541

100

R549

10K

C513

22pF

50V

R554

22

R540

100

R7017

100

R7018

100

+5V_ST

JP5020

JP5021

TP551

HIGH:COMP1

COMPONENT-SW

LOW :COMP2

COMPONENT1

COMPONENT2

D-SUB

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

USB DOWN STREAM

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

+12V_AVOUT

R628

100

R624

4.7K

D605

5.6V

CDS3C05GTA

OPT

R629

0

R623

4.7K

RS232C_TXD

001:H29

+3.3V_VDDP_ST

C603

100pF

50V

+3.3V_VDDP_ST

C602

100pF

50V

JK603

PEJ024-01

6612F00099A6B

T_TERMINAL2

8SHIELD_PLATE

7B

B_TERMINAL2

5T_SPRING

4R_SPRING

7A

B_TERMINAL1

6A

T_TERMINAL1

3E_SPRING

PC_R_IN

001:G15

RS232C_RXD

R626

100

D604

5.6V

CDS3C05GTA

OPT

D611

30V

CDS3C30GTH

OPT

D610

30V

CDS3C30GTH

OPT

R603

470K R608

470K

PC_L_IN

001:G15

C617

0.47uF

25V

R613

10K

R612

10K

D612

5.6V

OPT

+5V_USB

D613

5.6V

OPT

C62210uF16V

USB_DM

TP619

TP620

TP621

USB_DP

L606

MBW3216-501TF

P601

KCN-DS-1-0088

1

2

3

4

5

6

7

8

9

10

R615

5.1K

R616

5.1K

IC601

MAX3232CDR

EAN41348201

3C1-

2V+

4C2+

1C1+

6V-

5C2-

7DOUT2

8RIN2

9ROUT2

10DIN2

11DIN1

12ROUT1

13RIN1

14DOUT1

15GND

16VCC

R635

51K

R636

100K

JK606

PPJ200-07

3A

2A

4A

2B

5B

JP6018

ZD602OPT

JP6019

ZD601

OPT

JK604

PPJ204-01

EAG35542201

1O_SPRING

2CONTACT

3U_CAN

SIDE_C_IN

D607

30V

CDS3C30GTH

+5V_GENERAL

R610

1K

R619

75

SIDE_CVBS_IN

D609

30V

C608

100pF

50V

OPT

SIDE_Y_IN

R611

22

L603

D608

30V

CDS3C30GTH

D606

30V

CDS3C30GTH

L601

SIDE_Y/C_DET

C604

100pF

50V

C605

100pF

50V

R61422

R617

10K

R601

10K

C607

100pF

50V

OPT

R607

75

C601

0.1uF

16V

+5V_GENERAL

R604

470K

R602

10K

L602

R621

12K

SIDE_CVBS_DET

R606

75

SIDE_L_IN

C606

100pF

50V

OPT

SIDE_R_IN

R622

12K

R605

470K

R609

22

R618

10KR620

0

Q604

2SA1530A-T112-1R

E

B

C

R638

1.5K

Q603

2SA1530A-T112-1R

E

B

C

L609

BG2012B080TF

R639

1K

C627

0.1uF

16V

C632

10uF

AV_L_OUT

R641

1K

R646

47K

R643

47K

Q605

2SC3875S

E

B

C

+12V_AVOUT

006:X19;006:AE16

Q606

2SC3875S

E

B

C

C623

1000pF

50V

C633

0.1uF

16V

OPT

C635

OPT

C625

1000pF

50V

R647

15K

L608

BG2012B080TF

C626

0.1uF

16V

C631

10uF

6.3V

R637

1.5K

D614

5.6V

OPT

R644

15K

AV_R_OUT

D615

5.6V

OPT

R627

75

C615

100uF

16V

+12V_AVOUT

006:AE16;006:AI12

R633

47K

C614

100uF

16V

R630

680

C620

47uF

16V

R634

15K

Q602

2SC3875S

E

B

C

R632

470

C621

0.1uF

50V

Q601

2SA1530A-T112-1R

E

B

C

AV_CVBS_OUT

R649

2K

+12V_AVOUT

006:X19;006:AI12

C630

0.1uF

50V

L610

HH-1M3216-501

+12V

003:Z14;008:Z12;009:A8;009:F12;009:H19

P602KJA-UB-4-0004

1 2 3 45

JK602

PSJ018-01

EAG42206001

1GND_TER

2C_LUG_S1

3C_LUG_L1

6NC1

7COM1

8NO1

9NC2

10

COM2

11

NO2

12 SHIELD

4C_LUG_S2

5C_LUG_L2

JK601

PPJ218-01

EAG422058015C

[RD]CONTACT

2C

[RD]U_CAN

4C

[RD]O_SPRING

2B

[WH]U_CAN

3B

[WH]C_LUG

2A

[YL]U_CAN

5A

[YL]CONTACT

4A

[YL]O_SPRING

C618470pF

C619470pF

C610

0.1uF

50V

C612

0.1uF

50V

C613

0.1uF

50V

C616

0.1uF

50V

C609

220pF

50V

C611

220pF

50V

USB_CTL

001:H28

R645

560K

R651

100K

OPT

C634

0.1uF

50V

+5V_USB

+5V

USB_OCD

001:AB4

R650

10K

R625

0OPT

JP6017

JP6020

JP6021

JP6023

JP6022

C629

100uF

16V

Q607

2SC3875S

E

B

C

Q608

2SC3875S

E

B

C

MUTE_AV_L/R

001:H27

R648

2K

TP660

TP664

TP665

TP666

TP667IC602

TPS2042ADRG4

3EN1

2IN

4EN2

1GND

5OC2

6OUT2

7OUT1

8OC1

ZD606

5.6B

ZD603

5.6B

ZD604

5.6B

ZD607

5.6B

ZD605

5.6B

ZD608

5.6B

C628

4.7uF

35V

C624

4.7uF

35V

+3.3V_VDDP_ST

R6524.7K

L605

2.2uH

L604

2.2uH

R642

560

R640

560

R631-*1

200

TAIWAN

R631

220

AUS

RS232C

USB

PC-AUDIO

Monitor Out - CVBS

AV-OUT-AUDIO

AV-OUT-CVBS

Side AV

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.HDMI

D2+_HDMI3

CK+_HDMI4

HDMI_SCL

R747

0

OPT

R70030

HPD4

R749

0 OPT

R725

47K

HPD3

R732

22

OPT

R7810

+3.3V_VDDP_ST

HPD1

DDC_SCL_4

007:V9;007:AE24

CK+_HDMI1

R718

0

OPT

DDC_SCL_1

C711

0.1uF

C718

0.1uF

R7790

R708

0

R7944.7K OPT

EEPROM_WP

D0-_HDMI4

DDC_SDA_4

D2+_HDMI4

+3.3V_HDMI_ST

D2+_HDMI2

R750

0 OPT

R762

4.7K

OPT

+3.3V_VDDP_ST

HDMI_CLK+

R797

4.7K

R7007

36K

OPT

+5V_ST

R702

3.6K

GND

R703

1K

+5V_ST

+5V_ST

C707

0.1uF

Q703

2SC3052

E

B

C

+3.3V_VDDP_ST

R731

22

OPT

CK+_HDMI2

GND

R705

1K

C720

0.1uF

CK+_HDMI1

5V_HDMI_1

R745

0

R756

22

OPT

5V_HDMI_4

D1+_HDMI3

C705

0.1uF

D2-_HDMI2

R7740OPT

R728

0 OPT

R7900

IC702

AT24C02BN-10SU-1.8

OPT

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

R755

22

OPT

D2+_HDMI2

R701

3.6K

5V_HDMI_1

R784

100

OPT

C704

0.1uF

R7680

HDMI_RX0-

DDC_SCL_3

Q704

2SC3052

E

B

C

R740

0

OPT

R7720

R741

3.6K

D2-_HDMI1

HDMI_CEC

001:J20;007:AF11

CK-_HDMI4

HPD

CK-_HDMI2

R7800

D1+_HDMI1

D1-_HDMI1

R743

27K

R7005

36K

OPT

R7006

0

D2+_HDMI1

R709

0

DDC_SCL_1

R7880

OPT

D2-_HDMI4

R730

22

OPT

R766

0

DDC_SDA_3

R710

0

CK-_HDMI1

CK+_HDMI3

D705

ENKMC2838-T112

A1

C

A2

DDC_SCL_3

R714

0

C716

0.1uF

R746

0

DDC_SDA_1

5V_HDMI_2

D1+_HDMI4

+3.3V_VDDP_ST

5V_HDMI_2

HDMI_RX0+

IC703

AT24C02BN-10SU-1.8

OPT

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D2-_HDMI3

D701

ENKMC2838-T112

A1

C

A2

D0+_HDMI2

BSS83

Q705

SB

D

G

D0-_HDMI1

CK-_HDMI3

DDC_SCL_2

C709

0.1uF

DDC_SDA_3

DDC_SCL_2

R729

0 OPT

D1-_HDMI4

R7440

OPT

R7910

HDMI_CEC

GND

R727

47K

PS421/NTP_SDA

008:H15;001:H24

D702

ENKMC2838-T112

A1

C

A2

R711

0

R706

1K

CK+_HDMI3 SDA_EYEQ/AMP

Q701

2SC3052

E

B

C

R713

0

D0+_HDMI4

R716

0

OPT

D0-_HDMI2

D0+_HDMI1

C701

0.1uF

50V

HPD2

PS421/NTP_SCL

R765

36K

OPT

D1-_HDMI2

R742

1K

DDC_SCL_2

007:H17;007:AJ9

D0-_HDMI2

EEPROM_WP

CEC_REMOTE

007:F26;007:F17;007:O16;007:T8

D704

MMBD301LT1G

30V

AC

D1+_HDMI2

CK-_HDMI4

D0+_HDMI1

DDC_SCL_3

EEPROM_WP

CK-_HDMI3

5V_HDMI_3

001:H24;007:O23;007:AD13

D0-_HDMI3

D1+_HDMI1

HDMI_RX2-

GND

C712

0.1uF

R783

100

OPT

CEC_REMOTE

DDC_SDA_2

CEC_REMOTE

007:F8;007:F26;007:F17;007:T8

R7730

D0-_HDMI3

D1+_HDMI4

HDMI_RX2+

R707

0

R764

0

HPD1

CK-_HDMI2

R7750

OPT

D0-_HDMI1

D0-_HDMI4R753

22

OPT

R704

3.6K

D706

ENKMC2838-T112

A1

C

A2

HPD2

DDC_SDA_4

R7964.7KOPT

5V_HDMI_4

DDC_SCL_1

R7710

5V_HDMI_3

D2-_HDMI2

R754

22

OPT

DDC_SCL_4

D1-_HDMI3

DDC_SDA_1

HDMI_RX1+

DDC_SCL_4

DDC_SDA_4

+5V_ST

R7008

0

R719

0

OPT

CK+_HDMI2

R7700

5V_HDMI_3

R795510

HPD4

HDMI_RX1-

R761

4.7K

OPT

Q702

2SC3052

E

B

C

R715

0

C702

0.1uF

50V

R7764.7K

OPT

D2+_HDMI4

R7690

D2+_HDMI3

D1-_HDMI2

R7920

C7152.2uF

R70010

R7890

OPT

R712

0

R787 0OPT

R737

68K

R7980

5V_HDMI_2

001:H23;007:W29;007:AM11

+3.3V_VDDP_ST

D1-_HDMI1

C706

0.1uF

50V

GND

D0+_HDMI4

D1+_HDMI2

CK-_HDMI1

DDC_SDA_3

HDMI_CLK-

C710

0.1uF

C714

0.1uF

HPD3

007:AF11

R738 0

OPT

D1+_HDMI3

D2-_HDMI4

IC701

AT24C02BN-10SU-1.8

OPT

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D0+_HDMI2

R70020

EEPROM_WP

D703

OPT

D1-_HDMI3

C717

0.1uF

5V_HDMI_1

001:H23;007:O28;007:AK25

SCL_EYEQ/AMP

CEC_REMOTE

R763

36K

OPT

CEC_REMOTE

D0+_HDMI3

R7860

OPT

D1-_HDMI4

R70040

D2-_HDMI3

D0+_HDMI3

D2-_HDMI1

GND

C703

0.1uF

50V

D2+_HDMI1

R767

4.7K

OPT

R733

22

OPT

DDC_SDA_2

R752

47K

R723

47K

IC704

AT24C02BN-10SU-1.8

OPT

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

DDC_SDA_2

HDMI_SDA

JK704

DC1R019NBH

EAG42025501

14

NC

13

CEC

5DATA1_SHIELD

20

JACK_GND

12

CLK-

11

CLK_SHIELD

2DATA2_SHIELD

19

HPD

18

+5V_POWER

10

CLK+

4DATA1+

1DATA2+

17

DDC/CEC_GND

9DATA0-

8DATA0_SHIELD

3DATA2-

16

SDA

7DATA0+

6DATA1-

15

SCL

DDC_SDA_1

C719

0.1uF

R7990

CK+_HDMI4

5V_HDMI_4

C713

0.1uF

C708

0.1uF

R722 1K

R724 1KR726 1K

R751 1K

JK702

EAG39789401

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

GND

21

GND

22

JK701

EAG39789401

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

GND

21

GND

22

JK703

EAG39789401

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

GND

21

GND

22

R7009 0

R7010 0

OPT

+3.3V_CI

R777

3.3K

R778

3.3K

JP7010

JP7009

JP7003

JP7004

JP7005

JP7006

JP7002

JP7001

JP7007

JP7008

JP7012

JP7011

R735

10K

R739

10K

R757

10K

R758

10K

R759

10K

R734

10K

R760

10K

R736

10K

R7850

R70110

IC705

PS421

1 SCL1

2 SDA1

3 GPD1

4 POW1

5 CEC

6 DDCBUF_EN

7 GND_1

8 CEXT

9 PC0/I2C_RST

10 PC1/I2C_ADDR1

11 TEST

12 VCC_1

13 ECE_IN

14 CEC_OUT

15 S1/SDA_CTL

16 S2/SCL_CTL

17 S3/I2C_ADDR0

18 OE#/POWDN

19 I2C_CTL_EN

20 REXT

21 GND_2

22 POW4

23 HPD4

24 SDA4

25 SCL4

26

GND_3

27

IN4D1N

28

IN4D1P

29

VCC_2

30

IN4D2N

31

IN4D2P

32

GND_4

33

IN4D3N

34

IN4D3P

35

VCC_3

36

IN4D4N

37

IN4D4P

38

GND_5

39

IN3D1N

40

IN3D1P

41

VCC_4

42

IN3D2N

43

IN3D2P

44

GND_6

45

IN3D3N

46

IN3D3P

47

VCC_5

48

IN3D4N

49

IN3D4P

50

GND_7

51SCL352SDA353HPD354POW355GND_856OUT_D4P57OUT_D4N58VCC_659OUT_D3P60OUT_D3N61GND_962OUT_D2P63OUT_D2N64VCC_765OUT_D1P66OUT_D1N67GND_1068SCL_SINK69SDA_SINK70HPD_SINK71POW_SINK72POW273HPD274SDA275SCL2

76

GND_11

77

IN2D1N

78

IN2D1P

79

VCC_8

80

IN2D2N

81

IN2D2P

82

GND_12

83

IN2D3N

84

IN2D3P

85

VCC_9

86

IN2D4N

87

IN2D4P

88

GND_13

89

IN1D1N

90

IN1D1P

91

VCC_10

92

IN1D2N

93

IN1D2P

94

GND_14

95

IN1D3N

96

IN1D3P

97

VCC_11

98

IN1D4N

99

IN1D4P

100

GND_15

R793

0

R7820

R720

1K R721

1K

R717

1K

R748

1K

R7019

2.7K

R7020

2.7K

R70210

OPT

PS421_RST

SIDE

HDM

I

UI_HW_PORT3

UI_HW_PORT1

UI_HW_PORT2

UI_HW_PORT4

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Fiber Optic

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.AMP

COMP1_R_IN

R805

680K

R816

680K

+5V_GENERAL

R818

10K

+5V_GENERAL

C803

2.2uF

50V

COMP_L

C812

2.2uF

50V

COMP2_L_IN

+5V_GENERAL

R812

680K

COMP1_L_IN

IC801

MC74HC4066ADR2G

3YB

2YA

4XB

1XA

6CONTROL_C

5CONTROL_B

7GND

8XC

9YC

10

YD

11

XD

12

CONTROL_D

13

CONTROL_A

14

VCC

+5V_GENERAL

COMP2_R_IN

+5V_GENERAL

C804

2.2uF

50V

R813

680K

R815

680K

R806

680K

COMP_SEL

R817

0

COMP_R

C813

2.2uF

50V

+5V_GENERAL

R807

680K

R814

680K

R803

10K

Q800

2SC3052

E

B

C

+5V_GENERAL

R804

0

R802

10K

COMP_SEL

0.1uF

C843

50V

C823

22000pF

50V

R808

100

SDA_EYEQ/AMP

001:B25;007:AD7;010:O14

C805

0.1uF

50V

R830

5.6

L804

DA-8580

EAP38319001

2S

1S

1F

2F

R831

5.6

AUDIO_MASTER_CLK

R829

5.6

C820

22000pF

50V

0.1uF

C827

50V

+1.8V_AMP

+3.3V_CI

C818

1uF

10V

+1.8V_AMP

R836

4.7K

L802

MLB-201209-0120P-N2

D804

100V

1N4148W

R828

5.6

AMP_RST

C835

1000pF

50V

0.1uF

C842

50V

R840

3.3

R823

0

OPT

R827

5.6

OPT

0.1uF

C822

50V

+5V

C832

1000pF

50V

OPT

0.1uF

C829

50V

+5V

D801

100V

1N4148W

0.01uF

C817

50V

R811

100

OPT

R825

5.6

OPT

SCL_EYEQ/AMP

C821

1uF

16V

+15V_AMP

MS_LRCK

SPK_R+

C838

0.47uF

50V

0.1uF

C808

50V

0.01uF

C854

50V

R809

3.3K

0.01uF

C852

50V

C834

1000pF

50V

MS_LRCH

L803

MBW3216-501TF

R834

4.7K

C806

10uF

6.3V

+15V_AMP

C819

330uF

25V

SPDIF_OUT

0.1uF

C828

50V

R801

1K

C839

0.47uF

50V

JK801

JST1223-001

1

GND

2

VCC

3

VINPUT

4 FIX_POLE

C816

22000pF

50V

SPK_L+

MUTE

001:H25

+15V_AMP

C837

1000pF

50V

ZD801

OPT

0.1uF

C811

50V

SPK_L-

R819

3.3

R810

100

OPT

R835

4.7K

D803

100V

1N4148W

R838

3.3

+1.8V_AMP

P801

SMAW250-04

1 2 3 4

R822

0

R841

3.3

+1.8V_AMP

R837

4.7K

0.01uF

C851

50V

L801

C810

1000pF

50V

L805

DA-8580

EAP38319001

2S

1S

1F

2F

+15V_AMP

SPK_R-

0.1uF

C845

50V

C836

1000pF

50V

+15V_AMP R820

120K

OPT

AC_DET

001:H23;009:E15

D802

100V

1N4148W

MS_SCK

+15V

C807

100pF

50V

0.1uF

C844

50V

0.1uF

C815

50V

0.01uF

C853

50V

C826

22000pF

50V

C833

1000pF

50V

OPT

R826

5.6

OPT

C802

0.1uF

50V

R839

3.3

+15V_AMP

C809

1000pF

50V

+15V_AMP

+15V_AMP

R824

5.6

OPT

C801

10uF

6.3V

C831

1000pF

50V

OPT

C830

1000pF

50V

OPT

C8251uF

16V

C814

1uF

10V

0.1uF

C824

50V

SPK_R-

SPK_R+

SPK_L-

SPK_L+

R8590

OPT

R8600

IC802

NTP3000A

EAN41584001

1BST1A

2VDR1A

3/RESET

4AD

5VSS_IO

6CLK_I

7CLK_O

8VDD_IO

9DGNDPLL

10

AGNDPLL

11

LFM

12

AVDDPLL

13

DVDDPLL

14

NC_1

15 DVSS

16 DVDD

17 SDATA

18 WCK

19 BCK

20 SDA

21 SCL

22 PWM_3B/PWM_HP2

23 PWM_3A/PWM_HP1

24 PROTECT

25 FAULT

26 VDR2B

27 BST2B

28 PGND2B_1

29

PGND2B_2

30

OUT2B_1

31

OUT2B_2

32

PVDD2B_1

33

PVDD2B_2

34

PVDD2A_1

35

PVDD2A_2

36

OUT2A_1

37

OUT2A_2

38

PGND2A_1

39

PGND2A_2

40

BST2A

41

VDR2A

42

NC_2

43VDR1B44BST1B45PGND1B_146PGND1B_247OUT1B_148OUT1B_249PVDD1B_150PVDD1B_251PVDD1A_152PVDD1A_253OUT1A_154OUT1A_255PGND1A_156PGND1A_2

C8460.1uF YAMAHA

GND

P_+16V_AMP_IN

R857

0

YAMAHA

C848

0.1uFYAMAHA

C8501uF

25V

YAMAHA

R854100OPT

R855

0

YAMAHA

MUTE_YAMAHA

GND

+3.3V_CI

C856

1uF

25V

YAMAHA

P_+16V_AMP_IN

GND

C840

1uF25V

YAMAHA

R853

0

YAMAHA

R851

200K

YAMAHA

R850

68K

YAMAHA

R856

0

YAMAHA

C855

1uF

25V

YAMAHA

C841

1uF25V

YAMAHA

GND

R844

120K

1%

YAMAHA

C847

1uFYAMAHA

P_+16V_AMP_IN

P_+16V_AMP_IN

SPK_N

R845

100K

1%

YAMAHA

L_SOUND_N

P_+16V_AMP_IN

P_+16V_AMP_IN

R_SOUND_P

P_+16V_AMP_IN

GND

L810

YAMAHA

R_SOUND_N

C849

1uF

25V

YAMAHA

+15V

GND

L_SOUND_P

SPK_P

IC803

YDA148-EZ

YAMAHA

1PVDDREG

3INLP

7INRP

9PLIMIT

10 PVDDPR

11 OUTPR_1

12 OUTPR_2

13 PVSSR

14 OUTMR_1

15 OUTMR_2

16 PVDDMR

17

SLEEPN

18

PROTN

19

MUTEN

20

CKOUT

21

CKIN

22

NCDRC0

23

NCDRC1

24

GAIN0

25

GAIN1

26PVDDML

27OUTML_1

28OUTML_2

29PVSSL

30OUTPL_1

31OUTPL_2

32PVDDPL

5VREF

8AVSS

6INRM

4INLM

2AVDD

R842

68K

1%

YAMAHA

R843

1K

1%

YAMAHA

R832

10K

YAMAHA

R833

10K

YAMAHA

R852100OPT

L_SOUND_N

L_SOUND_P

R_SOUND_P

R_SOUND_N

R8490

YAMAHA

R8460

YAMAHAR8470

YAMAHA

R8480

YAMAHA

YAMAHA_GAIN1

001:H26

YAMAHA_GAIN0

001:H27

+12V

L811

OPT

JP8005

JP8007

JP8006

JP8008

JP8003

JP8004

JP8001

JP8002

C1211

10uF

6.3V

OPT

R821

1.1K

GND

R8611K

YAMAHA

PS421/NTP_SDA

001:H24;007:AD5

PS421/NTP_SCL

R862

100

R863

100

L806

120-ohm

L808

120-ohm

L809

120-ohm

L807

120-ohm

AUDIO SWITCH

SPEA

KER_

R

SPEA

KER_

L

SPDIF OPTIC JACK

L

L

H,H

SPK L

L,H

H

46dB

Output

Gain

GAIN[1:0]

34dB

HP

28dB

H,L

Speaker

AMP

L,L

SPK R

40dB

Mute

X

MUTEN

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.POWER

C938

100uF

16V

C933

0.1uF

50V

C983

0.01uF

50V

C964

0.01uF

50V

+3.3V_AVDD_ADC

C981

0.01uF

50V

C987

0.1uF

50V

+3.3V_AVDD

+5V

C986

0.1uF

50V

C913

0.1uF

50V

+3.3V_AVDD_MEMPLL

+2.5V_DDR

C982

0.01uF

50V

C940

0.1uF

50V

C971

0.1uF

50V

C990

100uF

16V

C991

0.1uF

50V

PANEL_POWER

+3.3V_AVDD_LPLL

+5V_ST

+3.3V_VDDP_ST

+5V

006:AG26;008:D28;008:E28;009:M14;009:V11;009:Y8

+2.5V

Q905

SI4925BDY

3S2

2G1

4G2

1S1

5D2_1

6D2_2

7D1_1

8D1_2

+3.3V_IR

+12V

+3.3V_AVDD_SIF

C980

0.1uF

50V

C978

0.01uF

50V

C972

0.1uF

50V

+3.3V_AVDD_AU

C969

0.1uF

50V

C963

0.01uF

50V

C968

0.1uF

50V

+3.3V_AVDD_MPLL

PANEL_CTL001:E29

C979

0.1uF

50V

C966

0.01uF

50V

C989

0.1uF

50V

+3.3V_AVDD_DVI

+5V_ST

+5V_ST

C939

0.1uF

50V

R903

10K

OPT

C930

100uF

16V

R902

10K

C967

0.1uF

50V

C911

0.01uF

50V

C988

0.1uF

50V

+3.3V_VDDP

C985

0.1uF

50V

+2.5V

IC904

AZ1085S-3.3TR/E1

1

ADJ/GND

2OUTPUT

3INPUT

C962

0.01uF

50V

C918

100uF

16V

RL_ON

001:B27;009:E16

C984

0.01uF

50V

C926

0.1uF

50V

+5V_GENERAL

+5V

C975

0.1uF

50V

C961

0.1uF

50V

C973

100uF

16V

C960

100uF

16V

+3.3V_AVDD

C965

0.01uF

50V

C970

0.1uF

50V

+3.3V_AVDD_OTG

+2.5V_VDD_DDR

C976

0.1uF

50V

C977

0.1uF

50V

C936

0.1uF

50V

+3.3V_TU

C935

100uF

16V

C941

100uF

16V

C943

0.1uF

50V

+5V

R927

OPT

+3.3V_CI

C951

0.1uF

50V

C952

0.1uF

50V

C946

0.1uF

50V

+1.8V_TU

+3.3V_VDDP_ST

+3.3V_VDDP_ST

C955

0.1uF

50V

C956

10uF

16V

3216

C949

0.01uF

50V

C954

0.1uF

50V

+1.25V_VDDC

C953

0.01uF

50V

+1.25V_AVDD_DVI

+1.25V_ST

+1.25V_ST

R925

0 3216

R924

0 3216

C948

0.1uF

50V

C974

10uF

16V

R9230

+5V_GENERAL

C942

100uF

16V

R926

0

R907

22K

R908

22K

R904

10K

IC903

AZ1085S-ADJTR/E1

1

ADJ/GND

2OUTPUT

3INPUT

C931

100uF

16V

C934

0.1uF

50V

C929

0.1uF

50V

C937

330uF

16V

C932

0.1uF

50V

C928

100uF

16V

C957

0.1uF

50V

+3.3V_VDDP_ST

+3.3V_VDDP_ST

+3.3V_VDDP_ST

IC905

AZ1117D-3.3TRE1

1

ADJ/GND

2OUTPUT

3INPUT

IC909

AZ1117D-3.3TRE1

1

ADJ/GND

2OUTPUT

3INPUT

IC910

AZ1117D-2.5TRE1

1

ADJ/GND

2OUTPUT

3INPUT

IC907

AZ1117D-1.8TRE1

1

ADJ/GND

2OUTPUT

3INPUT

C958

100uF

16V

+1.8V_AMP

C945

0.1uF

50V

IC908

AZ1117D-1.8TRE1

1

ADJ/GND

2OUTPUT

3INPUT

C959

0.1uF

50V

L910

MBW3216-501TF

L906

MBW3216-501TF

L919

MBW3216-501TF

L908

MBW3216-501TF

L907

MBW3216-501TF

L914

MBW3216-501TF

L909

MBW3216-501TF

L905

MBW3216-501TF

OPT

L917

MBW3216-501TF

L915

MBW3216-501TF

L918

MBW3216-501TF

L911

MBW3216-501TF

L913

MBW3216-501TF

L916

MBW3216-501TF

L904

MBW3216-501TF

L912

MBW3216-501TF

Q902

2SC3052

E

B

C

Q904

2SC3052

E

B

C

Q903

2SC3052

E

B

C

R906

560

R905

10K

C916

10uF

OPT

C921

0.1uF

50V

OPT

C922

0.1uF

50V

C908

47uF

16V

C901

0.1uF

50V

C912

4.7uF

10V

OPT

C909

0.1uF

16V

IC902

KIA7805AF

2

C

3O

1I

+5V_TU

C910

0.1uF

16V

+12V

003:Z14;006:AB17;008:Z12;009:A8;009:H19

P902

SMAW200-24C

1 2 3 4 5 6 7 8 9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

L903

C905

0.1uF

16V

C919

100uF

16V

C923

0.1uF

16V

+12V

L901

CB4532UK121E

+5V_ST

C907

330uF

25V

C920

1uF

25V

C904

330uF

25V

+15V

L902

CB4532UK121E

R911

0

5V_MNT

001:H26

4.7K

R916

NON_52"Sharp

C903

0.1uF

16V

AC_DET

008:S16;001:H23

RL_ON

001:B27;009:B5

0R912

OPT

INV_CTL

001:H25;009:K17

INV_CTL

001:H25;009:H14

R918

10K

OPT

+5V_GENERAL

R913

100

R914

10K

+5V_GENERAL

Q901

2SC3052

E

B

C

R917

10K

R915

10K

PWM_DIM

001:G12

0R901

R909

47K

R910

47K

C917

1uF

35V

C993

0.1uF

50V

C992

0.01uF

50V

+3.3V_HDMI_ST

L921

MBW3216-501TF

R922

0 1/4W

5%

R921

0 1/4W

5%

R928

0

C927

10uF

16V

L920

MBW3216-501TF

C902

100uF

16V

1uF

C906

16V

R929

5.1K

A_DIM

001:B6;001:G12

C914

100uF

16V

JP9010

JP9011

JP9009

JP9008

JP9012

JP9002

JP9005

JP9004

JP9001

JP9006

R919

51

5%

R920

3.3K

1%

JP902

JP901

C925

052"Sharp

C924

100uF

16V

C915

100uF

16V

DC-DC CONVERTER

Stand-by +3.3V_+1.25V_MST_Core

TUNER_CI +3.3V_+1.8V_+1.5V

+5V_+12V

+2.5V_DDR

+3.3V_MST

R1

R2 V0 = 1.25(1+R2/R1)

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

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TANT

FOR

PRO

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FROM

X-R

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LRE

AND

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HOCK

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IS

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ORTH

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AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

C1204

1000pF

50V

OPT

C1205

0.1uF

50V

R1203

1001%

C1206

100pF

50V

R1208

0 OPT

L1004

BG2012B080TF

OPT

C1208

1000pF

50V

LED_R

001:G12

SDA_EYEQ/AMP

KEY1

001:J13

EYEQ_RESET

001:H27

GND-EMI

R1209

0

C1207

0.1uF

50V

PWM_LED

001:B6;001:G12

C1203

0.1uF

50V

L1010

BG2012B080TF

L1008

BG2012B080TF

L1003

BG2012B080TF

OPT

GND-EMI

R1204

100

1%

R1202

0

OPT

R1201

0

OPT

L1005

BG2012B080TF

+3.3V_VDDP_ST

+5V_ST

IR

001:H22

L1009

BG2012B080TF

L1002

BG2012B080TF

R1211

0

OPT

LED_G

001:H24

KEY2

L1006

BG2012B080TF

SCL_EYEQ/AMP

008:H16;001:B25;007:AD7

C1202

1000pF

50V

+3.3V_IR

009:X18

C1201

0.1uF

50V

SPK_N

SPK_P

R1214

0

L1001

BLM18AG221SN1D

L1007

BLM18AG221SN1D

C1209

100pF

50V

OPT

R1205

4.7K

R1206

4.7K

ZD1200

5.6B

P1001

12505WS-15A00

1NC SCL

2NC SDA

3GND

4GND

5KEY1

6KEY2

7NC 3.3V_SW

85V_ST

9PWM_LED

10

IR

11

NC RESET

12

GND

13

LED_G

14

LED_R/PWM

16

GND

15

GND

R1212

100

R1213

100

JP1007

JP1001

JP1008

JP1004

JP1005

JP1010JP1011

JP1003

JP1002

JP1009

JP1012

ZD1207

5.6B

C1212

5pF

50V

C1213

5pF

50V

R1207

100K

YAMAHA

R1210

100K

YAMAHA

JP1006

R1210-*1

10KNON_YAMAHA

IR & LED

CONTROL

Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Jun., 2008Printed in KoreaP/NO : MFL42276206