22277758 toshiba tv lcd training 32wl36p

5/26/2018 22277758 Toshiba TV LCD Training 32wl36p

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TOSHIBATechnical Training

presents the

LCD TV

2004ATraining coursebased upon the models

26WL36P and 32WL36PWide screen TV receivers

Your tutor today is

Mr David Slater

Area Technical and Training Manager (North-UK)


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presents the

LCD TV



Your tutor today is

Mr John Carrington

Area Technical and Training Manager (Midlands-UK)


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presents the

LCD TV



Your tutor today is

Mr Dennis Osborn

Area Technical and Training Manager (South-UK)


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Agenda for the day

9.15 Registration and introductions

Customer menus / service mode

Layout / Block diagram

10.45 Break

11.00 Signal flow / waveforms

approx 12.30 Lunch

1.30 Circuit description / waveforms

2.45 Break

3.00 Power supplies / Sync flow / waveforms

4.00 LCD screen display technology

approx 4.45 Questions / close


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Panel Native resolution

1280 x 768 W-XGA

(wide XGA)

26WL36P

Remote control

type CT 90126

NB

Computer refresh rate

to be set for 60Hz

otherwise too much

height, mainly desktops

1


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26WL36P / 32WL36P

Remote control

type CT 90126

(2330 6469)

Back lights are not replaceable as they

are embedded inside the LCD display

LCD panel will not work correctly below

0 degrees Centigrade

Panel will be damaged with UV if left in hot

sunshine, no figure given

26 / 32WL36P

6 x horizontal Cold Cathode tubes are used

2


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Interface connections 26 / 32WL36P

EXT 6 is the Front AV input

RGBComposite

S-VideoComposite

+ VCR in-out

RGBComposite

3


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26/32WL36P Service ModeService Mode, press and release MUTE button on remote, press and hold MUTE on remote

then press MENU on tv. Release both buttons.

Design Mode, enter Service Mode as above, then press and hold CALL button on remote

and press MENU on tv. Release both buttons.

To escape from either mode above, put tv to STANDBY or OFF.

Service Mode ParametersRCUT 80H CPAR 00H

GCUT 80H TRAP 4 EH

BCUT 80H TCNR 10 H

GDRV F8H BCNR 1BH

BDRV F8H PARA 16 HBRTC 30H AYOF 00H

SCEN 0EH ABOF 00H

COLP 08H AROF 00H

COLS 08H

SBY 04H OPTION CODES found in Design Mode

HPOS 36H OPT0 88HHIT 32H OPT1 4EH

VLIN 32H OPT2 23H

VCEN 80H OPT3 01H

WID 2AH OPT4 B2H

CSAW 00H OPT5 CFH

26 / 32WL36P

Parameters shown

in BOLD

are adjustable

4


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POWER

(MODULE)

PRO

(MODULE)

POWER

(MODU

LE)

3 D

Y C S

Module layout 26WL36P

Scaler

Audio output

26WL36P

Inverter for Backlights

mounted behind PSU

LCD Panel Interface

fitted behind

Audio module

5


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POWER

(MODULE)

PRO

(MODULE)

POWER

(MODU

LE)

3 D

Y C S

Module layout 32WL36P

Scaler

Module

Audio output

32WL36

LCD Panel Interface

fitted behind

Scaler module

6

Inverter for Backlights

mounted behind PSU


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G Hyper

Module

ScalerModule

M2 TeletextModule

NTSC

3D YCSModule

32WL36P

Tuner / IF

Signals

Audio Output

behind

G Hyper

Module

on 32WL36P

7


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26 / 32WL36P Signals block diagram

QV01

Composite

and

S-Video

Input

select

Q501

Q254

MCD

Y,U,V

Switch

Q511Text Mixer

TA1287

NTSC

3D YCS

PAL

Comb

SECAM

RGB

input

select

From PC input

From Teletext module

SECAM

PAL

NTSC

Sheet 2/11

Sheet 5/11

Sheet 10/11

Sheet 3/11

QV15

QV17

Multi

Colour

Decoder

8


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2 of 11

AV

Input select

switch

Y-E2

Tuner

Y-E3 Out

QV01CXA2069Q

V-E4


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32ZP38P

Same QV01 used on 32 / 36ZP38 Direct View CRT tv


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42WH36P

Same QV01 used on 42WH36 Rear Projection tv


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QV01

Composite

and

S-Video

Input

select

Q501

Q254

MCD

Y,U,V

Switch

Q511Text Mixer

TA1287

NTSC

3D YCS

PAL

Comb

SECAM

RGB

input

select

From PC input


SECAM

PAL

NTSC

Sheet 2/11

Sheet 5/11

Sheet 10/11

Sheet 3/11

QV15

QV17

Multi

Colour

Decoder

8


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QZ01 Comb Filter and Q501 Multi Colour Decoder 26/32WL36P

QZ01Comb filter

Q501Multi

Colour

Decoder (MCD)

sheet 5 of 11

CVBS input (SECAM) used forSYNC only

Luma

Chroma

Composite


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Q254

Y,U,V

Switch

Q501

MCD

Text Mixer

TA1287

Q511 GenesisHyperModule

Sheet 5/11

Sheet 10/11

Sheet 3/11

TP05

V Sync

TP04

H Sync

7

6

Multi

Colour

Decoder


9


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Sheet 10 of 11

Input from Q501pins 21,22,23 sheet 5/11from PC input

socket

Component

Inputs

direct from

rear terminal

board

Component output

to sheet 3 / 11


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Q254

Y,U,V

Switch

Q501

MCD

Text Mixer

TA1287


Sheet 5/11

Sheet 10/11

Sheet 3/11

TP05

V Sync

TP04

H Sync

7

6

Multi

Colour

Decoder


9


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Sheet 3 of 11

Component video in from Q254 pins 44,42,40

sheet 10 / 11

Component TeleText in

from PC10A

Mixed output to

Hyper module

Q511


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Copyright 2003 Toshiba Corporation. All rights reserved.

Confidential

QA01

Micro

QV01

AV Switch

Q501

VCD

QZ01

Comb

QV254

YUV

Switch

26-32WL36P Signals

Q511

TP05 (PK16) V Sync

TP04 (PK15) H Sync

10


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Q254

Y,U,V

Switch

Q501

MCD

Text Mixer

TA1287


Sheet 5/11

Sheet 10/11

Sheet 3/11

TP05

V Sync

TP04

H Sync

7

6

Multi

Colour

Decoder


9


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Memory

SUB M CO N

TM PA 8 7 00_J 1

9

GND

8 TCL K+

TC L K-

TD +

6 TD-

7

GND

1 1 GND

1 2 TC+

1 3 TC-

GND

1 5 TB+

1 4

Syn

c

port

port

6010/

6015/Di

gital

6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1 5 0 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 29 28 27 26 25 24 23 22 21 20 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5NCNCNCNCGND

HDVDGND

Pr(2),R

GND

Pb(2),B

GND

Y(2),G

GND

HD

(1)

VD

(1)

GND

Pr(1)

GND

Pb(1)

GND

Y(1)

GND

C GND

Y GND

V

AV

GND

GC

OUT

NC

GND

NC

RST

GND

SDA1

SCL1

GND

GND

GND

GND

GND

GND

GND

NCPUMP

HBLK

GND

HD

UP

VD

UP

GND

Pr-OUT

TRA NSM TTE R

GND

Pb-OUT

GND

Y-OUT

4 3 2 1

1 8

1 9

20

TB -

GND

TA +

TA -

GND

1 7

1 6

N.C.

1 0

4

1

5

GND

GND

3

N.C.2

26 / 32WL36P G-Hyper module

20 pinF F C

P002

Genesis chip

Ketsu

Low VoltageDifferential Signal

output

A D

Converter

MST9883A

GM 6015

MemorySub Micro

TMPA 8700

GM 6015

A-D Conv

I2C

Component

inputSync

Provides the LVDS signal andSync for LCD panel

from Component input

Q003

131196 7

11

H V


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26 / 32WL36P G-Hyper modul

P002 FFC

Test points

For LVDS

12


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Hyper module socket onSignals board

Hyper module connector 26 / 32WL36P

13


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Depress here to

remove Hyper module

14


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QE11 Back End Processor or Scaler performs the task of convertingeach input standard to a fixed standard for driving

the LCD panel

NTSC 664 x 484PAL 756 x 574

VGA 640 x 480

SVGA 800 x 600

XGA 1024 x 768W-XGA 1280 x 768 native

Higher resolution computer inputs

are compressed to W-XGA

Format conversion to native resolution of W-XGA

Possible input formats are :

Scaler Module

15

(W-VGA 850 x 480)


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QE11

QA02 QZ02

QR56

Ribbon

connector

in from

Genesis chip

PZ01

Multi

cable

PE01

FFC PC10B

Scaler module 26 / 32WL36P

Format

Converter

Scaler

RGB to Component converter

LVDS Rx LVDS Tx

Teletext

Input

Back End

ProcessorLow

Voltage

Differential

Signal

Sheet 2/9

Sheet 3/9

Sheet 5/9

Sheet 6/9

Sheet 7/9

OSD

input

Sheet 9/9

P002

20 pin

FFC

Scaler

16


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Sheet 2 of 9

From PSU

from

Genesis chip

P002A

to QE11 Scaler chip page 3of 9

Scaler Module connections

QA02

TeleText input

from QR56

Sheet 9 / 9

pin 40

Flexi connector

PC10B

OSD input

flexi cable


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26 / 32WL36P Scaler module

Scaler Module

without M2 Teletext

module

M2 Textsocket

QE11

QM24

QA02 LVDS Rx

on reverse side

of panel here

Flexi connector

PC10B

NB.

New replacement Scaler Modules

may NOT have Text Module

fitted (gives no OSD or TEXT)

please check

Output to LCD Panel

LCD PanelInterface

17


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Scaler Module

QE11

QA02 QZ02

QR56

Ribbon

connector

in from

Genesis chip

PZ01

Multi

cable

PE01

FFC PC10B

26 / 32WL36P

Format

Converter

Back End

Processor

RGB to Component converter

LVDS RxLVDS Tx

Teletext

Input

Back End

ProcessorLow

Voltage

Differential

Signal

Sheet 2/9

Sheet 3/9Sheet 5/9

Sheet 6/9

Sheet 7/9

OSD

input

R

G

B Sheet 9/9

P002

20 pin

FFC

Scaler

18


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QE11 Scaler IC

QE11

ScalerFrom QA02

on sheet 2/9

to 5/9

sheet 3 / 9


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Scaler Module

QE11

QA02 QZ02

QR56

Ribbon

connector

in from

Genesis chip

PZ01

Multi

cable

PE01

FFC PC10B

26 / 32WL36P

Format

Converter

Back End

Processor

RGB to Component conv

LVDS RxLVDS Tx

Teletext

Input

Back End

Processor

18

Low

Voltage

Differential

Signal

Sheet 2/9

Sheet 3/9Sheet 5/9

Sheet 6/9

Sheet 7/9

OSD

input

R

G

B Sheet 9/9

P002

20 pin

FFC

Scaler


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OSD Mixer Scaler Module

R

G

B

Picturefrom

3/9

R G B

Input from OSD

Mixed to sheet 7/9 (via 6)

Clock

waveform

sheet 5 / 9


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Sheet 7 of 9

Ketsu

from 5/9 (via 6/9)

output

To

LCD panel

QZ02

Parallel to

Serial

converter

Data from Sub-micro

QM24 pins 21, 22, 23

Pin 1

26 / 32WL36P S l M d l ith M2 T l t t d l


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26 / 32WL36P Scaler Module with M2 Teletext module

To LCD panel

Teletext and sync

from signals

M2 Text

Chip

QM 24

QE 11

PC10A

19

ZIF clip connector from Signals to Scaler module 32 / 26WL36p


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PC10A

Flexi-Foil Connector( Zero Insertion Force

clip connector )

ZIF clip connector from Signals to Scaler module 32 / 26WL36p

FFC goes in here

20

26 / 32WL36P Signals


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Signals Module

P613A

P611A

PB11A

PB12A

P214A

PB14 Factory only

Video in from Tuner

LED Front Panel

Remote Control inputFront Buttons input

PV11

PV12

PV13

PV14

Ext 4 and 5 input

Ext 4 input

Ext 2 and 3 input

Ext 1 input

26 / 32WL36P Signals

PC computer input socket

P101 DC to tuner

21

32WL36P Tuner and Signals


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32WL36P Tuner and Signals

Tuner / IF module

22

Tuner IF circuit


42/61

Tuner IF circuit

BBE audio

phase correction

circuit

Tuner Audio processor

sheet 1 of 2

32WL36P Signals


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No Plugs

fitted here

PF02-PB14

NTSC

3D-YCS

fits

here

(TV work

withouunit fitte

NTSC

3D-YCS

fits

here

(TV works

without

unit fitted

32WL36P Signals

23


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TP05 (PK16) V Sync

TP04 (PK15) H Sync

Q4200

Syncchip

24

Q4200 Sync switch 26 / 32WL36P sheet 11/11


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Q4200 Sync switch 26 / 32WL36P sheet 11/11

Sync in from

Multi Colour Decoder

pins 4 and 9

Component video in

64uS period 15.625kHz 5v pulse

20mS period 50Hz 4v pulse

20 mS 4v

64 uS 5v

PC input H sync

PC input V sync

1v p/p

25

26 / 32WL36P Sync flow chart


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Sync flow chart

Interlaced input signal

Signals sheet 5/11 VCD Q501 pins 4/9 5vP/P

Sync Sw sheet 11/11 Q4200 pin 13 (VD3 in) pin 14 (HD3 in) 5v P/P

Sheet 11/11 Q4200 pin 16 (HD1 out) pin 28 (VD1 out) 5vP/P

Sheet 1/11 G-Hyper pin 6 (pk15) HD2 in pin 7 (pk16)VD2 in 5v P/P

Sheet 3/9 QE11 RGB BEP pin 206 (VD in) pin 207 (HD in) 3v3 P/P

Sheet 3/9 QE11 RGB BEP (TP.PK53) pin 158 (BLNK out) 3v3P/P

Progressive inputSync Sw sheet 11/11

Q4200 pin 26 1vP/P

Q4200 pin 1 (HD2) pin 2 (VD2 )

PC input

Sync Sw sheet 11/11Q4200 pin 3/4 5vP/P

26

32WL36P Tuner connections


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Audio in

from Tuner/Apro

Video in

from Tuner/Apro

27

32WL36P Audio output


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Audio Output

Module

28

26 / 32WL36P PSU module


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Power Supply module

29

32WL36P PSU


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No connection

PE02

30


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Power Supply Description

See paper diagrams

-3

Lamp Inverter Module


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T201

T301

T501

VR351

VR551

VR451

T101

31-2

32WL36P DC DC module


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No connection

Dc to DC Converter

Module

32-1

32WL36P PSU


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DC-DC Converter Module

P818

P816A

CN 831B

PE01

P823

P817B

P817

No connection

No connection

Fan 1

Fan 2

CN 830B From Power Supply

From Power Supply

Scaler

Signals

330

LCD Display Panels


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Twisted Nematic (TN)

Electrodes arranged

90 degrees apart

Nematic liquid

between plates

( not shown )

Simple matrix element

34


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Examples of monochrome Twisted Nematic displays

35


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Simple Matrix Twisted Nematic (TN) schematic

36

Display Types


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Twisted Nematic

Super Twisted Nematic

Triple Super Twisted Nematic

Slow response

around 150mS

Fast response

around 30mS

( Normal CRT around 2 mS response time )

Thin Film Transist

STFTToshiba(24mS)

37-3

Colour (Aircraft seat backs)


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Active Matrix Twisted Nematic (TN) physical

38-2


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Active Matrix Twisted Nematic (TN) schematic

39-1


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Transparent electrodes

Section of Colour LCD Display

400

22277758 toshiba tv lcd training 32wl36p

Documents

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