servicemanuals lg tv plasma 42pj350 42pj350 service manual

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PLASMA TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : PA01A MODEL : 42PJ350 42PJ350-AB North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only Printed in Korea P/NO : MFL62882004(1001-REV00)

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Page 1: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

PLASMA TVSERVICE MANUAL

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

CHASSIS : PA01A

MODEL : 42PJ350 42PJ350-AB

North/Latin America http://aic.lgservice.comEurope/Africa http://eic.lgservice.comAsia/Oceania http://biz.lgservice.com

Internal Use Only

Printed in KoreaP/NO : MFL62882004(1001-REV00)

Page 2: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 2 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

CONTENTS

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

SAFETY PRECAUTIONS...........................................................................................................3

SPECIFICATION.........................................................................................................................4

ADJUSTMENT INSTRUCTION ..................................................................................................6

TROUBLESHOOTING GUIDE..................................................................................................11

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

EXPLODED VIEW ...................................................................................................................23

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

Page 3: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 3 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic Diagram and Exploded View. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to preventX-RADIATION, Shock, 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 monitor is blown, replace itwith 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.

Due to high vacuum and large surface area of picture tube,extreme care should be used in handling the Picture Tube.Do not lift the Picture tube by it's Neck.

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

Page 4: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 4 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

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

V Application RangeThis spec is applied to the PDP TV used PA01A Chassis.

V SpecificationEach part is tested as below without special appointment.1) Temperature : 25±5°C (77±9°F), CST : 40±52) Relative Humidity: 65±10%3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)

* Standard Voltage of each product is marked by models.4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with

SBOM.5) The receiver must be operated for about 20 minutes prior to the adjustment.

V Test Method1) Performance : LGE TV test method followed.2) Demanded other specification

Safety : CB specificationEMC : CISPR 13 specification

V Test Method

No Item Specification Remark

1. Broadcasting system PAL-B/B, DTV : DVB-T

2. Available Channel 1)DTV

-.VHF : 6 ~ 12

-.UHF : 27 ~ 69

2) ATV

-.VHF : 0 ~ 20

-.UHD : 21 ~ 75

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

34.40MHz(Sound)

2) DVB-T : 36.125MHz

4. Input Voltage AC 100 ~ 240 V, 50/60Hz Mark : 240V, 50Hz

5. Screen Size 42 inch XGA(1024 x 768)

50 inch Wide(1365 x 768)

50 inch Wide(1920 × 1080)

60 inch Wide(1920 × 1080)

6. Aspect Ratio 16:9

7. Module 42/50T1, 50/60R1

8. Operating Environment 1) Temp : 0 ~ 40 deg

2) Humidity : ~ 80 %

9. Storage Environment 1) Temp : -20 ~ 60 deg

2) Humidity : ~ 85 %

Page 5: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 5 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

V Chroma & Brightness(1) HD Module (42T1 Module, 38% Glass Filter )

* Warning : When measuring following test items, Dynamic Colour & Dynamic Contrast should be turned off.

No Item Min Typ Max Unit Remark

1. White peak brightness 315 - cd/m2 (*) Peak Brightness Mode

-1/100 white Window pattern

(Typically 1% Window size)

-100IRE (255Gray)

-Picture: Vivid (Medium)

-Input: HDMI-PC(1920*1080 60Hz)

*Peak Brightness Condition may Slightly

different between sets.

148 161 -25/100 white Window pattern

2. White average brightness 46 50 cd/m2 - 100% Window White Pattern

- 100IRE(255Gray)

- Picture: Vivid(Medium )

3. Brightness uniformity -10 0 +10 % - 85IRE(216Gray) 100% Window White Pattern

- Picture: Vivid(Medium)

4. Color White X 0.270 0.285 0.300 - White : 85IRE(216Gray) 100% Window

Coordinate Y 0.283 0.293 0.303 White Pattern

Red X 0.635 0.640 - - R/G/B : 100IRE(255Gray) 100% Window

Y 0.318 0.333 0.345 White Pattern

Green X 0.242 0.300 0.305 - Picture: Vivid(Medium )

Y 0.595 0.600 - - 100% Window

Blue X - 0.150 0.158

Y - 0.065 0.075

5. Color coordinate uniformity -0.01 Average +0.01 - 85IRE 100% Window White Pattern

- Picture: Vivid(Medium)

6. Contrast ratio at dark room 100k: 1 1,000k: 1 -1/100 white window pattern(Peak mode)

-100IRE(255Gray)

-Picture: Vivid(Medium)

-Input: HDMI-PC (1920*1080 60Hz)

7. Color Cool X 0.261 0.276 0.291 - 85IRE 100% Window White Pattern

Temperature Y 0.268 0.283 0.298 Warm : ColorGamut => WIDE

Medium X 0.270 0.285 0.300 Cool : Color temperature C30

Y 0.278 0.293 0.308 Meduum : Color temperature 0

Warm X 0.298 0.313 0.328 Warm : Color temperature W30

Y 0.314 0.329 0.344

Page 6: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 6 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

ADJUSTMENT INSTRUCTION

1. Application RangeThis spec. sheet is applied to all of the PA01A chassismanufactured at LG TV Plant all over the world.

2. Designation

Caution: The module keeping condition

1. The module keeping condition: The normal temperaturecondition(more than 15°C)-> Immediately the line supply.

2. The module keeping condition: 0°C-> The module must be kept for more than 2 hours at the

normal temperature.3. The module keeping condition: -20°C

-> The module must be kept for more than 3 hours at thenormal temperature.

4. The case of Gu-mi factory at the winter season.-> The module must be kept for more than 5 minutes at the

heating zone(40°C~45°C).

(1) The adjustment is according to the order which isdesignated and which must be followed, according to theplan which can be changed only on agreeing.

(2) If there is no specific designation, the adjustment must beperformed in the circumstance of 25 ±5∞C of temperatureand 65±10% of relative humidity.

(3) The input voltage of the set must keep 100~240V,50/60Hz.

(4) Input signal Unit: Product Specification Standard.(5) The set must be operated for about 5 minutes prior to the

adjustment. .

* After turning on RGB Full Window pattern in HEAT-RUNMode, the receiver must be operated.

* Enter into HEAT-RUN MODE 1) Press the ‘POWER ON’ button on R/C for adjustment.2) Press the ‘ADJ’ button on R/C and enter EZ ADJUST

- Select "7. Test Pattern" by using F/G(CH +/-) andpress ENTER(V)

- Select "White" by using F/G(VOL +/-) and pressENTER(V)

O Set heat run should be activated without a signal generator.

O Single color patterns (RED / BLUE / GREEN) of HEAT RUNMODE are used to check a plasma panel.

O Caution: If you turn on a still screen more than 20 minutes(Especially digital pattern, cross hatch pattern), an afterimage may be made in the black level part of the screen.

Caution- Use 'power on' button of a service R/C to power on TV set.- Do not connect any external input cable if there is no any

specifics.

3. Update S/W using auto downloadthrough the USB.

Caution: S/W version of USB file (xxx.epk) must be bigger thanone which is downloaded previously.

1. Insert the USB stick to the USB socket 2. A downloaded fi le in USB stick wil l be detected

automatically.3. If S/W version of USB file (xxx.epk) is bigger than one which

is downloaded previously, the message, “Copying files frommemory”, will appear.

4. If an update procedure was completed, TV set will be turnedoff and on automatically.

5. If TV set is turned on, check an updated version.* If a downloaded version is more bigger than one of which

TV set had, TV set can lost channel data. In this case,you have to scan channels again.

4. After downloading S/W, adjustTOOL OPTION.

(1) Push "IN-START" button on a service R/C.(2) Select "Tool Option 1" and Push “OK” button.(3) Put the number of a below table in order of a suffix of the

“Tool Option(X)”. (Each model has a different number.)

Model Tool Option1 Tool Option2 Tool Option3 Tool Option4

42PJ350-AB 25024 2632 51404 4384

42PJ650-AA 24896 2632 51408 4384

50PJ350-AB 37312 2632 51404 4384

50PJ650-AA 37184 2632 51408 4384

50PK550-AA 36992 2632 51404 4384

60PK550-AA 49280 2632 51404 4384

Page 7: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 7 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

5. ADC Calibration Procedure

(1) Input the component (480i/Horizontal Color Bar) signal to aTV set.1) Input Signal Timing : Component 480i

(Other external connection is unnecessary except thecomponent before executing ADC calibration.)

2) Input Signal Pattern

@ MODEL: 209 in Pattern Generator(480i Mode)@ PATTERN : 65 in Pattern Generator(MSPG-925

SERISE)

(2) Push “ADJ” button on a service R/C.(3) Enter internal ADC mode by selecting ‘5. ADC Calibration’.(4) If you select ‘Start’ on a dialog box of the screen, ADC

calibration will be begun.

Caution: Don’t connect any external input cable except thecomponent input(480i/Horizontal_Color_Bar) to adjustADC calibration

O Auto ADC Calibration Map(RS-232C)

# Adjust Sequence- aa 00 00 [Enter Adjust Mode]- xb 00 40 [Component1 Input (480i)]- ad 00 10 [Adjust 480i Comp1]- xb 00 60 [RGB Input (1024*768)]- ad 00 10 [Adjust 1024*768 RGB]- aa 00 90 End Adjust mode

6. EDID Download Procedure

(1) Push “ADJ” button on a service R/C.(2) Enter EDID auto download mode by selecting ‘8. EDID

D/L’.(3) If you select ‘Start’ on a dialog box of the screen, EDID

download will be begun automatically.

(4) Press ‘EXIT’ button on a service R/C.

(5) EDID Data1) HDMI (HD Models, 256 bytes)

2) RGB (HD Models, 128 bytes)

O EDID Data detailing (, , , , , )

<Horizontal Color Bar pattern>

NO Item CMD1

A A 0 0

01DA

CMD2 Data0

Enter Adjust MODE

Adjust ‘Mode In’

When transfer the ‘MadeIn’, Carry the command.

Automatically adjustmentADCAdjust

ADC Adjust

Page 8: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 8 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Product ID

Serial No=> Controlled on production line

Month, Year=> Controlled on production line:

Model Name

Checksum=> Changeable by total EDID data

HDMI Port No.

O Auto EDID Download Map(RS-232C)

7. POWER Supply Unit PCB Ass’y Va/Vs Voltage Adjustment

Caution: Both Vs and Va voltage adjustment are necessary.

7-1. Va/Vs Adjustment Procedure(1) Connect positive(+) terminal of DMM to Vs/Va pin, connect

negative(-) terminal to GND.(2) Turning ‘Vs/Va Adjust’ and adjust Vs/Va voltages to a

value which is written on a right/top label of a module.(deviation ; ±0.5V)

Caution- Each Power Supply Unit PCB assembly must be checked by

check JIG set. (Because power PCB Ass’y damages to PDPModule, especially be careful)

- Set up “RF mode(noise)” before a voltage adjustment.- Test equipment: DMM 1EA

8. White Balance Adjustment

Caution: Press the POWER ON KEY on R/C before W/Badjustment.

O Test EquipmentColor Analyzer (CS-1000, CA-100+(CH.10), CA-210(CH.10))

O Please adjust CA-100+ / CA-210 by CS-1000 beforemeasuring

You should use Channel 10 which is Matrix compensated(White, Red, Green, Blue revised) by CS-1000 and adjustin accordance with White balance adjustment coordinate.

8-1. Color Temperature Standards Accordingto CSM and Module(TBD)

MODEL EDID MODEL PRODUCT_ID FUNCTION

ALL Model LG DTV 0001(0x01, 0x00) Analog

ALL Model LG DTV 0001(0x01, 0x00) Digital

FHD HD

HDMI1 0xE2 0xB4 0xAF 0xE2

HDMI2 0xE2 0xA4 0xAF 0xE2

HDMI3 0xE2 0x94 0xAF 0xE2

HDMI4 - - - -

RGB 0x62 0x2F

NO Item CMD1

A A 0 0

1000EA

CMD2 Data0

Enter download

MODE

Download‘Mode In’

When transfer the ‘MadeIn’, Carry the command.

Automatically download(The use of a internal

Data)Download

EDID data andModel option

download

6500KWarm

9300KMedium

11000KCool

PLASMACSM

Page 9: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

8-2. Change Target Luminance and Range of the Auto Adjustment W/B Equipment

8-3. White Balance Adjustment Coordinateand Color Temperature

8-4. White Balance Adjustment Coordinateand Color Temperature

[ PC (for communication through RS-232C) ? UART Baudrate : 115200 bps

8-5. Automatic W/B Adjustment(1) Internal PATTERN should be used when W/B is adjusted.

Connect to auto controller like below.

(2) Start White-Balance adjustment, then the full white windowpattern will appear on the screen.

(3) Adjust in the place where the influx of light like floodlightaround is blocked.(illumination is less than 10ux).

(4) Measure and adjust after sticking the Color Analyzer (CA-100+, CA210 ) to the side of the module.

O Auto W/B Adjustment Map(RS-232C)RS-232C COMMAND[ CMD ID DATA ]

Wb 00 00 White Balance StartWb 00 FF White Balance End

8-6. Manual W/B Adjustment(1) Execute the zero calibration of CA-100+ / CA-210.(2) Press the ‘ADJ’ button on a service R/C and enter EZ

ASJUST by selecting ‘6. White Balance’.(3) Then, 216 gray pattern will appear on the screen.(4) Change the R/G/B-Gain as passing in 3 color coordinates

and temperatures, COOL, MEDIUM and WARM.< Temperature: COOL >

- R-Cut / G-Cut / B-Cut is set to 64- Control R-Gain and G-Gain.- Each gain is limited to 192

< Temperature: MEDIUM >- R-Cut / G-Cut / B-Cut is set to 64- Control R-Gain and G-Gain.- Each gain is limited to 192

< Temperature: WARM >- R-Cut / G-Cut / B-Cut is set to 64- Control G-Gain and B-Gain.- Each gain is limited to 192

(5) Press ‘EXIT’ button on a service R/C

- 9 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

20Range

50Target luminance

20Range

50Target luminance

128646464B Cut

128646464G Cut

128646464R Cut

50H360H3

25519219219200jfJcjiB Gain

25519219219200jeJbjhG Gain

25519219219200jdJajgR Gain

WarmMedCoolWarmMedCool

MAX

CENTER(DEFAULT)Min

RS-232C COMMAND[CMD ID DATA]

Page 10: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

<Notice> Module Heat-Run Condition for W/B1. The adjustment must be performed in the circumstance of

25±5°C of temperature and 65±10% of relative humidity ifthere is no any specifics.

2. Before an W/B adjustment, the module which will be usedshould be placed in the circumstance of 15°C~25°C forabove 2 hours.

3. If a module was placed in the circumstance of below 15°C,it should be placed in the circumstance of 15°C~25°C forabove 2 hours or be run for above 5 minutes in an agingenvironment of 60°C.

4. Before an W/B adjustment, TV set should be run for 5minutes at least.

9. Serial Number Download

9-1. Download Procedure(1) Press “Power on” button of a service R/C.(Baud rate :

115200 bps)(2) Connect RS232-C Signal Cable.(3) Write Serial number through RS-232C.(4) Check the serial number at the Diagnostics of ‘SETUP’

menu. (Refer to below).

Caution : Don’t download HDMI/RGB EEPROM to write a modelname. Model name dois unnecessary because thismodel use ‘Tool Option’ to call a model name.

9-2. Signal TABLE

CMD : A0h LENGTH : 85~94h (1~16 bytes)ADH : EEPROM Sub Address high (00~1F)ADL : EEPROM Sub Address low (00~FF)Data : Write dataCS : CMD + LENGTH + ADH + ADL + Data_1 + ... +

Data_nDelay : 20ms

9-3. Command Set[Description]

FOS Default write : <7mode data> writeVtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart,0, PhaseData write : Model Name and Serial Number write inEEPROM,.

10. Check Information (Serial No. & Model name)

(1) Push the menu button in DTV mode.(2) Select the SETUP -> Diagnostics -> To set(3) Check the Serial Numbe

11. SET factoring condition

(1) This Adjustment result is set through factory shipmentmode.

(2) Push the ‘IN-STOP’ button on a service R/C before thefactory shipment and power button mush be pushed.

Caution: If ‘IN-STOP’ button is pushed, preset CH map will belost.

- 10 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 11: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 11 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

TROUBLESHOOTING GUIDE

Page 12: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 12 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 13: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 13 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 14: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 14 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 15: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 15 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 16: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 16 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 17: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 17 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 18: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 18 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 19: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 19 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 20: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 20 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 21: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 21 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

Page 22: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

- 22 - LGE Internal Use OnlyCopyright ©2010 LG Electronics Inc. All rights reserved. Only for training and service purposes

BLOCK DIAGRAM

Page 23: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

200

120

305

300

400

580

301

302

303

30420

2

240

520

207

206

204

203

201

501

590

570

602

601

604

910

900

205

- 23 - LGE Internal Use Only

EXPLODED VIEW

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

IMPORTANT SAFETY NOTICE

Copyright ©2010 LG Electronics Inc. All rights reserved.Only for training and service purposes

A2

A10

A9

LV1

A12

Page 24: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

PCM_A[0]

PCM_A[1]

PCM_A[2]

PCM_A[3]

PCM_A[4]

PCM_A[5]

PCM_A[6]

PCM_A[7]

PCM_A[7]

PCM_A[6]

PCM_A[5]

PCM_A[4]

PCM_A[0]

PCM_A[1]

PCM_A[3]

PCM_A[2]

PCM_A[0-7]

ISP_TXD

USB_DM

USB_DP

+3.3V

PCM_A[0-7]

+3.3V +3.3V

SPI_DI

/PF_CE0

SPI_CS

+3.3V

+3.3VISP_RXD

S6_Reset

Flash_WP_1

S6_Reset

C10510uF 6.3V

AR102

22

AR103

22

/PF_CE0

/PF_CE1

/PF_OE

/PF_WE

PF_WP

PF_ALE

/F_RB

AR101

22

/F_RB

/PF_OE

/PF_WE

/PF_CE1

PF_ALE

PF_WP

PCM_A[0-7]

SPI_CS

SPI_CK

SPI_CK

SPI_DO

+3.3V_ST

SPI_DO

SPI_DI

IR

DISP_EN

Flash_WP_1

ST_AMP_MUTE

AMP_RST

KEY2

KEY1

FE_TS_VAL

FE_TS_SYN

FE_TS_CLK

FE_TS_SERIAL

USB_CTL

PWM1

PWM0

+3.3V

PWM1

PWM0

DBG_RX

+3.3V

+3.3V

SDA1

EEPROM_SCL

EEPROM_SDA

SCL1

XC5000_RESET

/FE_RESET

SUB_SDA

SUB_SCL

RL_ON/PWR_ONOFF

LED_B

+5V_ST

MODULE_ON

COMP2_DET

SIDE_CVBS_DET

AV_DET

AC_DET

COMP1_DET

DSUB_DET

R1931M

R111

3.9K

C114

0.1uF

+5V

EEPROM_SCL

EEPROM_SDA

IC107CAT24WC08W-T

3A2

2A1

4VSS

1A0

5 SDA

6 SCL

7 WP

8 VCC

USB_OCD

R141 22

X10012MHz

5V_HDMI_1

5V_HDMI_2

5V_HDMI_3

R140 22

+3.3V

LED_R

L102

L101

READY

+3.3V_ST

DBG_TX

DBG_RX

MOD_ROM_TX

MOD_ROM_RX

AR171

22

R122433

R123033

R122533

R122633

SB_MUTE

+3.3V

R1287 100 READY

+3.3V

SW100

TMUE312GAB DEBUG

12 4

3

5

C102

4.7uF10V

D100

KDS181

R11610

C10810pF50VREADY

C10710pF50VREADY

R19615KREADY

R19715KREADY

R11562K

DBG_TX

ISP_TXD

AC_DET

+3.3V

C112

18pF

C111

18pF

IC100LGE3369A (SATURN6 NON RM)

LGE3369A

HWRESETD4

PCMD0/CI_D0AC16

PCMD1/CI_D1AA15

PCMD2/CI_D2AA16

PCMD3/CI_D3AC6

PCMD4/CI_D4Y10

PCMD5/CI_D5Y11

PCMD6/CI_D6Y12

PCMD7/CI_D7Y13

PCM_A0/CI_A0AB16

PCM_A1/CI_A1AC15

PCM_A2/CI_A2AC14

PCM_A3/CI_A3AB14

PCM_A4/CI_A4AC12

PCM_A5/CI_A5AB8

PCM_A6/CI_A6AC13

PCM_A7/CI_A7AA9

PCM_A8/CI_A8AB5

PCM_A9/CI_A9AA4

PCM_A10/CI_A10V4

PCM_A11/CI_A11Y4

PCM_A12/CI_A12AB9

PCM_A13/CI_A13AA7

PCM_A14/CI_A14AD6

PCM_RST/CI_RSTAA14

PCM_CD/CI_CDAB18

/PCM_OEY5

PCM_REG/CI_CLKAB15

PCM_WAIT/CI_WACKAA10

/PCM_IRQAAC8

/PCM_WEAC7

PCM_IOWR/CI_WRAA5

PCM_IOR/CI_RDW4

/PCM_CET4

/PF_CE0AE6

/PF_CE1AF6

/PF_OEAA12

/PF_WEAA11

PF_ALEAC9

PF_AD15Y14

F_RBZAB11

UART2_TX/SCKMF8

UART2_RX/SDAMD11

DDCR_DAAB21

DDCR_CKAC21

DDCA_CLKJ1

DDCA_DAJ2

UART_RX2W5

UART_TX2V5

PWM0AB13

PWM1AB12

PWM2AD12

PWM3AA13

SAR0A4

SAR1B4

SAR2F4

SAR3E4

IRINC4

GPIO44AC11

GPIO96D9

GPIO88D10

GPIO90/I2S_OUT_MUTED7

GPIO91E11

GPIO97E8

GPIO98E10

GPIO99D6

GPIO103/I2S_OUT_SD3D5

GPIO102C5

XINB3

XOUTA3

TESTPIN/GNDE6

SPI_DIAE11

SPI_DOAF12

/SPI_CSAE12

SPI_CKAD11

USB_DP_1B5

USB_DM_1A5

USB_DM_2AC10

USB_DP_2AB10

GPIO_PM0/GPIO134E5

GPIO_PM1/GPIO135F5

GPIO_PM2/GPIO136G5

GPIO_PM3/GPIO137H5

GPIO_PM4/GPIO138F6

GPIO_PM5/INT1/GPIO139G6

GPIO_PM6/INT2/GPIO140H6

GPIO131/LDE/SPI_WPn1AC17

GPIO130/LCKAB17

GPIO132/LHSYNC/SPI_WPnAF11

GPIO60/PCM2_RESET/RX1AA18

GPIO62/PCM2_CD_N/TX1AA17

LHSYNC2/I2S_OUT_MUTE/RX1E7

LVSYNC/GPIO133AC18

GPIO79/LVSYNC2/TX1C6

UART2_RX/GPIO84F9

UART2_TX/GPIO85F10

UART1_RX/GPIO86A6

UART1_TX/GPIO87B6

GPIO42/PCM2_CE_NAF5

GPIO43/PCM2_IRQA_NAF10

TS0_D0AA8

TS0_D1Y8

TS0_D2Y9

TS0_D3AB7

TS0_D4AA6

TS0_D5AB6

TS0_D6U4

TS0_D7AC5

TS0_SYNCAC4

TS0_VLDAD5

TS0_CLKAB4

TS1_D0AB19

TS1_SYNCAA20

TS1_VLDAC19

TS1_CLKAA19

ET_TXD0C10

ET_TXD1B11

ET_TX_CLKA9

ET_RXD0C11

ET_RXD1C9

ET_TX_ENB10

ET_MDCA10

ET_MDIOB9

ET_COLA11

GPIO67A7

GPIO68B8

+3.3V

+3.3V

+3.3V

R1237 22

R1257 22

R1235 22

R162 22 R1238 22

R1258 22

R165 22

R190 22

R164 22

R1236 22

R163 22

R187100READY

R182 100 READY

R131 100

R1277100

R114100

R1276100

R192 100

R160100

R1296 100

R1297 100

R159 100

R186 100

R130 100

R1242100

R185 100

R104

10K

R1241

10K

R103

10K

R1298

10K

R19510K

READY

R198 1K

R112

1K

READY

R1200 1K

READY

R1239

1K

R1240

1K

R199 1K

READY

R1051K

READY

R1201 1K

R13427K

R1275

4.7K

READY

R1299

4.7K

READY

R1233

4.7K

R12704.7K

R12684.7K

FHD

R12694.7K

READY

R1202

4.7K

R1205

4.7K

R1204

4.7K

R1104.7K

R12564.7K

R1278

4.7K

R137

4.7K

READY

R1203

4.7K

R1300

4.7K

READY

R12714.7KHD

R1279

4.7K

READY

C103

0.1uF

C104

0.1uF

C1010.1uF

C106 0.1uF

IC102NAND512W3A2CN6E

26NC_17

27NC_18

28NC_19

29I/O0

30I/O1

31I/O2

32I/O3

33NC_20

34NC_21

35NC_22

36VSS_2

37VDD_2

38NC_23

39NC_24

40NC_25

41I/O4

42I/O5

43I/O6

44I/O7

45NC_26

46NC_27

47NC_28

48NC_29

17AL

3NC_3

6NC_6

16CL

15NC_10

14NC_9

13VSS_1

12VDD_1

11NC_8

10NC_7

9E

8R

7RB

4NC_4

5NC_5

25NC_16

24NC_15

23NC_14

2NC_2

22NC_13

21NC_12

1NC_1

20NC_11

19WP

18W

TU_SLEEP_MODE

+3.3V

EEPROM_SCL

EEPROM_SDA

C1000.1uF

PDP_SDA

PDP_SCL

+3.3V

R1294 10K

IC103MX25L4005AM2C-12G

3WP#

2SO

4GND

1CS#

5SI

6SCLK

7HOLD#

8VCC

KEY_BUZZER

IC105M24M01-HRMN6TP

3E2

2E1

4VSS

1NC

5SDA

6SCL

7WP

8VCC

R135

0R133

4.7K

READY

R1283 0

R1286 0

R191 0

R101

1K

R102

1K

C116100pF50V

C117100pF50V

R1060

R124

2K

R125

2K

IC100-*1LGE4369A (SATURN6 NON RM_NON SRS)

LGE4369

HWRESETD4

PCMD0/CI_D0AC16

PCMD1/CI_D1AA15

PCMD2/CI_D2AA16

PCMD3/CI_D3AC6

PCMD4/CI_D4Y10

PCMD5/CI_D5Y11

PCMD6/CI_D6Y12

PCMD7/CI_D7Y13

PCM_A0/CI_A0AB16

PCM_A1/CI_A1AC15

PCM_A2/CI_A2AC14

PCM_A3/CI_A3AB14

PCM_A4/CI_A4AC12

PCM_A5/CI_A5AB8

PCM_A6/CI_A6AC13

PCM_A7/CI_A7AA9

PCM_A8/CI_A8AB5

PCM_A9/CI_A9AA4

PCM_A10/CI_A10V4

PCM_A11/CI_A11Y4

PCM_A12/CI_A12AB9

PCM_A13/CI_A13AA7

PCM_A14/CI_A14AD6

PCM_RST/CI_RSTAA14

PCM_CD/CI_CDAB18

/PCM_OEY5

PCM_REG/CI_CLKAB15

PCM_WAIT/CI_WACKAA10

/PCM_IRQAAC8

/PCM_WEAC7

PCM_IOWR/CI_WRAA5

PCM_IOR/CI_RDW4

/PCM_CET4

/PF_CE0AE6

/PF_CE1AF6

/PF_OEAA12

/PF_WEAA11

PF_ALEAC9

PF_AD15Y14

F_RBZAB11

UART2_TX/SCKMF8

UART2_RX/SDAMD11

DDCR_DAAB21

DDCR_CKAC21

DDCA_CLKJ1

DDCA_DAJ2

UART_RX2W5

UART_TX2V5

PWM0AB13

PWM1AB12

PWM2AD12

PWM3AA13

SAR0A4

SAR1B4

SAR2F4

SAR3E4

IRINC4

GPIO44AC11

GPIO96D9

GPIO88D10

GPIO90/I2S_OUT_MUTED7

GPIO91E11

GPIO97E8

GPIO98E10

GPIO99D6

GPIO103/I2S_OUT_SD3D5

GPIO102C5

XINB3

XOUTA3

TESTPIN/GNDE6

SPI_DIAE11

SPI_DOAF12

/SPI_CSAE12

SPI_CKAD11

USB_DP_1B5

USB_DM_1A5

USB_DM_2AC10

USB_DP_2AB10

GPIO_PM0/GPIO134E5

GPIO_PM1/GPIO135F5

GPIO_PM2/GPIO136G5

GPIO_PM3/GPIO137H5

GPIO_PM4/GPIO138F6

GPIO_PM5/INT1/GPIO139G6

GPIO_PM6/INT2/GPIO140H6

GPIO131/LDE/SPI_WPn1AC17

GPIO130/LCKAB17

GPIO132/LHSYNC/SPI_WPnAF11

GPIO60/PCM2_RESET/RX1AA18

GPIO62/PCM2_CD_N/TX1AA17

LHSYNC2/I2S_OUT_MUTE/RX1E7

LVSYNC/GPIO133AC18

GPIO79/LVSYNC2/TX1C6

UART2_RX/GPIO84F9

UART2_TX/GPIO85F10

UART1_RX/GPIO86A6

UART1_TX/GPIO87B6

GPIO42/PCM2_CE_NAF5

GPIO43/PCM2_IRQA_NAF10

TS0_D0AA8

TS0_D1Y8

TS0_D2Y9

TS0_D3AB7

TS0_D4AA6

TS0_D5AB6

TS0_D6U4

TS0_D7AC5

TS0_SYNCAC4

TS0_VLDAD5

TS0_CLKAB4

TS1_D0AB19

TS1_SYNCAA20

TS1_VLDAC19

TS1_CLKAA19

ET_TXD0C10

ET_TXD1B11

ET_TX_CLKA9

ET_RXD0C11

ET_RXD1C9

ET_TX_ENB10

ET_MDCA10

ET_MDIOB9

ET_COLA11

GPIO67A7

GPIO68B8

IC100-*2LGE4368A (SATURN6 NO-DIVX_NON SRS)

LGE4368

HWRESETD4

PCMD0/CI_D0AC16

PCMD1/CI_D1AA15

PCMD2/CI_D2AA16

PCMD3/CI_D3AC6

PCMD4/CI_D4Y10

PCMD5/CI_D5Y11

PCMD6/CI_D6Y12

PCMD7/CI_D7Y13

PCM_A0/CI_A0AB16

PCM_A1/CI_A1AC15

PCM_A2/CI_A2AC14

PCM_A3/CI_A3AB14

PCM_A4/CI_A4AC12

PCM_A5/CI_A5AB8

PCM_A6/CI_A6AC13

PCM_A7/CI_A7AA9

PCM_A8/CI_A8AB5

PCM_A9/CI_A9AA4

PCM_A10/CI_A10V4

PCM_A11/CI_A11Y4

PCM_A12/CI_A12AB9

PCM_A13/CI_A13AA7

PCM_A14/CI_A14AD6

PCM_RST/CI_RSTAA14

PCM_CD/CI_CDAB18

/PCM_OEY5

PCM_REG/CI_CLKAB15

PCM_WAIT/CI_WACKAA10

/PCM_IRQAAC8

/PCM_WEAC7

PCM_IOWR/CI_WRAA5

PCM_IOR/CI_RDW4

/PCM_CET4

/PF_CE0AE6

/PF_CE1AF6

/PF_OEAA12

/PF_WEAA11

PF_ALEAC9

PF_AD15Y14

F_RBZAB11

UART2_TX/SCKMF8

UART2_RX/SDAMD11

DDCR_DAAB21

DDCR_CKAC21

DDCA_CLKJ1

DDCA_DAJ2

UART_RX2W5

UART_TX2V5

PWM0AB13

PWM1AB12

PWM2AD12

PWM3AA13

SAR0A4

SAR1B4

SAR2F4

SAR3E4

IRINC4

GPIO44AC11

GPIO96D9

GPIO88D10

GPIO90/I2S_OUT_MUTED7

GPIO91E11

GPIO97E8

GPIO98E10

GPIO99D6

GPIO103/I2S_OUT_SD3D5

GPIO102C5

XINB3

XOUTA3

TESTPIN/GNDE6

SPI_DIAE11

SPI_DOAF12

/SPI_CSAE12

SPI_CKAD11

USB_DP_1B5

USB_DM_1A5

USB_DM_2AC10

USB_DP_2AB10

GPIO_PM0/GPIO134E5

GPIO_PM1/GPIO135F5

GPIO_PM2/GPIO136G5

GPIO_PM3/GPIO137H5

GPIO_PM4/GPIO138F6

GPIO_PM5/INT1/GPIO139G6

GPIO_PM6/INT2/GPIO140H6

GPIO131/LDE/SPI_WPn1AC17

GPIO130/LCKAB17

GPIO132/LHSYNC/SPI_WPnAF11

GPIO60/PCM2_RESET/RX1AA18

GPIO62/PCM2_CD_N/TX1AA17

LHSYNC2/I2S_OUT_MUTE/RX1E7

LVSYNC/GPIO133AC18

GPIO79/LVSYNC2/TX1C6

UART2_RX/GPIO84F9

UART2_TX/GPIO85F10

UART1_RX/GPIO86A6

UART1_TX/GPIO87B6

GPIO42/PCM2_CE_NAF5

GPIO43/PCM2_IRQA_NAF10

TS0_D0AA8

TS0_D1Y8

TS0_D2Y9

TS0_D3AB7

TS0_D4AA6

TS0_D5AB6

TS0_D6U4

TS0_D7AC5

TS0_SYNCAC4

TS0_VLDAD5

TS0_CLKAB4

TS1_D0AB19

TS1_SYNCAA20

TS1_VLDAC19

TS1_CLKAA19

ET_TXD0C10

ET_TXD1B11

ET_TX_CLKA9

ET_RXD0C11

ET_RXD1C9

ET_TX_ENB10

ET_MDCA10

ET_MDIOB9

ET_COLA11

GPIO67A7

GPIO68B8

USB

Serial FLASH MEMORYfor BOOT

NAND FLASH MEMORY

10 : BOOT 5111 : BOOT RISC

MCU BOOT STRAP

1 10FLASH/NVRAM/GPIO

MSD3368EV Platform

/PF_CE0H : Serial FlashL : NAND Flash/PF_CE1H : 16 bitL : 8 bit

PM GPIO Assignment Recommended by MStar

HDCP EEPROM

5V Tolerance

09/11/17

H/W Version Opiton(F9)

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 25: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

AV IN_OUT/LVDS/POWER

TUNER_CVBS

AV_CVBS_IN

COMP1_RIN

COMP1_LIN

SPDIF_OUT

SIDE_CVBS_IN

C230 2.2uF

C229 2.2uF

DSUB_HSYNC

DSUB_VSYNC

R229 390

1%Check

C227 1uF

MS_LRCK

MS_LRCH

AUDIO_MASTER_CLK

MS_SCK

TP203

+3.3V

HDMI_CEC

RXE0+

RXE0-

RXE1+

RXE1-

RXE2+

RXE2-

RXE3-

RXE4-

RXE3+

RXE4+

RXECK-

RXECK+

RXO1-

RXO0+

RXO2-

RXO0-

RXO3-

RXO1+

RXO4-

RXOCK+

RXO3+

RXO2+

RXO4+

RXOCK-

+3.3V_AVDD

+1.8V_DDR

+3.3V

+3.3V_AVDD

+3.3V

+3.3V

+3.3V

+3.3V_VDDP +3.3V

+1.8V_DDR

C2006 2.2uF

C2007 2.2uF

+3.3V_AVDD_MPLL

+1.26V_VDDC

+1.26V_VDDC

+3.3V_VDDPC2008 2.2uF

C2009 2.2uFSIDE_LIN

SIDE_RIN

C2011 2.2uF

C2012 2.2uF

C2013 2.2uF

C2014 2.2uF

C2015 2.2uF

C2016 2.2uF

C228 4.7uF

COMP1_Pr

COMP1_Y

COMP1_Pb

COMP2_Y

COMP2_Pr

COMP2_Pb

AV_LIN

AV_RIN

COMP2_LIN

COMP2_RIN

PC_LIN

PC_RIN

DSUB_G

DSUB_B

DSUB_R

C233

0.1uF

C234

0.1uF

C223 0.1uF

C235

0.1uF

C226 0.1uF

C224 0.1uF

C2530.1uF

C2770.1uF

C2660.1uF

C2450.1uF

C2570.1uF

C2460.1uF

C2500.1uF

C2910.1uF

C2580.1uF

C20260.1uF

C20050.1uF

C20040.1uF

C2640.1uF

C20030.1uF

C2590.1uF

C2830.1uF

C2480.1uF

C2750.1uF

C2960.1uF

C20000.1uF

C2810.1uF

C284

0.1uF

C293

0.1uF

C285

0.1uF

C286

0.1uF

C273

0.1uF

C262

0.1uF

C269

0.1uF

C2630.1uF

C288

0.1uF

C255

0.1uF

C279

0.1uF

C256

0.1uF

C287

0.1uF

C292

0.1uF

C272

0.1uF

R204 100

R211 47

R212 47

R213 47

R216 47

R217 47

R215 47

R205 47

R226 47

R220 47

R207 47

R206 47

R219 47

R222 47

R227 47

R208 47

R223 47

R236 47

R224 47

R218 47

R235 47

R209 100

R246 22

R245 22

C216 0.047uF

C210 0.047uF

C2024 0.047uF

C211 0.047uF

C218 0.047uF

C222 0.047uF

C214 0.047uF

C2019 0.047uF

C220 0.047uF

C215 0.047uF

C217 0.047uF

C213 0.047uF

C221 0.047uF

C207 0.047uF

C212 0.047uF

C219 0.047uF

C200 0.047uF

C206 0.047uF

C204 0.047uF

C205 0.047uF

C202 0.047uF

C201 0.047uF

R231 22

C232 0.1uF

C231 0.1uFL209

MLB-201209-0120P-N2

L202MLB-201209-0120P-N2

L206MLB-201209-0120P-N2

L210MLB-201209-0120P-N2

L207MLB-201209-0120P-N2

L205MLB-201209-0120P-N2

L208

MLB-201209-0120P-N2

R24410K

R242 47

C202510uF6.3V

C2030

0.1uF

C225 10uF

D2-_HDMI3

D2+_HDMI3

D0+_HDMI3

D1+_HDMI3

DDC_SCL_3

CK+_HDMI3

HPD3

D1-_HDMI3

CK-_HDMI3

D0-_HDMI3

DDC_SDA_3

+1.26V_VDDC

C20320.1uF

C20330.1uF

C20340.1uF

C20350.1uF

C20360.1uF

C20370.1uF

C20380.1uF

C20390.1uF

C20400.1uF

C20410.1uF

C242

0.1uF

C241

0.1uF

ST_AMP_MUTE

AMP_MUTE

SB_MUTE

D201ENKMC2838-T112

A1

C

A2

R221 470

R214 470

R225 470 C209 1000pF

C203 1000pF

C208 1000pF

TUNER_SIF

C20432.2uF10V

C204410uF6.3V

LGE3369A (SATURN6 NON RM)IC100

RXACKPF1

RXACKNF2

RXA0PG2

RXA0NG3

RXA1PH3

RXA1NG1

RXA2PH1

RXA2NH2

DDCD_A_DAA1

DDCD_A_CKB2

HOTPLUG_AA2

RXBCKPC3

RXBCKNB1

RXB0PC1

RXB0NC2

RXB1PD2

RXB1ND3

RXB2PE3

RXB2ND1

DDCD_B_DAE1

DDCD_B_CKF3

HOTPLUG_BE2

RXCCKPAE8

RXCCKNAD8

RXC0PAD9

RXC0NAF8

RXC1PAF9

RXC1NAE9

RXC2PAE10

RXC2NAD10

DDCD_C_DAAE7

DDCD_C_CKAF7

HOTPLUG_CAD7

CECJ3

HSYNC0/SC1_IDN2

VSYNC0/SC1_FBN1

RIN0P/SC1_RP2

GIN0P/SC1_GR3

BIN0P/SC1_BR1

SOGIN0/SC1_CVBSP3

RINMP1

BINMT3

GINMR2

HSYNC1/DSUB_HSYNCK3

VSYNC1/DSUB_VSYNCK2

RIN1P/DSUB_RL1

GIN1P/DSUB_GL3

BIN1P/DSUB_BK1

SOGIN1L2

RIN2P/COMP_PR+V1

GIN2P/COMP_Y+V2

BIN2P/COMP_PB+U1

SOGIN2V3

VSYNC2J5

CVBS1/SC1_CVBSU3

CVBS2/SC2_CVBSU2

CVBS3/SIDE_CVBST1

VCOM1T2

CVBS4/S-VIDEO_YM1

CVBS6/S-VIDEO_CM2

CVBS5N3

CVBS7M3

CVBS0/RF_CVBSW1

VCOM0Y3

CVBSOUT0/SC2_MNTOUTY2

CVBSOUT1AA2

LVA0PAE16

LVA0MAD16

LVA1PAD15

LVA1MAF16

LVA2PAF15

LVA2MAE15

LVA3PAD13

LVA3MAF14

LVA4PAF13

LVA4MAE13

LVACKPAE14

LVACKMAD14

LVB0PAE20

LVB0MAD20

LVB1PAD19

LVB1MAF20

LVB2PAF19

LVB2MAE19

LVB3PAD17

LVB3MAF18

LVB4PAF17

LVB4MAE17

LVBCKPAE18

LVBCKMAD18

AUR0AA3

AUL0Y1

AUR1AE1

AUL1AF3

AUR2AE3

AUL2 AE2

AUR3AA1

AUL3AB1

AUR4AB2

AUL4AC2

AUR5AB3

AUL5AC3

SIF0PW3

SIF0MW2

SPDIF_INF11

SPDIF_OUTE9

AUOUTR0/HP_ROUTAF1

AUOUTL0/HP_LOUTAF2

AUOUTR1/SC1_ROUTAD3

AUOUTL1/SC1_LOUTAD1

AUOUTR2/SC2_ROUTAC1

AUOUTL2/SC2_LOUTAD2

I2S_OUT_MCKA8

I2S_OUT_WSB7

I2S_OUT_BCKC7

I2S_OUT_SDD8

I2S_IN_SDC8

VCLAMPK4

REFPH4

REFMJ4

REXTG4

AUCOMAE5

AUVRMAE4

AUVRPAF4

AUVAGAD4

IC100LGE3369A (SATURN6 NON RM)

VDDC_1 D16

VDDC_2 D17

VDDC_3 D18

VDDC_4 D19

VDDC_5 D20

VDDC_6 H18

VDDC_7 H19

VDDC_8 H20

VDDC_9 J20

VDDC_10 K20

VDDC_11 L20

VDDC_12 M20

VDDC_13 P7

VDDC_14 R7

VDDC_15 T7

VDDC_16T22

VDDC_17U7

VDDC_18U20

VDDC_19U22

VDDC_20V7

VDDC_21V22

VDDC_22W11

VDDC_23W12

VDDC_24W19

VDDC_25W20

VDDC_26W22

VDDC_27Y22

VDDP_1H9

VDDP_2H10

VDDP_3H11

VDDP_4H12

VDDP_5N20

VDDP_6P20

VDDP_7W9

VDDP_8W10

AVDD_AUW7

AVDD_DDR_1G12

AVDD_DDR_2G13

AVDD_DDR_3H13

AVDD_DDR_4H14

AVDD_DDR_5H15

AVDD_DDR_6H16

AVDD_DDR_7W14

AVDD_DDR_8W15

AVDD_DDR_9W16

AVDD_DDR_10W17

AVDD_DDR_11W18

AVDD_MEMPLL_1H17

AVDD_MEMPLL_2T20

AVDD_MEMPLL_3V20

AVDD_LPLLR20

AVDD_MPLLH7

AVDD_33_1J7

AVDD_33_2K7

AVDD_33_3L7

AVDD_33_4M7

AVDD_33_5N7

AVDD_DMW8

AVDD_USBH8

GND_2E16

GND_3E17

GND_4E18

GND_5F7

GND_6L9

GND_7L10

GND_8L11

GND_9L12

GND_10L13

GND_11L14

GND_12L15

GND_13L16

GND_14L17

GND_15L18

GND_16M9

GND_17M10

GND_18M11

GND_19M12

GND_20M13

GND_21M14

GND_22M15

GND_23M16

GND_24M17

GND_25M18

GND_26N4

GND_27N9

GND_28N10

GND_29N11

GND_30N12

GND_31N13

GND_32N14

GND_33N15

GND_34N16

GND_35N17

GND_36N18

GND_37P4

GND_38P9

GND_39P10

GND_40P11

GND_41P12

GND_42P13

GND_43P14

GND_44P15

GND_45P16

GND_46P17

GND_47P18

GND_48R4

GND_49R9

GND_50R10

GND_51R11

GND_52R12

GND_53R13

GND_54R14

GND_55R15

GND_56R16

GND_57R17

GND_58R18

GND_59T5

GND_60T9

GND_61T10

GND_62T11

GND_63T12

GND_64T13

GND_65T14

GND_66T15

GND_67T16

GND_68T17

GND_69T18

GND_70U5

GND_71W13

GND_72Y21

GND_73AA23

D1+_HDMI2

CK+_HDMI2

DDC_SDA_2

D2-_HDMI2

D1-_HDMI2

D0+_HDMI2

D0-_HDMI2

DDC_SCL_2

HPD2

D2+_HDMI2

CK-_HDMI2

D1-_HDMI1

D0+_HDMI1

HPD1

CK-_HDMI1

DDC_SDA_1

D0-_HDMI1

D2-_HDMI1

DDC_SCL_1

D2+_HDMI1

CK+_HDMI1

D1+_HDMI1

R232 22

R234 22

R233 22

R241 47

R228 100

R230 100

R279 100

R24310K PSU_ERR_DET

R282 0

C240470uF16V

C2048470uF16V

R203 1K

R258 1K

R285 1K

C23622pF

READY

C23822pFREADY

C23722pF

READY

C23922pF

READY

2 10AV IN_OUT/LVDS/POWER

MSD3368EV Platform

Close to ICas close as possible

COMP1

DSUB

CVBS

TV/MNT

HDMI

COMP2

AUDIO IN

LVDS OUT

AUDIO OUT

Audio Mute

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 26: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

DDR2

SDDR_A[12]

SDDR_A[11]

SDDR_A[10]

SDDR_A[9]

SDDR_A[0]

SDDR_A[1]

SDDR_A[2]

SDDR_A[3]

SDDR_A[4]

SDDR_A[5]

SDDR_A[6]

SDDR_A[7]

SDDR_A[8]

SDDR_A[1]

SDDR_A[10]

SDDR_A[12]

SDDR_A[7]

SDDR_A[0]

SDDR_A[2]

SDDR_A[4]

SDDR_A[6]

SDDR_A[11]

SDDR_A[8]

TDDR_A[4]

TDDR_A[11]

TDDR_A[3]

TDDR_A[10]

TDDR_A[12]

TDDR_A[2]

TDDR_A[5]

TDDR_A[8]

TDDR_A[1]

TDDR_A[0-12]

TDDR_A[1]

TDDR_A[4]

TDDR_A[3]

TDDR_A[11]

TDDR_A[5]TDDR_A[12]TDDR_A[6]

TDDR_A[2]TDDR_A[10]

TDDR_A[0]

TDDR_A[8]

TDDR_A[9]

TDDR_A[7]

TDDR_A[0]

TDDR_A[6]

TDDR_A[9]

SDDR_D[10]

SDDR_D[11]

SDDR_D[12]

SDDR_D[10]

SDDR_D[8]

SDDR_D[3]

SDDR_D[8]

SDDR_D[1]

SDDR_D[9]

SDDR_D[4]

SDDR_D[3]

SDDR_D[5]

SDDR_D[1]

SDDR_D[6]

SDDR_D[2]

SDDR_D[4]

SDDR_D[14]

SDDR_D[15]

SDDR_D[6]

SDDR_D[9]

SDDR_D[7]

SDDR_D[0]

SDDR_D[13]

SDDR_D[5]

SDDR_D[2]

SDDR_D[0]

SDDR_D[12]

SDDR_D[13]

SDDR_D[14]

SDDR_D[15]

SDDR_D[7]

SDDR_D[11]

TDDR_D[2]

TDDR_D[6]

TDDR_D[1]

TDDR_D[5]

TDDR_D[11]

TDDR_D[3]

TDDR_D[7]

TDDR_D[4]

TDDR_D[9]

TDDR_D[1]

TDDR_D[8]

TDDR_D[3]

TDDR_D[8]

TDDR_D[10]

TDDR_D[12]

TDDR_D[11]

TDDR_D[15]

TDDR_D[10]

TDDR_D[14]

TDDR_D[13]

TDDR_D[12]

TDDR_D[0]

TDDR_D[2]

TDDR_D[5]

TDDR_D[13]

TDDR_D[0]

TDDR_D[7]

TDDR_D[9]

TDDR_D[6]

TDDR_D[15]

TDDR_D[14]

TDDR_D[4]

SDDR_BA[0]

SDDR_BA[1]

ADDR2_BA[2]

/ADDR2_MCLK

SDDR_CKE ADDR2_CKE

/SDDR_CK

SDDR_CK

/SDDR_RAS

/SDDR_CAS

/SDDR_WE

SDDR_DQS1_P

SDDR_DQS0_P

SDDR_DQM1_P

SDDR_DQM0_P

SDDR_DQS1_N

SDDR_DQS0_N

/ADDR2_RAS

ADDR2_ODT

/ADDR2_CAS

/ADDR2_WE

ADDR2_DQS1_P

ADDR2_DQS0_P

ADDR2_DQM1_P

ADDR2_DQM0_P

ADDR2_DQS0_N

ADDR2_DQS1_N

BDDR2_DQM0_P

BDDR2_DQS1_P

BDDR2_ODT

BDDR2_DQS0_N

BDDR2_DQS0_P

BDDR2_MCLK

BDDR2_DQS1_N

BDDR2_DQM1_P

TDDR_BA[1]

TDDR_BA[0]BDDR2_BA[0]

BDDR2_BA[1]

/BDDR2_MCLK

SDDR_A[3]

SDDR_A[0-12]

ADDR2_A[0-12]

ADDR2_A[0]

ADDR2_A[1]

ADDR2_A[3]

ADDR2_A[2]

ADDR2_A[5]

ADDR2_A[7]

ADDR2_A[6]

ADDR2_A[4]

ADDR2_A[9]

ADDR2_A[8]

ADDR2_A[10]

ADDR2_A[11]

ADDR2_A[12]

ADDR2_A[3]

ADDR2_A[1]

ADDR2_A[10]

ADDR2_A[9]

ADDR2_A[12]

ADDR2_A[7]

ADDR2_A[0]

ADDR2_A[2]

ADDR2_A[4]

ADDR2_A[6]

ADDR2_A[11]

ADDR2_A[8]

ADDR2_BA[0]

ADDR2_BA[1]

ADDR2_MCLK

BDDR2_A[0-12]

BDDR2_A[0]

BDDR2_A[1]

BDDR2_A[2]

BDDR2_A[3]

BDDR2_A[4]

BDDR2_A[5]

BDDR2_A[6]

BDDR2_A[7]

BDDR2_A[8]

BDDR2_A[9]

BDDR2_A[10]

BDDR2_A[11]

BDDR2_A[12]

BDDR2_A[9]

BDDR2_A[3]

BDDR2_A[1]

BDDR2_A[10]

BDDR2_A[5]

BDDR2_A[12]

BDDR2_A[0]

BDDR2_A[2]

BDDR2_A[4]

BDDR2_A[6]

BDDR2_A[11]

BDDR2_A[8]

BDDR2_CKE

/BDDR2_RAS

/BDDR2_CAS

/BDDR2_WE

ADDR2_D[0-15]

ADDR2_D[0]

ADDR2_D[1]

ADDR2_D[3]

ADDR2_D[2]

ADDR2_D[5]

ADDR2_D[4]

ADDR2_D[6]

ADDR2_D[7]

ADDR2_D[12]

ADDR2_D[9]

ADDR2_D[8]

ADDR2_D[14]

ADDR2_D[10]

ADDR2_D[15]

ADDR2_D[11]

ADDR2_D[13]

ADDR2_D[11]

ADDR2_D[12]

ADDR2_D[4]

ADDR2_D[3]

ADDR2_D[1]

ADDR2_D[6]

ADDR2_D[9]

ADDR2_D[14]

ADDR2_D[15]

ADDR2_D[13]

ADDR2_D[10]

ADDR2_D[8]

ADDR2_D[5]

ADDR2_D[7]

ADDR2_D[2]

ADDR2_D[0]

SDDR_D[0-15]

BDDR2_D[0-15]

BDDR2_D[0]

BDDR2_D[1]

BDDR2_D[2]

BDDR2_D[3]

BDDR2_D[6]

BDDR2_D[4]

BDDR2_D[7]

BDDR2_D[5]

BDDR2_D[10]

BDDR2_D[8]

BDDR2_D[12]

BDDR2_D[14]

BDDR2_D[15]

BDDR2_D[11]

BDDR2_D[9]

BDDR2_D[13]

BDDR2_D[11]

BDDR2_D[12]

BDDR2_D[14]

BDDR2_D[9]

BDDR2_D[13]

BDDR2_D[10]

BDDR2_D[8]

BDDR2_D[15]

BDDR2_D[4]

BDDR2_D[3]

BDDR2_D[1]

BDDR2_D[6]

BDDR2_D[7]

BDDR2_D[5]

BDDR2_D[0]

BDDR2_D[2]

TDDR_D[0-15]

SDDR_A[9]

SDDR_A[5] ADDR2_A[5]

BDDR2_A[7] TDDR_A[7]

SDDR_ODT

SDDR_BA[2]

TDDR_CKE

TDDR_DQS0_N

TDDR_ODT

/TDDR_RAS

/TDDR_CAS

TDDR_DQM0_P

TDDR_DQS0_P

TDDR_DQM1_P

TDDR_DQS1_P

TDDR_DQS1_N

/TDDR_WE

+1.8V_DDR

C3230.1uF

+1.8V_S_DDR+1.8V_S_DDR

+1.8V_S_DDR

+1.8V_S_DDR

+1.8V_S_DDR

AR300

56

AR301

56

AR302

56

AR303

56

AR305

56

AR304

56

AR306

56

AR308

56

AR307

56

AR309

56

AR310

56

AR312

56

AR311

56

AR313

56

R30622

R30722R300

150

READY

R344

150

READY

R331 22

R330 22

+1.8V_S_DDR

+1.8V_S_DDR

R31356

R31756

R31656

R342 56

R338 56R31456

R340 56

R341 56

R339 56

R337 56

R31856

R31556

+1.8V_S_DDR+1.8V_S_DDR

C300

1000pF

C301

0.1uF

C305

0.1uF

C337

0.1uF

C331

0.1uF

C315

0.1uF

C341

0.1uF

C332

0.1uF

C328

0.1uF

C317

0.1uF

C304

0.1uF

C325

0.1uF

C327

0.1uF

C307

0.1uF

C326

0.1uF

C310

0.1uF

C320

0.1uF

C334

0.1uF

C319

0.1uF

C342

0.1uF

C318

0.1uF

C330

0.1uF

C336

0.1uF

C338

0.1uF

C313

0.1uF

C316

0.1uF

C308

0.1uF

C339

0.1uF

C312

0.1uF

C340

0.1uF

C306

0.1uF

C309

0.1uF

C311 1000pF

R301

1K

1%

R302

1K1%

R30556

R30456

R30356

R30856

R30956

R31256

R31156

R31056

R319 56

R320 56

R321

1K1%

R322

1K

1%

R327 56

R333 56

R325 56

R334 56

R336 56

R326 56

R328 56

R332 56

R335 56

R346 4.7KREADY

R347 4.7KREADY R349 4.7K

READYR348 4.7KREADY

C329

10uF

C324

10uF

C314

10uF

C303

10uFC302

0.1uF

C3330.1uF

C3351000pF

R343

1K

1%

R345

1K 1%

R3510READY

+1.8V_S_DDR

L300MLB-201209-0120P-N2

IC300

HYB18TC1G160C2F-2.5

QIMONDA 1G

J2 VREF

J8 CK

H2VSSQ2

B7 UDQS

N8 A4

P8 A8

L1 BA2

L2 BA0

R8 NC3

K7 RAS

F8VSSQ3

F3 LDM

P3 A9

M3 A1

N3 A5

K8 CK

R3 NC4

L3 BA1

J7 VSSDL

L7 CAS

F2VSSQ4

B3 UDM

M2 A10/AP

K2 CKE

R7 NC5

M7 A2

N7 A6

M8 A0

J1 VDDL

K3 WE

E8 LDQS

P7 A11

K9 ODT

A2 NC1

N2 A3

P2 A7

H8VSSQ1

F7 LDQS

A8 UDQS

R2 A12

L8 CS

E2 NC2

E7VSSQ5D8VSSQ6D2VSSQ7A7VSSQ8B8VSSQ9B2VSSQ10

P9VSS1N1VSS2J3VSS3E3VSS4A3VSS5

G9VDDQ1G7VDDQ2G3VDDQ3G1VDDQ4E9VDDQ5C9VDDQ6C7VDDQ7C3VDDQ8C1VDDQ9A9VDDQ10

R1VDD1M9VDD2J9VDD3E1VDD4A1VDD5

B9DQ15B1DQ14D9DQ13D1DQ12D3DQ11D7DQ10C2DQ9C8DQ8F9DQ7F1DQ6H9DQ5H1DQ4H3DQ3H7DQ2G2DQ1G8DQ0

IC301

HYB18TC512160B2F-2.5

QIMONDA 512M

J2VREF

J8CK

H2 VSSQ2

B7UDQS

N8A4

P8A8

L1NC4

L2BA0

R8NC3

K7RAS

F8 VSSQ3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ4

B3UDM

M2A10/AP

K2CKE

R7NC6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC1

N2A3

P2A7

H8 VSSQ1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC2

E7 VSSQ5D8 VSSQ6D2 VSSQ7A7 VSSQ8B8 VSSQ9B2 VSSQ10

P9 VSS1N1 VSS2J3 VSS3E3 VSS4A3 VSS5

G9 VDDQ1G7 VDDQ2G3 VDDQ3G1 VDDQ4E9 VDDQ5C9 VDDQ6C7 VDDQ7C3 VDDQ8C1 VDDQ9A9 VDDQ10

R1 VDD1M9 VDD2J9 VDD3E1 VDD4A1 VDD5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC100

LGE3369A (Saturn6 Non RM)

B_DDR2_A0T26

B_DDR2_A1AF26

B_DDR2_A2T25

B_DDR2_A3AF23

B_DDR2_A4T24

B_DDR2_A5AE23

B_DDR2_A6R26

B_DDR2_A7AD22

B_DDR2_A8R25

B_DDR2_A9AC22

B_DDR2_A10AD23

B_DDR2_A11R24

B_DDR2_A12AE22

B_DDR2_BA0AC23

B_DDR2_BA1AC24

B_DDR2_BA2AB22

B_DDR2_MCLKV25

/B_DDR2_MCLKV24

B_DDR2_CKEAB23

B_DDR2_ODTU26

/B_DDR2_RASU25

/B_DDR2_CASU24

/B_DDR2_WEAB24

B_DDR2_DQS0AB26

B_DDR2_DQS1AA26

B_DDR2_DQM0AC25

B_DDR2_DQM1AC26

B_DDR2_DQSB0AB25

B_DDR2_DQSB1AA25

B_DDR2_DQ0W25

B_DDR2_DQ1AE26

B_DDR2_DQ2W24

B_DDR2_DQ3AF24

B_DDR2_DQ4AF25

B_DDR2_DQ5V26

B_DDR2_DQ6AE25

B_DDR2_DQ7W26

B_DDR2_DQ8Y26

B_DDR2_DQ9AD25

B_DDR2_DQ10Y25

B_DDR2_DQ11AE24

B_DDR2_DQ12AD26

B_DDR2_DQ13Y24

B_DDR2_DQ14AD24

B_DDR2_DQ15AA24

A_MVREFD15

A_DDR2_A0C13

A_DDR2_A1A22

A_DDR2_A2B13

A_DDR2_A3C22

A_DDR2_A4A13

A_DDR2_A5A23

A_DDR2_A6C12

A_DDR2_A7B23

A_DDR2_A8B12

A_DDR2_A9C23

A_DDR2_A10B22

A_DDR2_A11A12

A_DDR2_A12A24

A_DDR2_BA0C24

A_DDR2_BA1B24

A_DDR2_BA2D24

A_DDR2_MCLKB14

/A_DDR2_MCLKA14

A_DDR2_CKED23

A_DDR2_ODTD14

/A_DDR2_RASD13

/A_DDR2_CASD12

/A_DDR2_WED22

A_DDR2_DQS0B18

A_DDR2_DQS1C17

A_DDR2_DQM0C18

A_DDR2_DQM1A19

A_DDR2_DQSB0A18

A_DDR2_DQSB1B17

A_DDR2_DQ0B15

A_DDR2_DQ1A21

A_DDR2_DQ2A15

A_DDR2_DQ3B21

A_DDR2_DQ4C21

A_DDR2_DQ5C14

A_DDR2_DQ6C20

A_DDR2_DQ7C15

A_DDR2_DQ8C16

A_DDR2_DQ9C19

A_DDR2_DQ10B16

A_DDR2_DQ11B20

A_DDR2_DQ12A20

A_DDR2_DQ13A16

A_DDR2_DQ14B19

A_DDR2_DQ15A17

IC300-*1

HY5PS1G1631CFP-S6

HYNIX 1G

J2VREF

J8CK

H2 VSSQ2

B7UDQS

N8A4

P8A8

L1BA2

L2BA0

R8NC3

K7RAS

F8 VSSQ3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ4

B3UDM

M2A10/AP

K2CKE

R7NC6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC1

N2A3

P2A7

H8 VSSQ1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC2

E7 VSSQ5D8 VSSQ6D2 VSSQ7A7 VSSQ8B8 VSSQ9B2 VSSQ10

P9 VSS1N1 VSS2J3 VSS3E3 VSS4A3 VSS5

G9 VDDQ1G7 VDDQ2G3 VDDQ3G1 VDDQ4E9 VDDQ5C9 VDDQ6C7 VDDQ7C3 VDDQ8C1 VDDQ9A9 VDDQ10

R1 VDD1M9 VDD2J9 VDD3E1 VDD4A1 VDD5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC301-*1

H5PS5162FFR-S6C

HYNIX 512M

J2VREF

J8CK

H2 VSSQ2

B7UDQS

N8A4

P8A8

L1NC4

L2BA0

R8NC3

K7RAS

F8 VSSQ3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ4

B3UDM

M2A10/AP

K2CKE

R7NC6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC1

N2A3

P2A7

H8 VSSQ1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC2

E7 VSSQ5D8 VSSQ6D2 VSSQ7A7 VSSQ8B8 VSSQ9B2 VSSQ10

P9 VSS1N1 VSS2J3 VSS3E3 VSS4A3 VSS5

G9 VDDQ1G7 VDDQ2G3 VDDQ3G1 VDDQ4E9 VDDQ5C9 VDDQ6C7 VDDQ7C3 VDDQ8C1 VDDQ9A9 VDDQ10

R1 VDD1M9 VDD2J9 VDD3E1 VDD4A1 VDD5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC300-*2

EDE1116AEBG-8E-F

ELPIDA 1G

J2VREF

J8CK

H2 VSSQ_2

B7UDQS

N8A4

P8A8

L1BA2

L2BA0

R8NC_3

K7RAS

F8 VSSQ_3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC_5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ_4

B3UDM

M2A10

K2CKE

R7NC_6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC_1

N2A3

P2A7

H8 VSSQ_1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC_2

E7 VSSQ_5D8 VSSQ_6D2 VSSQ_7A7 VSSQ_8B8 VSSQ_9B2 VSSQ_10

P9 VSS_1N1 VSS_2J3 VSS_3E3 VSS_4A3 VSS_5

G9 VDDQ_1G7 VDDQ_2G3 VDDQ_3G1 VDDQ_4E9 VDDQ_5C9 VDDQ_6C7 VDDQ_7C3 VDDQ_8C1 VDDQ_9A9 VDDQ_10

R1 VDD_1M9 VDD_2J9 VDD_3E1 VDD_4A1 VDD_5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC301-*2

EDE5116AJBG-8E-E

ELPIDA 512M

J2VREF

J8CK

H2 VSSQ_2

B7UDQS

N8A4

P8A8

L1NC_4

L2BA0

R8NC_3

K7RAS

F8 VSSQ_3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC_5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ_4

B3UDM

M2A10

K2CKE

R7NC_6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC_1

N2A3

P2A7

H8 VSSQ_1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC_2

E7 VSSQ_5D8 VSSQ_6D2 VSSQ_7A7 VSSQ_8B8 VSSQ_9B2 VSSQ_10

P9 VSS_1N1 VSS_2J3 VSS_3E3 VSS_4A3 VSS_5

G9 VDDQ_1G7 VDDQ_2G3 VDDQ_3G1 VDDQ_4E9 VDDQ_5C9 VDDQ_6C7 VDDQ_7C3 VDDQ_8C1 VDDQ_9A9 VDDQ_10

R1 VDD_1M9 VDD_2J9 VDD_3E1 VDD_4A1 VDD_5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC300-*3

K4T1G164QE-HCE7

SS 1G

J2VREF

J8CK

H2 VSSQ_2

B7UDQS

N8A4

P8A8

L1BA2

L2BA0

R8NC_3

K7RAS

F8 VSSQ_3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC_5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ_4

B3UDM

M2A10/AP

K2CKE

R7NC_6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC_1

N2A3

P2A7

H8 VSSQ_1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC_2

E7 VSSQ_5D8 VSSQ_6D2 VSSQ_7A7 VSSQ_8B8 VSSQ_9B2 VSSQ_10

P9 VSS_1N1 VSS_2J3 VSS_3E3 VSS_4A3 VSS_5

G9 VDDQ_1G7 VDDQ_2G3 VDDQ_3G1 VDDQ_4E9 VDDQ_5C9 VDDQ_6C7 VDDQ_7C3 VDDQ_8C1 VDDQ_9A9 VDDQ_10

R1 VDD_1M9 VDD_2J9 VDD_3E1 VDD_4A1 VDD_5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

IC301-*3

K4T51163QG-HCE7

SS 512M

J2VREF

J8CK

H2 VSSQ_2

B7UDQS

N8A4

P8A8

L1NC_4

L2BA0

R8NC_3

K7RAS

F8 VSSQ_3

F3LDM

P3A9

M3A1

N3A5

K8CK

R3NC_5

L3BA1

J7VSSDL

L7CAS

F2 VSSQ_4

B3UDM

M2A10/AP

K2CKE

R7NC_6

M7A2

N7A6

M8A0

J1VDDL

K3WE

E8LDQS

P7A11

K9ODT

A2NC_1

N2A3

P2A7

H8 VSSQ_1

F7LDQS

A8UDQS

R2A12

L8CS

E2NC_2

E7 VSSQ_5D8 VSSQ_6D2 VSSQ_7A7 VSSQ_8B8 VSSQ_9B2 VSSQ_10

P9 VSS_1N1 VSS_2J3 VSS_3E3 VSS_4A3 VSS_5

G9 VDDQ_1G7 VDDQ_2G3 VDDQ_3G1 VDDQ_4E9 VDDQ_5C9 VDDQ_6C7 VDDQ_7C3 VDDQ_8C1 VDDQ_9A9 VDDQ_10

R1 VDD_1M9 VDD_2J9 VDD_3E1 VDD_4A1 VDD_5

B9 DQ15B1 DQ14D9 DQ13D1 DQ12D3 DQ11D7 DQ10C2 DQ9C8 DQ8F9 DQ7F1 DQ6H9 DQ5H1 DQ4H3 DQ3H7 DQ2G2 DQ1G8 DQ0

DDR2 1.8V By CAP - Place these Caps near Memory

DDR2 3 10

MSD3368EV Platform

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 27: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

HDMI

+5V_ST

GND

CK-_HDMI3

DDC_SDA_1

+5V_ST

DDC_SCL_3

D0-_HDMI2

D0+_HDMI3

IC603

AT24C02BN-10SU-1.8

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

DDC_SDA_3

CK+_HDMI2

GND

GND

DDC_SDA_2

D1+_HDMI1

D2-_HDMI2

IC602

AT24C02BN-10SU-1.8

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D603ENKMC2838-T112

A1

C

A2

5V_HDMI1

D1+_HDMI3

D602ENKMC2838-T112

A1

C

A2

HPD3

HPD2

5V_HDMI2

D1+_HDMI2

D0+_HDMI1

5V_HDMI2

D1-_HDMI3

DDC_SDA_1

DDC_SCL_3

DDC_SCL_1

D1-_HDMI2

IC600

AT24C02BN-10SU-1.8

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D0+_HDMI2

GND

D1-_HDMI1

HPD1

D2-_HDMI3

CK-_HDMI1

D2+_HDMI1

+5V_ST

GND

D2+_HDMI3

CEC_REMOTE

CK-_HDMI2

D0-_HDMI3

DDC_SDA_3

D0-_HDMI1

CEC_REMOTE

5V_HDMI3

DDC_SCL_2

DDC_SCL_2

CK+_HDMI3

D2-_HDMI1

DDC_SCL_1

CEC_REMOTE

D600ENKMC2838-T112

A1

C

A2

DDC_SDA_2

5V_HDMI1

D2+_HDMI2

5V_HDMI3

CK+_HDMI1

+3.3V_HDMI_ST

BSS83Q600READY

S B D

G

HDMI_CECCEC_REMOTE

D605

MMBD301LT1G

30V

D604READY

R632

330K

R64618K

R64818K

R629

18K

R650

18K

R62618K

R649

18K

R6590

R6360

R6130

R6240

READY

R6120

R642 22

R644 22

R645 22

R643 22

R623 22

R621 22

R615

1KREADY

R631

1K

R638

1K

READY

R601

1K

R600

1K

R616

1K

READY

R637

27K

READY

C6080.1uF

C6070.1uF

C6010.1uF16V

C6030.1uF

C6000.1uF16V

C6050.1uF16V

R663

33K

R662

10K

5V_HDMI2

5V_HDMI_3

5V_HDMI1

R665

33K

R660

10K

5V_HDMI_2

R664

10K

R661

33K

5V_HDMI3

5V_HDMI_1

JK601

EAG59023301

14

13

5D1_GND

20

SHIELD

12

11

2D2_GND

19

18

10CK+

4D1+

1D2+

17

9D0-

8D0_GND

3D2-

16

7D0+

6D1-

15

JK603

EAG42463001

14

13

5D1_GND

20

JACK_GND

12

11

2D2_GND

19

18

10CK+

4D1+

1D2+

17

9D0-

8D0_GND

3D2-

16

7D0+

6D1-

15

JK600

EAG59023302

14

13

5D1_GND

20

SHIELD

12

11

2D2_GND

19

18

10CK+

4D1+

1D2+

17

9D0-

8D0_GND

3D2-

16

7D0+

6D1-

15

UI_HW_PORT4

UI_HW_PORT1

UI_HW_PORT2

HDMI 5 10

MSD3368EV Platform

SIDE HDMI

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 28: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

AUDIO

@netLa

@netLa

+3.3V_DVDD

C7170.1uF

SDA1

AMP_RST

C7270.01uF

C713

4700pF

+3.3V_AVDD_AMP

SCL1

R716

10K

C714

0.1uF

C738 0.033uF50V

P_17V

R715

470

C7250.01uF

P_17V

C735

0.1uF

C7040.1uF

MS_LRCH

R7193.3

AUDIO_MASTER_CLK

C7390.68uF

+3.3V

C7150.01uF

C733

0.033uF50V

Q7012SC3052

E

B

C

R70322

L702

120-ohm

R7043.3

C702 4700pF

SPK_R+

SPK_L-

R712

1K

AVSS

C7280.1uF

R7093.3

C7091000pF

R713200

1%

MS_LRCK

C7370.1uF

C736

0.047uF

R70822

+3.3V

IC701

TAS5709PHPR

1

OUT_

A2

PVDD

_A_1

3

PVDD

_A_2

4

BST_

A5

GVDD

_OUT

_16

SSTI

MER

7

OC_A

DJ8

NC9

AVSS

10

PLL_

FLTM

11

PLL_

FLTP

12

VR_A

NA

13AVDD

14TESTOUT

15MCLK

16OSC_RES

17DVSS_1

18VR_DIG

19PDN

20LRCLK

21SCLK

22SDIN

23SDA

24SCL

25

RESE

T

26

STES

T

27

DVDD

28

DVSS

_2

29

GND

30

AGND

31

VREG

32

GVDD

_OUT

_2

33

BST_

D

34

PVDD

_D_1

35

PVDD

_D_2

36

OUT_

D

37 PGND_CD_1

38 PGND_CD_2

39 OUT_C

40 PVDD_C_1

41 PVDD_C_2

42 BST_C

43 BST_B

44 PVDD_B_1

45 PVDD_B_2

46 OUT_B

47 PGND_AB_1

48 PGND_AB_2

R718

470

AVSS

R710

0SPK_L-

C7121000pF50V

SPK_L+

C7400.68uF

SPK_L+

+3.3V_DVDD

SPK_R-

C7290.033uF50V

R7053.3

R707

22K

R70222

L701

120-ohm

SPK_R+C7180.1uF

R7170

C7224.7uF10V

C71110uF 16V

R71418K

MS_SCK

C701

0.033uF50V

SPK_R-

C7320.01uF

C7260.1uF

C7340.01uF

AVSS

AC_DET

R72510K

R70622

P_17V

AMP_MUTER711

33KREADY

C7060.1uF

+3.3V_AVDD_AMP

C7070.1uF

C720

0.047uF

C72310uF 16V

C730

2200pF

AVSS

C7100.1uF

C7190.1uF

P700

WAFER-ANGLE

1

2

3

4

L704AD-9060

EAP61008401

2S

1S 1F

2F

L705AD-9060

EAP61008401

2S

1S 1F

2F

C721100uF25V

C775100uF25V

C741100uF25VREADY

C742100uF25V

C743100uF25V

C744100uF25VREADY

C703

1uF

16V

C708

1uF

16V

AUDIO 6 10

MSD3368EV Platform

Separate DGND AND AVSS

Audio Amp

This parts are Located on AVSS area.

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 29: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

POWER

+5V_ST

+3.3V_ST

+3.3V_AVDD_MPLL

+5V +3.3V_AVDD

+3.3V_HDMI_ST

+3.3V_CI

+3.3V_ST

+5V

+3.3V_AVDD

+3.3V

+3.3V+1.8V_DDR

+5V_GENERAL

Q806SI4925BDY

3S2

2G1

4G2

1S1

5 D2_1

6 D2_2

7 D1_1

8 D1_2

RL_ON/PWR_ONOFF

R835560

R828120KREADY

+5V

Q8032SC3052

E

B

C

+5V_ST P_+5V

GND

IC804AZ1085S-3.3TR/E1

1

ADJ/GND

2 OUTPUT3INPUT

GND

+1.8V_TU

+3.3V_TU

+5V_ST

L805

L806MLB-201209-0120P-N2

L808

L814MLB-201209-0120P-N2

L817

C89210uF6.3VREADY

C85010uF6.3V

C89110uF6.3VREADY

C88010uF6.3V

READY

C810

10uF

READY

C80010uF6.3V

C87810uF6.3V

C88810uF6.3V

C89310uF6.3V

C89610uF6.3VREADY

R8580

R8590

C825100uF16V

IC800

AZ1085S-ADJTR/E1

1

ADJ/GND

2 OUTPUT3INPUT

C830

0.01uF

50V

+5V_GENERAL

R825620K

1%

+1.26V_VDDC

R830

10

1%

P_+5V

C89410uF6.3V

C84310uF6.3V

R824360K

1%

R860

33

1%

L8133.6uH

NR8040T3R6N

IC801AP1117E33G-13

2

OUT

3IN 1ADJ/GND

IC803

AP1117E18G-13

2

OUT

3IN 1 ADJ/GND

R866

0

R865

0R864

0

R8620

C857220uF16V

C858220uF16V

GND

GND

IC805MP2212DN

3IN

2GND

4BS

1FB

5VCC

6SW_1

7SW_2

8EN/SYNC

C842100uF16V

C841100uF16V

R8020

1/4W

C836

1uF10V

L802

MLB-201209-0120P-N2

IC802

AP2121N-3.3TRE1

1

GND

2 VOUT3VIN

TP1451

C88910uF6.3V

C82210uF6.3VREADY

C870100pF

50VREADY

R86175

1%

R82910K

R83410K

R85610K

READY

R831

10K

R827

10K

READY

C8310.1uF

C8080.1uF16V

C8030.1uF16V

C8850.1uF16V

C899

0.1uF16V

READY

0.1uFC856

C8260.1uF16V

C8520.1uF16V

C8660.1uF16V

C8240.1uF16V

C8650.1uF16V

C8110.1uF16V

C8770.1uF16V

C8440.1uF

C8160.1uF16V

C8150.1uF16V

C854

0.1uF

C8010.1uF16V

C8830.1uF16V

C8270.1uF16VREADY

C8140.1uF16V

C8070.1uF16V

R801100

P_17V

C8180.1uF50V

C8050.1uF16V

+5V_ST

C8340.1uF

R83810KR

EADY

+5V_ST

C835100uF16V

P_+5V

L800MLB-201209-0120P-N2

MODULE_ON

C8200.1uF

C83910uF6.3VREADY

R8372K

L801MLB-201209-0120P-N2

RL_ON/PWR_ONOFF

AC_DET

C812

0.1uF16V

C89010uF6.3VREADY

C809

0.1uF16V

READY+5V_ST

R803100

PSU_ERR_DET

C897220uF6.3V

P800SMAW200-H18S1

14

9

4

18

13

8

3

17

12

7

2

16

11

6

1

15

10

5

19

C82868uF10V

C82910uF16V

C86410uF16V

C89810uF16V

C83810uF16V

C80610uF16V

C81310uF16V

C86210uF16V

C83710uF16V

C80210uF16V

C804470uF16V

R8040

C817100uF25V

Stand-by +3.3V

+3.3V_AVDD320 mA

40 mA

650 mA

POWER

50 mA

+1.8V_DDR 450 mA

7 10

MSD3368EV Platform

POWER B/D

+5V

$0.122

MAX 3A

S6 core 1.26 volt

465 mA @85% efficiency

Replaced Part

1600 mA

R2 = R1/(Vout/0.8-1)

C OUT

Placed on SMD-TOP

R1

MAX 3A

R2

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 30: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

Fiber Optic

USB DOWN STREAM

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

+3.3V_AVDD

SIDE_CVBS_DET

SIDE_CVBS_IN

SPDIF_OUT

D934READYC9260.1uF50V

JK904

JST1223-001

1

GND

2

VCC

3

VINPUT

4

FIX_POLE

+5V_GENERAL

SIDE_LIN

SIDE_RIN

P_+5V

USB_DP

USB_DM

C91647pF50V

R923

470K

R922

470K

+5V_GENERAL

USB_CTL

USB_OCD

D922

D921

D919

30V

D93130V

D932

5.6VCDS3C05HDMI1

D933

5.6VCDS3C05HDMI1

+3.3V_CI

IC901NL17SZ00DFT2G

READY

3GND

2B

4Y

1A

5VCC

R9970

R9380

R93775

R970

100

R998100

READY

R963

10K

R991

10K

R93010K

R992

10K

R93310K

R931

12K

R932

12K

R9731K

R9641KREADY

C927

0.1uF

C9110.1uF16V

C913100pF

C912100pF

+3.3V_AVDD

COMP2_RIN

D907

READY

R924

75 1%

C9031000pF50V

R902470K

R91912K

COMP2_Pr

D903

R911

10K

D904

30V

READY

R921

75 1%

R9341KR

906

10K

D905

D906

READY

COMP2_DET

C9021000pF50V

COMP2_Y

D908

READY

R920

75 1%

R912

10KCOMP2_LIN

COMP2_Pb

R9350

R91812K

R903470K

D911

COMP1_RIN

+3.3V_AVDD

D913

READY

D912

READY

R905470K

D909R92512K

R927

75 1%

COMP1_DET

R9361K

D910

30V

READY

C9041000pF50V

R92612K

R913

10K

D914

READY

R929

75 1%

COMP1_Y

COMP1_Pb

COMP1_Pr

COMP1_LIN

R907

10K

R928

75 1%

R914

10KC9051000pF50V

R904470K

R9390

GND

D9015.6V

R900470K

C900100pF50V

AV_RIN

R91512K

R908 10K

D9025.6V

R91612K

R901470K

AV_LINC901100pF50V

R909 10K

C9090.1uF16V

D91530V

AV_DET

C90647pF50V

R91075

AV_CVBS_IN

D90030V

R9170

R940

10K

+3.3V_AVDD

JK900

PPJ237-01

5J [GN3]O-SPRING

6J [GN3]E-LUG

4J [GN3]CONTACT

7K [BL3]E-LUG-S

5K [BL3]O-SPRING

7L [RD3]E-LUG-S

5L [RD3]O-SPRING_1

5M [WH3]O-SPRING

4N [RD3]CONTACT

5N [RD3]O-SPRING_2

6N [RD3]E-LUG

6D [GN2]E-LUG

5D [GN2]O-SPRING

4D [GN2]CONTACT

7E [BL2]E-LUG-S

5E [BL2]O-SPRING

7F [RD2]E-LUG-S

5F [RD2]O-SPRING_1

5G [WH2]O-SPRING

4H [RD2]CONTACT

5H [RD2]O-SPRING_2

6H [RD2]E-LUG

6A [YL1]E-LUG

5A [YL1]O-SPRING

4A [YL1]CONTACT

5B [WH1]O-SPRING

4C [RD1]CONTACT

5C [RD1]O-SPRING

6C [RD1]E-LUG

JK902

PPJ235-01

4A [YL]O-SPRING

5A [YL]E-LUG

3A [YL]CONTACT

4B [WH]O-SPRING

3C [RD]CONTACT

4C [RD]O-SPRING

5C [RD]E-LUG

JK905

KJA-UB-4-0004

12

34

5

C934470uF16V

IC900AP2191SG-13

3IN_2

2IN_1

4EN

1GND

5FLG

6OUT_1

7OUT_2

8NC

R999

10K

L901

IC902NL17SZ08DFT2G

READY

3

2

4

15

AC_DET

R944 0

JACK 108

MSD3368EV Platform

SIDE CVBS

SWITCH ADDED

REAR CVBS

COMP1

COMP2

USB

OPTIC

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 31: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

DDC_SCL/UART_RX

C1002220pF50VREADY

DSUB_DET

GND

12pF

C1016

DDC_SCL/UART_RX

DSUB_G

DSUB_B

C10220.1uF

DSUB_R

DSUB_VSYNC

PC_SER_DATA

DDC_SDA/UART_TX

4.7pFC1012

C1000270pF50VREADY

DDC_SDA/UART_TX

12pF

C1017

C1003270pF50VREADY

IC1001AT24C02BN-10SU-1.8

3

2

4

1

5

6

7

8

R100110

4.7pFC1015

C1004220pF50VREADY

4.7pFC1014

PC_SER_CLK

+3.3V_AVDD

DSUB_HSYNC

+5V_VGA

ISP_TXD

ISP_RXD

C1005 220pF 50V

C10080.1uF50V

+3.3V_ST

C10090.1uF50V

C10100.1uF50V

C1006 220pF 50V

IC1000

MAX3232CDR

3C1-

2V+

4C2+

1C1+

6V-

5C2-

7DOUT2

8RIN2

9ROUT2

10

DIN2

11

DIN1

12

ROUT1

13

RIN1

14

DOUT1

15

GND

16

VCC

C10110.1uF50V

DBG_TX

+3.3V_ST

DBG_RX

C10070.1uF50V

PC_LIN

R1022470K

R1021470K

PC_RIN

+5V_VGA +5V_ST

D1012

ENKMC2838-T112

A1

C

A2

C101818pF50V

C102118pF50V

R100310

KEY2

+3.3V_ST

KEY1

+3.3V_ST

LED_B

IR

LED_R

C403680pF

L400MLB-201209-0120P-N2

L403MLB-201209-0120P-N2

L405MLB-201209-0120P-N2

L404MLB-201209-0120P-N2

L401MLB-201209-0120P-N2

C40010uF6.3V

D1011

5.6V

D1010

5.6V

D1001D1000

D1008

D1003

D1002

D1009

30V

READY

D1004

D1007

D100530V

READY

D1006

30V

READY

C102510uF6.3V

+3.3V

C40210pF

C40610pF

C40110pF

C40710pF

C40510pF

C40410pF

C40810pF

SUB_SDA

SUB_SCL

RXECK-

RXO3-

PDP_SDA

RXE2+

RXOCK-

RXE0-

RXO4+

RXOCK+

MOD_ROM_TX

RXE4+

RXO4-

DISP_EN

PC_SER_DATA

RXO1-

RXE1-

RXO3+

RXO2-

RXE1+

RXE3-

RXE3+

RXO2+

RXE4-

RXO0-

RXE0+

RXO0+

RXO1+

PC_SER_CLK

RXE2-

PDP_SCL

RXECK+

MOD_ROM_RX

P403

TF05-51S

FHD

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

41

42

43

44

45

46

47

48

49

50

51

52

C102910pFREADY

C102810pFREADY

C102710pFREADY

C102610pFREADY

+3.3V_ST

JK1002SPG09-DB-009

1 2 3 4 5

6 7 8 9

10

JK1001SPG09-DB-010

1 RED

2 GREEN

3 BLUE

4 GND_1

5 DDC_GND

6 RED_GND

7GREEN_GND

8 BLUE_GND

9 NC

10 SYNC_GND

11GND_2

12DDC_DATA

13H_SYNC

14V_SYNC

15DDC_CLOCK

16SHILED

R10320

R10330

R101522

R103522

R103422

R101722

R101822

75R1005

75

R1010

75R1007

R1006100

R1023

100

R1008

100

R102810K

R40810K

R102610K

R40910K

R1016

10K

R102512K

R102712K

1KR1014

1KR1013

R10191K

R44227KREADY

R10244.7K

R10294.7K

4.7KR1011

R10024.7K

R443

4.7K

READY

4.7KR1012

R10044.7K R445

4.7K

READY

C10130.1uF16V

C10010.1uF16V

C1020100pF50V

C1019100pF50V

DISP_EN

RXO4-

MOD_ROM_RX

RXO3- RXO3+

RXO4+

R403100

HD

PDP_SDA

RXO1-

R40427K

READY

PDP_SCL

RXOCK+

PC_SER_DATA

RXO2+

MOD_ROM_TX

RXOCK-

RXO2-

RXO0+

PC_SER_CLK

R407100

RXO0-

R4020

READY

R401100

RXO1+

P40212507WS-12L

1

2

3

4

5

6

7

8

9

10

11

12

13

JK1000

PEJ027-01

6B T_TERMINAL2

7B B_TERMINAL2

5 T_SPRING

4 R_SPRING

7A B_TERMINAL1

6A T_TERMINAL1

3 E_SPRING

P401SMAW200-H26S1

HD

19

14

9

4

18

13

8

3

17

12

7

2

16

11

6

1

20

15

10

5

21 22

23 24

25 26

27

BU400PKM13EPY-4002-B0

READY

1

2

Q10012SC3052

E

B

C

+3.3V

KEY_BUZZER

R103622

READY

D1013

100V

1N4148W_DIODES

READY

PC_SER_DATA

PC_SER_CLK

R103710

READY

R103810

READY

D1014READY

D1015READY

SUB_SCL

SUB_SDA

R1039 0 READY

R1040 0 READY

C103110pF50VREADY

C103010pF50VREADY

+5V

L406

GLASS

L408

NORMAL

R4050

RGB,RS232,LVDS 910

MSD3368EV Platform

ROM DOWNLOAD FOR PDP

RS232C

PC AUDIO

$0.179

SUB Board I/F

LVDS FFC WAFER LVDS

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 32: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

C1103

50V

READY

6.8pF

TUNER_SIF

+1.8V_TU

C1109 0.1uF

C1115

1000pF

C1116

0.1uF

+5V

C11190.1uF

C1120 56pF

C1121

0.1uF

C1124

0.1uF

C1126 39pF

R1112680

+1.8V_TU

+3.3V_TU

TU_RESET

+3.3V_TU

XC5000_RESET

C1134 1000pF

IF_AGC

R112710

C11410.1uF16V

+1.8V_TU

C1146120pF

C11470.1uF

16V

C1148

0.1uF

TU_RESET

R1135680

+1.8V_TU

C1156

0.1uF

+3.3V_TU

C1158 0.1uF

C11590.1uF

R1142

10

READY

SCL1

+3.3V_TU

/FE_RESET

C11640.1uF

16V

C1165 0.1uF

C1167 0.1uF

SDA1

+3.3V_TU

C1171 0.1uF

C11760.1uF16V

R1152

4.99K

1%

+5V

TUNER_CVBS

C1182

0.1uF

L1101MLB-201209-0120P-N2

C11840.1uF16V

R1157390

+5V

TUNER_IF_P

R1159390

+5V

TUNER_IF_N

C11830.1uF16V

IC1104

XC5000

1VDDA_1

2IN1

3GND_1

4IN2

5GND_2

6EXTCHOKE

7GND_3

8VDDA_2

9VDDA_3

10VDDC_1

11GND_4

12VDDC_2

13

VDDC_3

14

VDDA_4

15

VAGC

16

VIF

17

VDDA_5

18

SIF

19

GND_5

20

VDDC_4

21

VDDA_6

22

GND_6

23

VDDD_1

24

TESTMODE

25 DDI126 VDDC_527 DDI228 ADDRSEL29 X230 GND_731 X132 EXTREF33 VDDD_234 SCL35 SDA36 GND_8

37

RESET

38

VI2C

39

VDDC_6

40

VREF_N

41

VREF_P

42

VDDC_7

43

VDDC_8

44

REXT

45

VDDA_7

46

GND_9

47

VDDC_9

48

VDDA_8

C1129

0.1uF

C11330.1uF16V

C1117

0.1uF

R11301K

R1101390

R1122390

L1108

0603CS-R27XGLW

270nH

2%

L1116

0603CS-R39XGLW

390nH

2% L1114

1008CS-821XGLC2%820nH

Q1102ISA1530AC1

E

B

C

Q1103ISA1530AC1

E

B

C

Q1108ISA1530AC1

E

B

C

Q1109ISA1530AC1

E

B

C

X1102

31.875MHz

L11110603CS-6N8XGLW

6.8nH

2%

L1105MLF1608A2R7J2.7uH 5%

L1110MLF1608A2R7J2.7uH 5%

D1101RCLAMP0502BC1

A

C2

L1118

+3.3V_TU

C115218pF50V

C113118pF50V

C117318pF

C110818pF

C1104

50V6.8pF

C1161

50V6.8pF

R1155 100

R1150 100

R1153

1K

R1138

1K

C1151

0.1uF

C11680.1uF16V

C11850.1uF16V

C11870.1uF16V

C1163

0.1uF

C11060.1uF16V

C11860.1uF16V

C1169

0.1uF

C1118

0.1uF

SCL1

SDA1

L1102

SAM2333READY

A2[GN]

CA1[RD]

R1106

10K

READY

IC1100CE6355

1VSS_1

2VDD_1

3VSS_2

4CLK1

5DATA1

6IRQ

7CVDD_1

8VSS_3

9RESET

10SLEEP

11STATUS

12SADD4

13VDD_2

14VSS_4

15SADD3

16SADD2

17

SADD1

18

SADD0

19

CVDD_2

20

VSS_5

21

PLLVDD

22

PLLGND

23

XTI

24

XTO

25

VSS_6

26

PLLTEST

27

OSCMODE

28

AVDD

29

AGND_1

30

VIN

31

VIN

32

AGND_2

33 VDD_334 RFLEV35 CLK2/GPP036 DATA2/GPP137 CVDD_338 VSS_739 CVDD_440 VSS_841 AGC2/GPP242 AGC143 GPP344 SMTEST45 VDD_446 VSS_947 MOSTRT48 MOVAL

49

MDO0

50

MDO1

51

MDO2

52

MDO3

53

MDO4

54

VDD_5

55

VSS_10

56

MDO5

57

MDO6

58

MDO7

59

CVDD_5

60

VSS_11

61

MOCLK

62

BKERR

63

MICLK

64

CVDD_6

TUNER_IF_P

R1108

33

R11100

R111610K

+1.8V_TU_CE

FE_TS_SERIAL

R11004.7K

READY

R1113

33

FE_TS_CLK

R110410K

R1118

0

C11421000pF50V

R11171K

R11030

C11350.1uF16V

C1123

0.1uF

16V

+3.3V_TU_CE

TU_SLEEP_MODE

C112227pF50V

R111922K

C1138

22pF

READY

R110547K

READY

C11400.1uF16V

READY

IF_AGC

+1.8V_TU_CE

+3.3V_TU_CE

FE_TS_SYN

C11280.1uF50V

+3.3V_TU_CE

X110020.48MHz

R111510K

R1114

33

C1136

22pF

READY

C112727pF50V

R1102

4.7K

+3.3V_TU_CE

+3.3V_TU_CE

R1109100K

READY

FE_TS_VAL

+3.3V_TU_CE

R1107

33

TUNER_IF_N

+1.8V_TU_CE

R1111

33

/FE_RESET

C11390.1uF16V

+1.8V_TU_CE

C11430.1uF16V

C11050.1uF

16V

C11450.1uF16V

+1.8V_TU

C11010.1uF16V

C11250.1uF16V

C11320.1uF16V

C113010uF6.3V C1150

0.1uF16V

C11120.1uF16V

+3.3V_TU_CE

C11490.1uF

16V

C11440.1uF

16V

C11020.1uF16V

L1103MLB-201209-0120P-N2

+3.3V_TU

C110010uF6.3V

C11130.1uF

16V

C11070.1uF

16V

+1.8V_TU_CE

C11140.1uF16V

C11370.1uF

16V

L1100MLB-201209-0120P-N2

C11110.1uF

16V

C111010uF6.3V

C118068uF10VFHD

JK1101KCN-ET-5-0094

1

2

R1170 0

R1166 0

R1173 0

R1171 0

R1167 0

R1180 0R1172 0

R1179 0

R1176 0

R1174 0

R1185 0R1177 0

R1178 0

R1181 0

R1168 0 R1184 0

R1183 0R1175 0

R1182 0

R1169 0

TUNER 10 10

MSD3368EV Platform

: ACTIVE LOW (SOFT RESET)

Place the Buffer close to Tuner

(TUNER RESET GPIO OPTION)

TUNER RESET

ACTIVE HIGH

08.10.06 CHANGE LOAD CAP 22pF -> 27pF

To separate chassis ground

Copyright © 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Page 33: ServiceManuals LG TV PLASMA 42PJ350 42PJ350 Service Manual