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PLASMA TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : PD92A MODEL : 42PQ1100 42PQ1100-ZE North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only P/NO : MFL58138612(0906-REV00) Printed in Korea

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Page 1: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

PLASMA TVSERVICE MANUAL

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

CHASSIS : PD92A

MODEL : 42PQ1100 42PQ1100-ZE

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

Internal Use Only

P/NO : MFL58138612(0906-REV00) Printed in Korea

Page 2: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 2 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

CONTENTS

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

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

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

ADJUSTMENT INSTRUCTION ..................................................................................................7

BLOCK DIAGRAM ...................................................................................................................13

EXPLODED VIEW ...................................................................................................................16

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

Page 3: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 3 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right 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: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 4 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

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

1. Application RangeThis spec is applied to the 42/50” PLASMA TV used PD92A Chassis.

2. 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.

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

Safety : CE, IEC specificationEMC : CE, IEC

Chassis

PD92A

Albania, Austria, Belgium, Bosnia, Bulgaria, Croatia, Czech, Denmark, Estonia,

Finland France, Germany, Greece, Hungarym Ireland, Italy, Kazekhstan, Latvia,

Lthuania, Luxembourg, Morocco,Netherlands, Norway,

Poland, Portugal Romania, Russia, Sebia, Slovakia, Lovenia, Spain, Sweden,

Swtzerland, Turkey, UK, Ukraine

LG

Market Brand Remark

Safety : IEC60065

EMC : EN55013

EN55022

EN55020

EN55024

Albania, Austria, Belgium, Bosnia, Bulgaria, Croatia, Czech, Denmark,

Estonia, Finland France, Germany, Greece, Hungarym Ireland, Italy,

Kazekhstan, Latvia, Lthuania, Luxembourg, Morocco,Netherlands, Norway,

Poland, Portugal Romania, Russia, Sebia, Slovakia, Lovenia, Spain,

Sweden, Swtzerland, Turkey, UK, Ukraine

ApplianceMarket

TEST

Remark

Page 5: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 5 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

4. Module Specification(1) 50”

(2) 42”

Display Screen Device

Aspect Ratio

PDP Module

Operating Environment

Storage Environment

Input Voltage

1

2

3

4

5

6

No Item Specification Remark

50 inch Wide Color Display Module

16:9

PDP50XG2####,

RGB Closed Type

1) Temp. : 0 ~ 40deg

2) Humidity : 20 ~ 80%

3) Temp. : -20 ~ 60deg

4) Humidity : 10 ~ 90%

AC100-240V~, 50/60Hz

PDP

LGE SPEC.

Maker LG

Display Screen Device

Aspect Ratio

PDP Module

Operating Environment

Storage Environment

Input Voltage

1

2

3

4

5

6

No Item Specification Remark

42 inch Wide Color Display Module

16:9

PDP42XG2####,

RGB Closed Type

1) Temp. : 0 ~ 40deg

2) Humidity : 20 ~ 80%

3) Temp. : -20 ~ 60deg

4) Humidity : 10 ~ 90%

AC100-240V~, 50/60Hz

PDP

LGE SPEC.

Maker LG

Page 6: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 6 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

5. Model General Specification

Market

Broadcasting system

Receiving system

Scart Jack(2EA)

Video Input (1EA)

S-Video Input (1EA)

Component Input (1EA)

RGB Input(1EA)

HDMI Input(3EA)

Audio Input (5EA)

Audio Out(1EA)

USB(1EA)

1

2

3

4

5

6

7

8

9

10

11

12

No Item Specification Remark

Albania, Austria, Belgium, Bosnia, Bulgaria,

Croatia, Czech, Denmark, Estonia, Finland France,

Germany, Greece, Hungarym Ireland, Italy, Kazekhstan,

Latvia, Lthuania, Luxembourg, Morocco, Netherlands,

Norway, Poland, Portugal Romania, Russia, Sebia,

Slovakia, Slovenia, Spain, Sweden, Swtzerland,

Turkey, UK, Ukraine

1) PAL-BG

2) PAL-DK

3) PAL-I,I’

4) DVB-T (ID TV)

5) SECAM- L/L’

Analog : Upper Heterodyne

Digital : COFDM

PAL, SECAM

PAL, SECAM, NTSC

PAL, SECAM, NTSC

Y/Cb/Cr, Y/Pb/Pr

RGB-PC

HDMI- DTV &SOUND

PC Audio, Component(1EA), AV(3EA)

SPDIF(1EA)

Divx, MP3, JPEG

Analog Only

4 System : PAL, SECAM,NTSC,PAL60

4 System : PAL, SECAM,NTSC,PAL60

L/R Input(PC 1EA, SCART 2EA, SIDE

AV 1EA, Component 1EA)

MP3, JPEG: 42/50PQ3000-ZA

DIVX, MP3, JPEG: 42/50PQ6000-ZA

Page 7: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

6. Chroma & Brightness6.1 WXGA module (42G2,42G2A module,SET With 38%Glass Filter)

- 7 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

No Item Min Typ Max Unit Remark

*) Peak Brightness Mode

-1/100 white Window pattern

(Typically 1%Window size)

1. White peak 42G2 315 362 - cd/m2 -100IRE (255Gray)

brightness -Picture: Vivid (Medium)

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

*Peak Brightness Condition may Slightly

different between sets.

170 189 42G2

161 183 - cd/m2

42G2A-25/ 100 white Window pattern

- 100% Window White Pattern

2. White average brightness 47 54 - cd/m2 - 100IRE(255Gray)

- Picture: Vivid(Medium )

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

- Picture: Vivid(Medium)

X 0.270 0.285 0.300White

Y 0.278 0.293 0.308 - White : 85IRE(216Gray)

X 0.635 0.640 - 100% Window White Pattern

4. Color Red

Y 0.318 0.330 0.340 - R/G/B : 100IRE(255Gray)

Coordinate X 0.242 0.300 0.305 100% Window White PatternGreen

Y 0.595 0.600 - - Picture: Vivid(Medium )

X - 0.150 0.158 - 100% WindowBlue

Y - 0.060 0.070

- 85IRE 100% Window White Pattern5. Color coordinate uniformity -0.01 Average +0.01

- Picture: Vivid(Medium)

-1/100 white window pattern(Peak mode)

6. Contrast ratio 42G2 100k:1 1000k:1 -100IRE(255Gray)

at dark room -Picture:Vivid(Medium)

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

7. Color X 0.261 0.276 0.291

Temperature Cool

Y 0.268 0.283 0.298

X 0.270 0.285 0.300 - 85IRE 100% Window White PatternMedium

Y 0.278 0.293 0.308 - APC : Vivid(Medium)

X 0.298 0.313 0.328Warm

Y 0.314 0.329 0.344

Page 8: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 8 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

ADJUSTMENT INSTRUCTION

1. Application RangeThis spec sheet is applied all of the PDP TV, PD92A chassis.

2. Specification.(1) Because this is not a hot chassis, it is not necessary to use

an isolation transformer. However, the use of isolationtransformer will help protect test instrument.

(2) Adjustment must be done in the correct order.(3) The adjustment must be performed in the circumstance of

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

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

(5) The receiver must be operated for about 5 minutes prior tothe adjustment when module is in the circumstance of over15°- In case of keeping module is in the circumstance of 0°C,

it should be placed in the circumstance of above 15°C for2 hours

- In case of keeping module is in the circumstance of below-20°C, it should be placed in the circumstance of above15°C for 3 hours,.

O After RGB Full White in HEAT-RUN Mode, the receivermust be operated prior to the adjustment.

O Enter into HEAT-RUN MODE (1) Press the POWER ON KEY on R/C for adjustment.(2) OSD display and screen display PATTERN MODE.

* Set is activated HEAT run without signal generator in thismode.

* Single color pattern (WHITE) of HEAT RUN MODE uses tocheck panel.

Caution: If you turn on a still screen more than 20 minutes(Especially digital pattern, cross hatch pattern), anafter image may be occur in the black level part of thescreen.

3. PCB assembly adjustment methodCaution: Using ‘power on’ button of the control R/C, power on

TV.

O Auto-control adjustment protocol(RS-232C)

4. Insert Tool OPTION and ModelName Download

(1) Press IN_START key on R/C to insert Tool OPTION(2) On the “Tool Option 1”, Insert Tool Option by a number

key

(3) Press the ENTER(V)(4) Press ENTER(V) again.(5) Select “OK to Download” by using F/G(VOL +/-) and press

G(VOL +)

Model Name Model Option Value 50PG3000-ZA 4717 42PQ3000-ZA 4461 50PG6000-ZA 8814 42PQ6000-ZA 8558 50PQ2000-ZA 2669 42PQ2000-ZA 2413 50PS3000-ZB 4781 50PS6000-ZC 8878 42PQ1000-ZD 260 42PQ1100-ZE 10500 42PQ1000-ZA 12548 60PS4000-ZA 7085 50PQ1000-ZD 580 50PQ1100-ZE 10820 50PQ1000-ZA 12868

No Item CMD1 CMD2 Data0 Remark 1 Insert ADJ Mode a a 0 0 2 Change INPUT Mode x b 4 0 Component 3 ADC Adjust a d 1 0 4 Change INPUT Mode x b 6 0 RGB 5 Insert Tool Option 1 a b Insert Option Value on DATA 0 6 Read Tool Option 1 a b f f 7 EDID Download a e 1 0 All=0

8 Read EDID Check sum a e

HDMI 1 : 31 HDMI 2 : 32 HDMI 3 : 33 RGB : 39

Tool Option 4782

Model Name : 50PS1000-ZD

INCH : 50

Tool : PS60

EYE : 1

Media Player : EMF-PMM

HDMI Type : 3-HDMI

XD Plazma : 0

OK to Download

DOWNLOAD : OK

Tool

Tool Option

Page 9: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 9 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

5. EDID(The Extended DisplayIdentification Data) Download

(1) Press the ADJ KEY on R/C and enter EZ ADJUST.(2) Select “5.EDID D/L” by using D/E(CH +/-) and press

ENTER(V).(3) Select “Start” and press navigation key(G).(4) EDID download is executed automatically.(5) Press EXIT key on R/C

5.1. EDID DATA1) Analog RGB

O Detail EDID Options are below (, , , )

Product ID

Week, Year=> Controlled on production line:

ex) Week: ‘03’ -> ‘03’ Year: ‘2006’ -> ‘10’

Model Name(Hex)

Checksum: Changeable by total EDID data.

2) HDMI

O Detail EDID Options are below (, , , , )

Product ID

Week, Year=> Controlled on production line:

ex) Week: ‘03’ -> ‘03’ Year: ‘2009’ -> ‘13’

Model Name(Hex)

Checksum: Changeable by total EDID data.

Vender ID

* In case of 42/50PQ1000, 1100, HDMI 1 is ONLY applied.

Product ID MODEL NAME Product ID

HEX EDID Table

42PQ3000 40433 9DF1 F19D

42PQ6000 40431 9DEF EF9D

50PQ3000 50250 C44A 4AC4

50PQ6000 50248 C448 48C4

42PQ2000 40467 9E13 139E

50PQ2000 50276 C464 64C4

50PS3000 50278 C466 66C4

50PS6000 50280 C468 68C4

60PS4000 50290 C472 72C4

42PQ1000 40473 9E19 199E

42PQ1100 40475 9E1B 1B9E

50PQ1000 50296 C478 78C4

Product ID MODEL NAME Product ID

HEX EDID Table

42PQ3000 40433 9DF1 F19D

42PQ6000 40431 9DEF EF9D

50PQ3000 50250 C44A 4AC4

50PQ6000 50248 C448 48C4

42PQ2000 40467 9E13 139E

50PQ2000 50276 C464 64C4

50PS3000 50278 C466 66C4

50PS6000 50280 C468 68C4

60PS4000 50290 C472 72C4

42PQ1000 40473 9E19 199E

42PQ1100 40475 9E1B 1B9E

50PQ1000 50296 C478 78C4

Page 10: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 10 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

5.2 Confirmation1) Press ‘InStart’ Key on Factory SVC Remote Controller, It ispossible to check ADC & EDID ADJ

2) Select “Channel Recovery” and press navigation key(G).

6. SET assembly adjustment method

Caution : Each PCB assembly must be checked by check JIG set.(Because power PCB Assembly damages to PDP Module,

especially be careful)

7. POWER PCB Assembly Voltage Adjustment (Va, Vs voltage Adjustment)

7.1. Test Equipment: D.M.M 1EA

7.2. Connection Diagram for Measuring:Refer to fig.1

7.3. Adjustment Method

(1) Va adjustment 1) Connect + terminal of D. M.M. to Va pin of P811, connect -

terminal to GND pin of P811.2) After turning VR901,voltage of D.M.M adjustment as same

as Va voltage which on label of panel right/top (deviation;±0.5V)

(2) Vs adjustment 1) Connect + terminal of D. M..M. to Vs pin of P811, connect

-terminal to GND pin of P811.2) After turning VR951, voltage of D.M.M adjustment as same

as Vs voltage which on label of panel right/top (deviation ;±0.5V)

8. Download Serial Number (RS-232C)(1) Press “Power on” key of service R/C.(Baud rate : 115200

bps)(2) Connect RS232 Signal Cable to RS-232 Jack.(3) Write Serial number by use RS-232.(4) Must check the serial number at the Diagnostics of SET

UP menu. (Refer to below ‘6.SET INFORMATION’).

9. Adjustment of White Balance

9.1. Required Equipment(1) Remote controller for adjustment (2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same

product) : CH 10 (PDP) [ Please adjust CA-210, CA-100+ by CS-1000 before

measuring

(3) Auto W/B adjustment instrument(only for Auto adjustment)(4) 9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B

EQUIPMENT.

9.2. AUTO White Balance ProcessBefore Adjust of White Balance, Please press POWER ONLYkeyAdjust Process will start by execute RS232C Command

O Color temperature standards according to CSM and Module

O CS-1000/CA-100+/CA-210(CH 10) White balanceadjustment coordinates and color temperature.

PLASMA Remark

11000K

9300K

6500K

Cool

Medium

Warm

CSM

Color Coordinate

x y

0.283

0.293

0.329

11,000K

9,300K

6,500K

0.002

0.002

0.002

0.276

0.285

0.313

Cool

Medium

Warm

CSM Temp ±Color Coordinate

Page 11: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 11 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

9.3. Manual W/B Process (using adjusts Remote control)Please Adjust in AV 1 MODE, Turn off Energy Saving Mode.

(1) Enter “PICTURE RESET” on Picture Mode, then turn offFresh Contrast and Fresh colour in Advanced Control

(2) After enter Service Mode by pushing “ADJ” key,(3) Enter White Pattern off of service mode, and change off ->

on.(4) Enter “W/B ADJUST” by pushing “G” key at “3. W/B

ADJUST”. (5) Adjust W/B DATA, for all CSM, choose ‘COPY ALL’

[ Gain Max Value is 192. So, Never make any Gain Valueover 192 and please fix one Value on 192, between R, Gand B.

9.4. Auto-control Interface and Directions(1) Adjust in the place where the influx of light like floodlight

around is blocked.(Illumination is less than 10ux).

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

(3) Aging time After aging start, keep the Power on (no suspension ofpower supply) and heat-run over 5 minutes

9.5. Auto Adjustment Map(RS232C)

10. Checking the EYE-Q Operation(1) Press the EYE Key on the adjustment remote controller.(2) Check the Sensor DATA (It must be under 10) and keep

the data longer than 1.5s(3) Check ‘OK’

(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12)[ IF you press IN-STAP Button, change Green Eye-check OSD.

11. Set Information(Serial No & Model name)

11.1. Check the Serial Number & Model Name(1) Push the menu button in DTV mode. (2) Check the Serial Number

Select the STATION ==> Diagnostics ==> To set

Page 12: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

12. SW Download Guide.* Put a *.bin to USB Stick and Turn on TV

1. Put the USB Stick to the USB socket2. 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, USB data isautomatically detecting.

3. Show the message “Copying files from memory”

4. Updating is staring.

5. Updating Completed, The TV will restart automatically.After turn on TV, Please press ‘IN-STOP’ button on ADJRemote-control.

* IF you don’t have ADJ R/C, enter ‘Factory Reset’ in OPTIONMENU.

6. When TV turn on, check the Updated version on DiagnosticsMENU.

- 12 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

Page 13: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

BLOCK DIAGRAM

- 13 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LV

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Page 14: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 14 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

POWER FLOW DIAGRAM

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1

KE

Y-

ON

24

5V

ST

23

SM

W20

0-2

4CW

af er

Vs-

ON

AC

D

ET

GN

D

GN

D

5V

5V

GN

D

12

V

GN

D

17

V

20

18

16

14

12

108642

RL

-ON

5V

DE

T

GN

D

GN

D

5V

ST

5V

GN

D

12

V

GN

D

17

V1 19

17

15

13

119753

P1

P_K

EY

GP

IO9

0

AP

21

25

3.3

VS

T

Mst

ar

FE

T(Q

303)

AZ

10

84

S-3

.3

AZ

11

17

H-A

DJ

3.3

V_M

ST

1.8

V_M

ST

1.3

V_

VD

DC

MP

23

05D

S

AZ

11

17

H-1

.2

1.2

V_

PV

SB

VS

B IC

DD

R

5V

ST

FE

T(Q

504)

Pow

er_

SW

VS

B_C

trl

5V

_MS

T

AV

DD

_MP

LL

VD

DP

AV

DD

_M

EM

PLL

AV

DD

_AD

CA

VD

D_

DM

AV

DD

_OT

GA

VD

D_A

UA

VD

D_

LPLL

AV

DD

_33

AV

DD

_DD

R

1.3V

_VD

DC

AV

DD

_MLI

NK

DD

R1.

8V

3.3

V_

PV

SB

1.2V

_DV

DD

3.3V

_DV

DD

3.3V

_AV

DD

US

BM

IC2

01

9YM

6

5V

5V

_US

B

HD

MI

swit

ch

12

V

KIA

78

08

AF

5V

_TU

Tu

ner

Au

dio

A

MP

HD

CP

NV

RA

M

Ser

ial

Fla

sh

17

V

EE

PR

OM

(R

GB

)

MA

X3

23

2

EE

PR

OM

(H

DM

I)

L312

L326 L313

L30

1

L32

5

IC30

1

L32

3

L30

8L

307

L30

6L

305

L30

4L

303

L30

2L

309

L32

1

L31

6

L31

9L

320

L50

4

IC30

2

IC30

5IC

304

IC80

4

IC50

3

IC50

2 3.3V

_AM

P_D

VD

D3.

3V_A

MP

_AV

DD

L10

11

L10

10

L50

1

L50

3

L324

L33

1

<M

star

Pow

er S

eque

nce>

AZ

11

17

H-A

DJ

IC50

5

Page 15: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 15 - LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

HW Power On Sequence (LGE2872A)

Page 16: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 16 - LGE Internal Use Only

EXPLODED VIEW

A10

900

901

400

520

590

240

250

300

305

301

303

302

200

120

580 26

0

270

603

602

501

A2

LV1

570

560

310

330

601

600

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

Page 17: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

- 16 - LGE Internal Use Only

EXPLODED VIEW

A10

900

901

400

520

590

240

250

300

305

301

303

302

200

120

580 26

0

270

603

602

501

A2

LV1

570

560

310

330

601

600

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

Page 18: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

MS_LRCK

SC1_CVBS_IN

100R102

0.1uFC122

SIDE_L_IN

0.1uF C142

4.7KR107

SIDE_C_IN

1.2KR170

Flash_WP_1

100R144

MU

TE

SCL_EXPANDER

100R114

100R110

SPI_SDI

5V_ON

SPI_SCK

AC_DET

KEY2

LED_RED

22KR133

100R185

SC_REC1

100R115

DSUB_G

TV_L_OUT

22K

R127

DTV/MNT_R_OUT

SC1_FB

DSUB_B

RS232C_TXD

SC2_L_IN

0.1uFC101

SPI_SCK

DTV/MNT_V_OUT

+3.3V_AVDD_DVI

MS_SCK

1KR146

LED_RED

100R168 OPT

0.1uFC102

100R109

1KOPT

R145D

ISP

_E

N

1uF25V

C143

SC1_L_IN4.7KR106

SPI_SDI

TV_R_OUT

COMP_Pr

SPDIF_OUT

AUDIO_MASTER_CLK

SC2_CVBS_IN

SPI_SDO

COMP_Y

PC_R_IN

DSUB_VSYNC

SC1_R_IN

SYSTEM_SCL

001:D16;001:V5

VAVS_ON

DSUB_HSYNCIR

100R192

POWER_ON/OFF1

1KOPT

R142

SYSTEM_SDA

001:D16;001:V5

KEY1

SPI_CSN_1

SIDE_CVBS_IN

AMP_RST

SC2_R_IN

DSUB_R

Flash_WP_1MS_LRCH

100R195

22K

R128

SC2_ID

SPI_SDO

0.01uFOPT

C152

SDA_D_TU

SCL_D_TU

PC_L_IN 0.01uF

C150100R108

0

OPT

R100

DTV/MNT_L_OUT

100R169

22K

R132

100R111

SIDE_R_IN

SC_REC2

1KR141

SPI_CSN_1

0.1uF50V

C147

COMP_Pb

TV_CVBS+

0.01uF

C149

SIDE_Y_IN

0.01uFOPT

C153

390

1%

R182

0.047uFC108 FULL SPEC

0.047uFC125

0.047uFC106 FULL SPEC

0.047uFC130 FULL SPEC

0.047uFC127

0.047uFC128 FULL SPEC

0.047uFC126 FULL SPEC

0.047uFC116

FULL SPEC0.047uFC117

FULL SPEC

0.047uFC115

47R181

47R161FULL SPEC

47R183

47R174FULL SPEC

47R190FULL SPEC

47R187

47R188FULL SPEC

47R186FULL SPEC

47R177FULL SPEC

47R172FULL SPEC

47R171

56000pFC151

56000pF

C154

LED_GRE

5V

_H

DM

I_1

5V

_H

DM

I_2

SC1_G

SC1_R

SC1_B

47R160FULL SPEC

SIDE_CVBS_DET

SCART2_DETSCART1_DET

22 R131SCL_EXPANDER

SDA_EXPANDER22 R130

COMP_DET

10

0R

12

6

FU

LL

SP

EC

10

0R

12

2

USB

_OC

D

COMP_R_IN

COMP_L_IN

0.047uFC107 FULL SPEC

510R163FULL SPEC510R164FULL SPEC

USB

_CT

L1

00

R1

39

RS232C_RXD

CAT24WC08W-TIC102

3A2

2A1

4VSS

1A0

5 SDA

6 SCL

7 WP

8 VCC

SYSTEM_SDA001:F19;001:V5

4.7KR101

22R104

SYSTEM_SCL001:F19;001:V5

22R103

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_3

1MR156

DDC_SDA_3

HPD2

22R150

USB_DP

HPD3

SYSTEM_SCL

DDC_SDA/UART_TX

12MHzX100

SIF+

USB_DM

SYSTEM_SDA

22 R155

22R154

DDC_SCL/UART_RX

+3.3V_AVDD

4.7

KR

11

3

OPT

4.7

K

OPT

R1

12

0.1

uF

C1

69

SDA_EXPANDER

4.7

KR

12

9

4.7

KR

15

7

5V

_C

I_C

TL

SC

1_V

OU

T_M

UT

E

JTP-1127WEMSW100

12

4 3

5V_MNT

S_DET

22R151

22R149

5V

_H

DM

I_3

10

0R

19

3F

UL

L S

PE

C

RGB_DET

0.1uFC104

0.1uFC170

+3.3V_EXPANDER

+1.8V_EXPANDER

+3.3V_EXPANDER

DDC_SCL_2

DDC_SDA_2

100 R152

100 R153

0.047uFC11447R176

47R173 0.047uFC119

0.047uFC12147R180

47R189 0.047uFC129

47R178FULL SPEC

0.047uFC118FULL SPEC

0.1uF C155

0.1uF C156

0.1

uF

C1

67

100R124

100R123

100R135100R136

100R134

22pF50V

C159

OPT

22pF50V

C160

OPT

22pF50V

C157

OPT

22pF50V

C158

OPT

0.1uFC1230.1uFC124

DDC_SDA/UART_TX

4.7KR116OPT

+5V_ST

+5V_ST

47

uF

16V

C1

66

47

uF

16V

C1

68

R13

OPT

R12

OPT

0.047uFC111

0.047uFC110

47R165

47R175

0R15OPT

+5V_SYS

+3.3V_VDDP_ST

+3.3V_AVDD

10KR140

10KR148

FULL SPEC

0.047uFC11247R166

100R118

100R117

0.047uFC12047R179

10KR196

FULL SPEC

D0-_HDMI3

CK+_HDMI1

CK-_HDMI1

D0-_HDMI1

D2-_HDMI2

D0+_HDMI2

CK-_HDMI3

D2+_HDMI3

D2+_HDMI2

D1-_HDMI3

D2+_HDMI1

D1-_HDMI1

D2-_HDMI3

D0+_HDMI3

D1+_HDMI3

D1+_HDMI2

CK-_HDMI2

D1+_HDMI1

D0+_HDMI1

D0-_HDMI2

CK+_HDMI2

D2-_HDMI1

D1-_HDMI2

CK+_HDMI3

DDC_SCL_1

DDC_SDA_1

HPD1

SC1_ID100R197

+5V_SYS

2SA1504SQ100

E

B

C

+3.3V_VDDP_ST

1KR10

10KR14

10KR11

KDS226D100

A

AC

C

0R18

0R17

OPT

47uF16V

C174

12MHzX101

1MR21

RT

C_IN

T

RTC_INT0 RTCR20

0R22

+3.3V_EXPANDER

10K

R2

3O

PT

10K

R2

5F

OR

HD

10K

R2

6O

PT

10K

R2

4F

UL

L-H

D

ROM_RX

ROM_TX

TU

_SL

EE

P_M

OD

E

CE6355_RESET_N

XC5000_RESET_N

3216

4.7uF16V

C144 4.7uF16V

C148

10uF6.3V

C172

10uF6.3V

C171

100R30

RL_ON

22R32

22R34

100R199

0.1uFC177

0.1uFC178

10R31

33KR159

0R191

KD

S181

D1

01

+3.3V_VDDP_ST

4.7uF10V

C179

+3.3V_VDDP_ST

100R35

470R184FULL SPEC

470R167

470R162FULL SPEC 1nFC109 FULL SPEC

1nFC131 FULL SPEC

1nFC113

LED_GRE

AT24C512BN-SH25-TIC110

3NC

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

4.7KR36

SDA_SUB/AMP

4.7KR120

SCL_SUB/AMP

4.7KR121

+3.3V_CI

+3.3V_CI

4.7KR39

SCL_GREENEYE

4.7KR38

SDA_GREENEYE

0

R4

0

GR

EE

NE

YE

_CT

RL

0.1

uF

C1

80

22R143

20pFC175

20pFC176

20pFC161

20pFC162

LGE40RC-LF

IC109

1GPIO32

2GPIO33

3GPIO34

4GPIO35

5GND_1

6VDDP

7GND_2

8VDDC

9GPIO36

10GPIO37

11GPIO38

12GPIO39

13

GP

IO0

0

14

GP

IO0

1

15

GP

IO0

2

16

GP

IO0

3

17

GP

IO0

4

18

GP

IO0

5

19

GP

IO0

6

20

GP

IO0

7

21

GP

IO0

8

22

GP

IO0

9

23

GP

IO1

0

24

GP

IO1

1

25 GPIO1226 GPIO1327 GPIO1428 GPIO1529 HWRESET30 XIN31 I2C_SDA32 I2C_SCL33 GPIO1634 GPIO1735 GPIO1836 GPIO19

37

GP

IO2

0

38

GP

IO2

1

39

GP

IO2

2

40

GP

IO2

3

41

GP

IO2

4

42

GP

IO2

5

43

GP

IO2

6

44

GP

IO2

7

45

GP

IO2

8

46

GP

IO2

9

47

GP

IO3

0

48

GP

IO3

1

MSD237HFG(SATURN4 NO-SD HD DIVX)IC100

GPIO148U2

GPIO147T2

GPIO146P4

GPIO145P3

GPIO144N6

GPIO16F3

GPIO14E9

GPIO4V11

GPIO3V10

RXA0NH2

RXA0PH1

RXA1NJ2

RXA1PJ1

RXA2NK2

RXA2PK1

RXACKNG2

RXACKPG1

RXB0ND2

RXB0PD1

RXB1NE2

RXB1PE1

RXB2NF2

RXB2PF1

RXBCKNC2

RXBCKPC1

RXC0NW9

RXC0PY9

RXC1NW10

RXC1PY10

RXC2NW11

RXC2PY11

RXCCKNW8

RXCCKPY8

VCLAMPG4

REXTF5

REFMG6

REFPG5

RIN0ML1

RIN0PL2

GIN0MM1

GIN0PM2

BIN0MN1

BIN0PN2

SOGIN0J5

HSYNC0L7

VSYNC0M7

RIN1PH6

GIN1PH5

BIN1PH3

SOGIN1H4

HSYNC1G7

VSYNC1G8

RIN2PL6

GIN2PL4

BIN2PL3

SOGIN2L5

HSYNC2K5

VSYNC2K6

VCOM1R1

VCOM0R2

CVBS7K4

CVBS6J4

CVBS5K3

CVBS4J3

CVBS3M3

CVBS2P1

CVBS1M4

CVBS0P2

CVBSOUTT1

DREXTM16

DACSVMN16

AUVRMN5

AUVRPN4

AUVAGU3

AUCOMV2

AUL0P5

AUR0P6

AUL1R3

AUR1R4

AUL2Y3

AUR2Y4

AUL3R5

AUR3R6

AUL4T3

AUR4T4

AUL5T5

AUR5T6

AUOUTL0Y6

AUOUTR0W4

AUOUTL1V3

AUOUTR1U4

AUOUTL2Y5

AUOUTR2W3

PWM5R15

PWM4T15

PWM3U16

PWM2T16

PWM1P16

PWM0R16

SAR5V16

SAR4V15

SAR3U15

SAR2V14

SAR1Y12

SAR0W12

I2S_OUT_MCKE16

I3S_OUT_BCKE12

I4S_OUT_WSF16

I5S_OUT_SDE11

I6S_OUT_MUTEE10

SPDIFOE14

I2S_IN_BCKG16

I3S_IN_WSH16

I4S_IN_SDG15

SPDIFIF15

SCKY13

SDIW13

SDOY14

SCZW14

IRINM18

INTL18

USB_DM_P0A2

USB_DP_P0A1

USB_DM_P1B2

USB_DP_P1B1

USB_CID_P1E7

USB_VBUS_P1E8

TAGCM5

VR27M6

VR12N3

SIFMW2

SIFPY2

VIFMW1

VIFPY1

DDCA_SDAP15

DDCA_SCLP14

DDCDA_SDAF6

DDCDA_SCLG3

DDCDB_SDAE4

DDCDB_SCLE6

DDCDC_SDAT14

DDCDC_SCLR14

DDCR_SDAY15

DDCR_SCLW15

HOTPLUGAF4

HOTPLUDBE5

HOTPLUDCN15

CECE3

HWRESETU14

XINV1

XOUTU1

MSD237HFG(SATURN4 NO-HD DIVX)IC100-*1

GPIO148U2

GPIO147T2

GPIO146P4

GPIO145P3

GPIO144N6

GPIO16F3

GPIO14E9

GPIO4V11

GPIO3V10

RXA0NH2

RXA0PH1

RXA1NJ2

RXA1PJ1

RXA2NK2

RXA2PK1

RXACKNG2

RXACKPG1

RXB0ND2

RXB0PD1

RXB1NE2

RXB1PE1

RXB2NF2

RXB2PF1

RXBCKNC2

RXBCKPC1

RXC0NW9

RXC0PY9

RXC1NW10

RXC1PY10

RXC2NW11

RXC2PY11

RXCCKNW8

RXCCKPY8

VCLAMPG4

REXTF5

REFMG6

REFPG5

RIN0ML1

RIN0PL2

GIN0MM1

GIN0PM2

BIN0MN1

BIN0PN2

SOGIN0J5

HSYNC0L7

VSYNC0M7

RIN1PH6

GIN1PH5

BIN1PH3

SOGIN1H4

HSYNC1G7

VSYNC1G8

RIN2PL6

GIN2PL4

BIN2PL3

SOGIN2L5

HSYNC2K5

VSYNC2K6

VCOM1R1

VCOM0R2

CVBS7K4

CVBS6J4

CVBS5K3

CVBS4J3

CVBS3M3

CVBS2P1

CVBS1M4

CVBS0P2

CVBSOUTT1

DREXTM16

DACSVMN16

AUVRMN5

AUVRPN4

AUVAGU3

AUCOMV2

AUL0P5

AUR0P6

AUL1R3

AUR1R4

AUL2Y3

AUR2Y4

AUL3R5

AUR3R6

AUL4T3

AUR4T4

AUL5T5

AUR5T6

AUOUTL0Y6

AUOUTR0W4

AUOUTL1V3

AUOUTR1U4

AUOUTL2Y5

AUOUTR2W3

PWM5R15

PWM4T15

PWM3U16

PWM2T16

PWM1P16

PWM0R16

SAR5V16

SAR4V15

SAR3U15

SAR2V14

SAR1Y12

SAR0W12

I2S_OUT_MCKE16

I3S_OUT_BCKE12

I4S_OUT_WSF16

I5S_OUT_SDE11

I6S_OUT_MUTEE10

SPDIFOE14

I2S_IN_BCKG16

I3S_IN_WSH16

I4S_IN_SDG15

SPDIFIF15

SCKY13

SDIW13

SDOY14

SCZW14

IRINM18

INTL18

USB_DM_P0A2

USB_DP_P0A1

USB_DM_P1B2

USB_DP_P1B1

USB_CID_P1E7

USB_VBUS_P1E8

TAGCM5

VR27M6

VR12N3

SIFMW2

SIFPY2

VIFMW1

VIFPY1

DDCA_SDAP15

DDCA_SCLP14

DDCDA_SDAF6

DDCDA_SCLG3

DDCDB_SDAE4

DDCDB_SCLE6

DDCDC_SDAT14

DDCDC_SCLR14

DDCR_SDAY15

DDCR_SCLW15

HOTPLUGAF4

HOTPLUDBE5

HOTPLUDCN15

CECE3

HWRESETU14

XINV1

XOUTU1

2 .2uF16V C132

2.2uF16V C133

2.2uF16V C139FULL SPEC

2.2uF16V C141FULL SPEC

2.2uF16V C135

2.2uF16V C136FULL SPEC

2.2uF16V C140FULL SPEC

2.2uF16V C134

2.2uF16V C137FULL SPEC2.2uF16V C138FULL SPEC

10uF16V

C173

47KR105

22R137

MX25L12805DMI-20GIC103

3NC_1

2VCC

4NC_2

1HOLD

6NC_4

5NC_3

7CS

8SO

9WP/ACC

10GND

11NC_5

12NC_6

13NC_7

14NC_8

15SI

16SCLK

//BOOTSTRAP PWM[1:0]=10

EEPROM

VIDEO IN

AUDIO

I2S

FLASH

HDMI

2 0 0 9 . 0 4 . 1 5

MAIN_1 1 11

IC105: EAN43349001(STM)

I/0 EXPANSION

HDCP EEPROM

*Msta r r e se t :Ac t ive h igh rese tVOLTAGE DETECTOR

ACTIVE LOW

Flash memory CS/WP pul l -up Res is tor Ready(4 .7K)_080402

EAX57566204

HDMI3 SIDE HDMI

HDMI1

HDMI2

16M FLASH MEMORY

K5:CVBS OUT2 REV2‘

Swap port TX, RX

S h o u l d b e o n t o p s i d e o f P C B b e c a s e o f d e b u g g i n g

GPIO15: XOUT

1.MSG1040C --> MSG1040RC

3 . G P I O : 4 0 p c s - - > 3 9 p c s4.GPIO0: RTC_INT5.GPIO15: XOUT

2.PWM is Dele ted & RTC is added

REVISION

PWM pin delete

READY FOR H/W OPTION08 .07 .10

Upda ted 08 .07 .10

OCD IS OPTTION.(see the sheet6)B e c a u s e O C D f u n c t i o n o f I C i s a u t o m a t i c a l l y o p e r a t e d .

OCD IS OPTTION.(see the sheet6)

A_IIC EXCEPT TO CHIPTUNER

MSTAR REQUEST 32.768K READY is OUT over SPEC08 .09 .12

TO POWER B/D(RL_ON)Need to check RTC_INT

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 19: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

LVA_1M

A_MDATA[1]

LVB_0P

PCM_OE_N

LVA_1P

A_MADR[9]

PCM_D[0-7]

LVB_CKM

A_MADR[2]

A_MDATA[0]

A_MDATA[2]

A_MADR[0]

A_MDATA[6]

TS_CLK

A_MCLK+BUF_TS_SYNC

LVA_CKM

A_MADR[7]

LVB_4P

A_BA0

PCM_CE_N

LVA_3M

A_MDATA[7]

A_MDATA[4]

LVB_2P

PCM_IOWR_N

LVA_CKP

LVB_4M A_MDATA[12]

A_MDATA[8]

A_MADR[8]

PCM_REG_N

A_RAS

A_MADR[11]

A_DQM0

BUF_TS_VAL

TS_D[0-7]

A_MDATA[14]

LVA_3P

LVB_2M

PCM_IRQA_N

TS_SYNC

A_CAS

A_MADR[10]

A_MADR[3]

LVA_2P

LVB_3P

A_DQM1

A_MCLK-

PCM_RESET

A_MDATA[13]

A_MADR[5]

LVA_4P

A_MADR[4]

LVB_1P

LVB_CKP

A_MDATA[11]

PCM_WAIT_N

A_MADR[6]

A_MDATA[15]

A_MDATA[10]

LVA_2M

A_MDATA[3]

LVB_3M

BUF_TS_DATA[0]

PCM_WE_N

PCM_A[0-14]

A_MADR[1]

LVA_0P

A_BA1

TS_VALID

A_WE

LVB_1M

A_MDATA[5]

BUF_TS_CLK

A_MDATA[9]

PCM_CD_N

A_CLKE

LVA_0M

A_MADR[12]

LVA_4M

LVB_0M

PCM_IORD_N

22 R218

22 R217

22 R21422 R213

22 R219

22 R220

22 R21622 R215

A_DQS1M

A_DQS1P

A_DQS0M

A_DQS0P

A_ODT

1/1

0W 1K1%

R2

31

1/10W

1K

1%

R232

B_DQM0

B_MDATA[0]

B_MDATA[2]

B_MADR[12]

B_WE

B_DQS1P

B_MADR[1]

B_MDATA[12]

B_MCLK-

B_MADR[2]

B_BA1

B_MADR[6]

B_MDATA[1]

B_MADR[0]

B_MDATA[7]

B_MADR[5]

B_MDATA[6]

B_MADR[4]

B_ODT

B_MDATA[4]

B_MDATA[15]

B_MDATA[11]

B_MDATA[14]

B_RAS

B_MADR[11]

B_MDATA[9]

B_MDATA[3]

B_MCLK+

B_DQS1M

B_DQM1

B_CAS

B_MADR[7]

B_MADR[10]

B_CLKE

B_DQS0P

B_MDATA[5]

B_DQS0M

B_MADR[8]

B_MADR[9]

B_BA0

B_MDATA[13]

B_MDATA[8]

B_MDATA[10]

B_MADR[3]

1/16W22

AR200

1/16W

22

AR201

1/16W

22

AR202

1/16W

22

AR203

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.

0.1uF50V

C214

0.1uF50V

C205 +1.25V_VDDC

+3.3V_AVDD_LPLL

0.1uF50V

C201

+3.3V_AVDD_MPLL

+1.8V_DDR2_MAIN

0.1uF50V

C203

+1.25V_AVDD_DVI

0.1uF50V

C207

0.1uF50V

C209

+3.3V_AVDD_AU

0.1uF50V

C206

0.1uF50V

C213

0.1uF50V

C210

+3.3V_AVDD_MEMPLL

+3.3V_AVDD_ADC

0.1uF50V

C208

0.1uF50V

C200

0.1uF50V

C215

0.1uF50V

C204

0.1uF50V

C216+3.3V_VDDP

0.1uF50V

C202

+3.3V_AVDD_VIF

+3.3V_AVDD_OTG

HDMI_CEC

0.1uF50V

C217

56R258

56R229

56R239

56R237

56R259

56R226

56R236

56R247

56R241

56R249

56R225

56R245

56R255

56R228

56R243

56R253

56R257

56R256

56R248

56R252

56R235

56R227

56R244

56R260

56R254

56R246

56R240

56R238

56R242

56R230

33 R222

33 R223

33 R224

33 R221

100 R212

56R276 1G

56R277 1G

A_BA2

B_BA2

33R234

33R251

33R233

33R250

0R278

OPT

0R279

+1.8V_DDR2_MAIN

MSD237HFG(SATURN4 NO-SD HD DIVX)IC100

GND_1B15

GND_2D7

GND_3D8

GND_4D12

GND_5D13

GND_6F7

GND_7J9

GND_8J10

GND_9J11

GND_10J12

GND_11J13

GND_12K9

GND_13K10

GND_14K11

GND_15K12

GND_16K13

GND_17L9

GND_18L10

GND_19L11

GND_20L12

GND_21L13

GND_22L19

GND_23L20

GND_24M9

GND_25M10

GND_26M11

GND_27M12

GND_28M13

GND_29W6

GND_30W7

AVDD_AUP8

AVDD_LPLLK18

AVDD_MPLLN7

AVDD_MEMPLLD14

AVDD_33_1H7

AVDD_33_2J6

AVDD_33_3J7

AVDD_33_4K7

AVDD_USBF8

AVDD_VIFP7

AVDD_DMP13

VDDP_1N8

VDDP_2N12

VDDP_3P11

VDDP_4P12

AVDD_DDR_1G11

AVDD_DDR_2G12

AVDD_DDR_3G13

AVDD_DDR_4G14

AVDD_DDR_5H14

AVDD_DVIG10

VDDC_1H9

VDDC_2H10

VDDC_3J15

VDDC_4K15

VDDC_5L15

VDDC_6M15

VDDC_7N10

VDDC_8N11

VDDC_9P10

MSD237HFG(SATURN4 NO-SD HD DIVX)IC100

LVA0MV20

LVA0PV19

LVA1MW20

LVA1PY20

LVA2MY19

LVA2PW19

LVACKMY18

LVACKPW18

LVA3MY17

LVA3PW17

LVA4MY16

LVA4PW16

LVB0MM20

LVB0PM19

LVB1MN20

LVB1PN19

LVB2MP20

LVB2PP19

LVBCKMR20

LVBCKPR19

LVB3MT20

LVB3PT19

LVB4MU20

LVB4PU19

TS0DATA[7]V5

TS0DATA[6]T8

TS0DATA[5]T7

TS0DATA[4]R8

TS0DATA[3]R7

TS0DATA[2]U6

TS0DATA[1]U5

TS0DATA[0]V4

TS0CLKY7

TS0VALIDV6

TS0SYNCW5

TS1DATAM17

TS1CLKN18

TS1VALIDL17

TS1SYNCP18

PCM_D[7]/CI_D[7]U7

PCM_D[6]/CI_D[6]U8

PCM_D[5]/CI_D[5]U9

PCM_D[4]/CI_D[4]T9

PCM_D[3]/CI_D[3]R9

PCM_D[2]/CI_D[2]P9

PCM_D[1]/CI_D[1]R10

PCM_D[0]/CI_D[0]R11

PCM_A[14]/CI_A[14]V7

PCM_A[13]/CI_A[13]V8

PCM_A[12]/CI_A[12]U10

PCM_A[11]/CI_A[11]T10

PCM_A[10]/CI_A[10]T11

PCM_A[9]/CI_A[9]V9

PCM_A[8]/CI_A[8]U11

PCM_A[7]/CI_A[7]R12

PCM_A[6]/CI_A[6]T12

PCM_A[5]/CI_A[5]U12

PCM_A[4]/CI_A[4]V12

PCM_A[3]/CI_A[3]R13

PCM_A[2]/CI_A[2]T13

PCM_A[1]/CI_A[1]U13

PCM_A[0]/CI_A[0]V13

PCMIOR/CI_RDU18

PCMIOW/CI_WRT18

PCMREG/CI_CLKU17

PCMCEN/CI_CST17

PCMIRQ/CI_INTR17

PCMWAIT/CI_WACKR18

PCMOENV18

PCMWENV17

CI_RSTP17

CI_CDN17

A_MVREFE13

A_DDR2_DQM[1]A10

A_DDR2_DQM[0]C9

A_DDR2_DQS[1]C8

A_DDR2_DQS[0]B9

A_DDR2_DQSB[1]B8

A_DDR2_DQSB[0]A9

A_MDATA[15]A8

A_MDATA[14]B10

A_MDATA[13]A7

A_MDATA[12]A11

A_MDATA[11]B11

A_MDATA[10]B7

A_MDATA[9]C10

A_MDATA[8]C7

A_MDATA[7]C6

A_MDATA[6]C11

A_MDATA[5]C5

A_MDATA[4]C12

A_MDATA[3]B12

A_MDATA[2]A6

A_MDATA[1]A12

A_MDATA[0]B6

A_MADR[12]C13

A_MADR[11]D4

A_MADR[10]C14

A_MADR[9]A14

A_MADR[8]D5

A_MADR[7]B13

A_MADR[6]D6

A_MADR[5]B14

A_MADR[4]A3

A_MADR[3]A13

A_MADR[2]B3

A_MADR[1]A15

A_MADR[0]C3

A_BADR[2]F14

A_BADR[1]D10

A_BADR[0]D9

A_MCLKB5

A_MCLKZA5

A_MCLKED11

A_ODTC4

A_WEZD3

A_RASZB4

A_CASZA4

B_MVREFE15

B_DDR2_DQM[1]F18

B_DDR2_DQM[0]E20

B_DDR2_DQS[1]D20

B_DDR2_DQS[0]E19

B_DDR2_DQSB[1]D19

B_DDR2_DQSB[0]E18

B_MDATA[15]D18

B_MDATA[14]F19

B_MDATA[13]C18

B_MDATA[12]G18

B_MDATA[11]G19

B_MDATA[10]C19

B_MDATA[9]F20

B_MDATA[8]C20

B_MDATA[7]B20

B_MDATA[6]G20

B_MDATA[5]A20

B_MDATA[4]H20

B_MDATA[3]H19

B_MDATA[2]B18

B_MDATA[1]H18

B_MDATA[0]B19

B_MADR[12]K20

B_MADR[11]C15

B_MADR[10]J20

B_MADR[9]K19

B_MADR[8]A16

B_MADR[7]J17

B_MADR[6]D15

B_MADR[5]H17

B_MADR[4]B16

B_MADR[3]G17

B_MADR[2]D16

B_MADR[1]F17

B_MADR[0]C16

B_BADR[2]K17

B_BADR[1]E17

B_BADR[0]J19

B_MCLKA19

B_MCLKZA18

B_MCLKEJ18

B_ODTC17

B_WEZD17

B_RASZB17

B_CASZA17

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[8]

PCM_A[9]

PCM_A[10]

PCM_A[11]

PCM_A[12]

PCM_D[0]

PCM_A[13]

PCM_D[1]

PCM_A[14]

PCM_D[2]

PCM_D[3]

PCM_D[4]

PCM_D[5]

PCM_D[6]

TS_D[7]

TS_D[6]

TS_D[5]

TS_D[4]

TS_D[3]

TS_D[2]

TS_D[1]

TS_D[0]

PCM_D[7]

2 11MAIN_2

Next Revis ion Ready (Stand By 0 .2W)_080403

EAX57566204

Need to swap even to odd

for 1G Memory

for 1G Memory

2 0 0 9 . 0 4 . 1 5

AIN_2

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 20: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

A_MDATA[14]

DDR2_A_MDATA[7]

DDR2_B_MDATA[4]

1/16W56AR302

DDR2_A_MADR[0]DDR2_B_MADR[0]

A_DQS0M

0.1

uF

C3

36

DDR2_B_MADR[9]

DDR2_A_MDATA[8]

A_MDATA[2]

A_CLKE

B_MDATA[12]

B_MDATA[10]

DDR2_A_MADR[5]

A_MDATA[6]

DDR2_B_MDATA[2]

B_DQM1

B_CLKE

0.1

uF

C3

32

DDR2_B_MADR[4]

DDR2_B_MDATA[1]

DDR2_A_MADR[12]

0.1

uF

C3

34

A_MADR[4]

DDR2_B_MADR[5]

+1.8V_DDR2_MAIN

1/16W56AR301

B_MDATA[4]

B_MDATA[0]

1/16W56AR311

1/16W56AR306

A_MDATA[8]

DDR2_A_MDATA[4]

DDR2_B_MADR[2]

B_MDATA[3]

0.1

uF

C3

10

B_MADR[8]

0.1

uF

C3

23

B_MADR[12]

DDR2_B_MADR[1]

A_MADR[11]

0.1

uF

C3

29

DDR2_B_MDATA[11]

B_MADR[10]

1K1%

R350

A_BA0

B_MADR[7]

DDR2_B_MDATA[8]

B_DQS1P

DDR2_B_MDATA[5]

DDR2_B_MDATA[2]

0.1

uF

C3

24

DDR2_A_MDATA[8]DDR2_A_MADR[6]

A_WE

A_DQS1P

A_MCLK-

B_BA1

DDR2_A_MADR[12]

DDR2_B_MDATA[10]

A_CAS

+1.8V_DDR2_MAIN

A_MDATA[4]

DDR2_A_MDATA[15]

DDR2_B_MDATA[3]

DDR2_A_MADR[4]

A_MDATA[11]

A_MCLK+

0.1

uF

C3

14

DDR2_A_MADR[10]

A_DQS0P

DDR2_B_MADR[4]

DDR2_A_MDATA[6]

B_MADR[0]

A_RAS

1K1%

R351

DDR2_A_MADR[2]

DDR2_A_MDATA[13]

B_MDATA[2]

DDR2_B_MDATA[13]

DDR2_B_MADR[0]

A_ODT

B_MDATA[7]

A_MDATA[10]

DDR2_A_MDATA[2]

DDR2_B_MDATA[6]

DDR2_A_MADR[0]

DDR2_B_MDATA[0]

DDR2_B_MDATA[3]

A_MADR[8]

DDR2_A_MDATA[0]

0.1uFC302

B_MADR[5]

A_DQS1M

+1.8V_DDR2_MAIN

1/16W56AR307

B_MDATA[5]

A_MDATA[3]

DDR2_A_MADR[1]

A_MDATA[15]

DDR2_B_MADR[10]

DDR2_B_MADR[10]

DDR2_B_MDATA[8]

DDR2_B_MDATA[7]

B_MDATA[11]

B_MDATA[6]

DDR2_B_MADR[7]

B_DQS0M

DDR2_A_MDATA[1]

B_MDATA[1]

0.1

uF

C3

30

0.1

uF

C3

18

DDR2_A_MDATA[9]

0.1uF50V

C320

A_MADR[2]

DDR2_B_MDATA[0]

DDR2_B_MDATA[4]

0.1

uF

C3

15

DDR2_A_MDATA[11]

DDR2_A_MDATA[5]

B_RAS

DDR2_B_MADR[6]

A_MDATA[5]

B_MADR[1]

0.1

uF

C3

07

B_MADR[3]

DDR2_A_MDATA[14]

+1.8V_DDR2_MAIN

DDR2_B_MDATA[5]

+1.8V_DDR2_MAIN

DDR2_A_MADR[7]

DDR2_A_MDATA[6]

DDR2_B_MDATA[15]

DDR2_B_MDATA[13]

A_MADR[3]

B_CAS

B_DQS0P

1/16W56AR310

DDR2_B_MDATA[12]

B_BA0

0.1

uF

C3

06

DDR2_B_MADR[7]

1/16W56AR312

DDR2_A_MDATA[11]

B_MDATA[13]

A_DQM1

DDR2_B_MDATA[14]

DDR2_A_MDATA[2]

1/16W56AR308

DDR2_A_MDATA[12]

A_DQM0

DDR2_B_MADR[5]

0.1

uF

C3

26

DDR2_A_MDATA[3]

DDR2_B_MADR[3]

A_MDATA[13]

DDR2_A_MADR[1]

DDR2_B_MDATA[14]

0.1

uF

C3

35

1/16W56AR303

0.1

uF

C3

08

DDR2_A_MDATA[9]

0.1

uF

C3

17

0 .1uF50V

C301

DDR2_A_MADR[9]

0.1

uF

C3

37

A_MDATA[7]

B_DQM0

DDR2_B_MADR[1]

0.1

uF

C3

31

DDR2_A_MDATA[13]

1/16W56AR300

A_MADR[0]

0.1

uF

C3

28

0.1

uF

C3

12

1/16W56AR305

B_MADR[6]

B_WE

A_MADR[1]

DDR2_A_MADR[2]

A_MADR[6]

A_MADR[7]

0.1

uF

C3

16

1/16W56AR309

A_MADR[12]

DDR2_A_MDATA[1]

DDR2_A_MDATA[5]

B_MCLK-

1K1%

R355

DDR2_A_MDATA[15]

DDR2_A_MDATA[4]

DDR2_B_MADR[12]

DDR2_A_MDATA[0]

DDR2_B_MADR[12]

DDR2_B_MDATA[7]

DDR2_A_MDATA[10]

0.1

uF

C3

05

DDR2_B_MDATA[10]

B_MDATA[14]

B_MADR[2]

DDR2_A_MDATA[14]

B_MDATA[15]

DDR2_B_MDATA[6]

A_MDATA[0]

0.1uFC321

0.1

uF

C3

25

DDR2_A_MADR[7]

B_DQS1M

B_ODT

A_MADR[5]

+1.8V_DDR2_MAIN

B_MADR[11]

DDR2_B_MADR[3]

DDR2_B_MDATA[12]

DDR2_B_MDATA[9]

DDR2_A_MADR[9]

DDR2_B_MDATA[9]

1/16W56AR304

B_MDATA[8]

B_MCLK+

B_MADR[4]

1K1%

R354

DDR2_A_MADR[3]

DDR2_A_MADR[10]

A_MDATA[9]

A_MADR[10]

B_MADR[9]

DDR2_A_MADR[6]

0.1

uF

C3

11

0.1

uF

C3

04

0.1

uF

C3

13

DDR2_A_MADR[3]

A_MDATA[12]

DDR2_B_MADR[9]

DDR2_A_MADR[5]

0.1

uF

C3

27

B_MDATA[9]

A_MDATA[1]

A_MADR[9]

0.1

uF

C3

09

DDR2_B_MDATA[1]

DDR2_A_MADR[4]

DDR2_B_MADR[6]

DDR2_A_MDATA[3]

A_BA1

DDR2_B_MDATA[11]

DDR2_A_MDATA[7]

1/16W56AR313

DDR2_A_MDATA[10]

DDR2_A_MDATA[12]

DDR2_B_MADR[2]

DDR2_B_MDATA[15]

0.1

uF

C3

33

0 .1uF50V

C3190.1uF50V

C300

B_BA2A_BA2

H5PS5162FFR-S6C

HYNIX

EAN55705501

DDR2 SDRAM

IC300

FOR HYNIX 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

H5PS5162FFR-S6C

HYNIX

EAN55705501

DDR2 SDRAM

IC301

FOR HYNIX 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

EDE5116AJBG-8E-E

IC300-*1

FOR ELPIDA

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

EDE5116AJBG-8E-E

IC301-*1

FOR ELPIDA

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

3DDR2 11

EAX57566204

Close to DDR Power PinClose to DDR Power Pin

for 1G Memory for 1G Memory

2 0 0 9 . 0 4 . 1 5

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 21: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

DISP_EN004: I3 ;001 :E9

LVA_3P 004:H6;002:O17

CDS3C05GTA

FOR KEY_ESDC406-*1

CDS3C05GTA

FOR KEY_ESDC405-*1

0 ROM_DLR402

680pFC400

LVA_3M 004:H6;002:O17

PC_SER_DATA 007:AB4

LVA_0M 004:H4;002:O18

0 ROM_DLR401

LVA_0P 004:H5;002:O18

LVA_CKP 004:H6;002:O17

LVA_2P 004:H5;002:O17

100 R400

100R403

10KR406

LVA_1M 004:H5;002:O18

LVA_1P 004:H5;002:O18

LVA_CKM 004:H6;002:O17

LVA_2M 004:H5;002:O18

+5V_ST

10pFC407

KEY2001:V14

IR001:X10

KEY1001:V13

LED_RED

+3.3V_VDDP_ST

LVA_4P 004:H6;002:O16

LVA_4M 004:H6;002:O16

SDA_SUB/AMP

010:D9;001:Y15SCL_SUB/AMP 010:D9;001:Y14

LED_GRE001:I16;001:V15

PC_SER_CLK007:AB3

LVB_0M

LVB_4MLVB_4P

LVB_0P

LVB_3M

LVB_1PLVB_2M

LVB_2P

LVB_CKM

LVB_1M

LVB_3P

LVB_CKP

LVA_2P 004:H14;002:O17

LVA_1P 004:H15;002:O18LVA_1M 004:H15;002:O18LVA_0P 004:H16;002:O18LVA_0M 004:H16;002:O18

LVA_2M 004:H15;002:O18

LVA_4P 004:H13;002:O16

LVA_CKM004:H14;002:O17LVA_CKP004:H14;002:O17

LVA_3P 004:H13;002:O17LVA_4M 004:H13;002:O16

LVA_3M 004:H13;002:O17

DISP_EN004:J11;001:E9

ROM_TX 001:V12

100 R414

100R415

ROM_RX001:O19

33pFOPT

C408

33pFOPT

C410

SCL_GREENEYE

001:AA7

SDA_GREENEYE

001:AA7

0R418

KEY_ON011: I15

0.1uF50V

C414

USB_OCD001:G4

+5V_MULTI

180R426

0R425

USB_CTL001:G4

+5V_USB_N

+5V_MULTI

0R421

0R423

0R422

100R427ROM_TXRX_SWAP

100R428ROM_TXRX_SWAP

4.7uF16V

C403

4.7uF16V

C411

10KR407

BG

20

12

B1

21

FL

40

6

BG2012B121FL403

12507WS-15L

P402

1IR

2GND

3KEY1

4KEY2

5KEY_ON

6GND

7SCL_EYE

8SDA_EYE

9GND

105V_ST

115V_Multi

12GND

13LED_RED

14LED_GRE

16

GND

15PWM

10KR420

33R429OPT

33R431 OPTSCL_TRACE_GRRENEYE

004:T7

SDA_TRACE_GRRENEYE 004:T733 R417

OPT

33 R416

OPT

GREENEYE_CTRL 001:E40 R432

OPT

SDA_TRACE_GRRENEYE004:AA16

SCL_TRACE_GRRENEYE004:AA16

PCA9517DGKRIC402

OPT

3SDAA

2SCLA

4GND

1VCCA

5EN

6SDAB

7SCLB

8VCCB

0 .1uF50V

C415

OPT

+3.3V_CI

10KR435

OPT

10KR437

OPT

33R433

FULL SPEC

33R430

FULL SPEC

MIC2019YM6IC400

3ENABLE

2GND

4FAULT

1VIN

6VOUT

5ILIMIT

10pF

FOR KEY_CC406

10pF

FOR KEY_CC405

SMAW200-26C

P400

FOR HD

1NC

2NC

3ROM_TX

4ROM_RX

5GND

6GND

7GND

8GND

9SCL_SUB

10SDA_SUB

110M

12OP

131M

141P

152M

162P

17CKM

18CMP

193M

203P

214M

224P

23PC_SER_CLK

24PC_SER_DATA

25DISP_EN

26NC

0OPT

R411

2KR404

FOR HD

22R405FOR HD

22

FULL-HD

R413

TF05-51S

P403

FULL-HD

1NC

2NC

3ROM_TX

4ROM_RX

5NC

6GND

7GND

8GND

9NC

10NC

114+

124 -

133+

143 -

15GND

16CK+

17CK-

18GND

192+

202 -

211+

221 -

230+

240 -

25NC

26NC

27D4+

28D4-

29D3+

30D3-

31GND

320CK+

330CK-

34GND

35D2+

36D2-

37D1+

38D1-

39D0+

40D0-

41GND

42NC

43NC

44NC

45NC

46SDA

47DISP_EN

48SCL

49PC_SER_DATA

50PC_SER_CLK

51GND

52

GND

1000pF

FOR EMIC401

1000pF

FOR EMIC402

1000pFC404

FOR EMI

1000pFFOR EMI

C413

1KFULL-HD

R412

MBW2012-301FL407

4 1 1Module&Ctl

IR/CONTROL_REVERSE

Module PANNEL WAFER

EAX57566204

Will be changed for NEW MODEL

KEY ON(NEW POWER B/D

USB 5V CONTROL

Will be changed for NEW MODEL & WAFER IS LOCKING TYPE

2008.09.23 ROM D/L SPEC FIX

TX LVDS NO3/RX LVDS NO4

2 0 0 9 . 0 4 . 1 5

GreenEYE IIC Repeater

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 22: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

0.1uF50V

C5470.1uF50V

C548

+1.8V_TU +3.3V_TU

0.1uF50V

C5490.1uF50V

C5500.1uF50V

C5510.1uF50V

C5520.1uF50V

C5530.1uF50V

C5540.1uF50V

C5570.1uF50V

C558

18pF50V

C502

+3.3V_TU_XE

TU

NE

R_S

IF_IF

_N

00

5:A

11

0 .1uF16V

C504

+1.8V_TU_XE

0.1uF16V

C505

0.1uF16V

C508

+3.3V_TU_XE

CM2012F2R2KTL507

0.1uF16V

C509

0.1uFC510

TU

NE

R_C

VB

S_IF

_P

0 .1uF16V

C512

0.1uF16V

C513

10

00

pF

50V

C5

14

18pF50V

C515

0.1uFC517

0.1uFC518

+3.3V_TU_XE

0.1uF16V

C519

+3.3V_TU_XE

+1.8V_TU_XE

4.99K1%R504

1000pF50V

C521

0.1uF16V

C522

+1.8V_TU_XE

0.1uF16V

C525

+1.8V_TU_XE

IF_A

GC

0 .1uFC528

0.1uF16V

C529

56

pF

50V

C5

32

SD

A_D

_T

U

SC

L_D

_T

U

XC5000_RESET_N

0R

50

8

SAM2333D501

OPT

A2[G

N]

CA

1[R

D]

47KR509

OPT

33

R5

10

+3.3V_TU_CE

+1.8V_TU_CE

DT

V_IF

_P

SCL_D_TU

TU_TS_CLK,TU_TS_DATA[0-7],TU_TS_SYNC,TU_TS_VAL

33

R5

11

0 .1uF16V

R512

+1.8V_TU_CE

33

R5

13

10KR515

22

pF

C5

38

OPT

+3.3V_TU_CE

0.1uF50V

C539

33

R5

16

33

R5

17

33

R5

18

33

R5

19

DT

V_IF

_N

0 .1uF16V

R520

+3.3V_TU_CE

100K

OPTR521

CE6355_RESET_N

33

R5

22

33

R5

23

0.1

uF

16V

C5

41

+1.8V_TU_CE

10KR524

22

pF

C5

42

OPT

+1.8V_TU_CE

SDA_D_TU

10K

OPT

R5

26

+3.3V_TU_CE

+3.3V_TU_CE

33

R5

27

33

R5

28

33

R5

29

10KR530

TU_SLEEP_MODE

0.1uF16V

C544

OPT

+3.3V_TU_CE

1KR532

IF_AGC

0.1uF

C520

4.7KR525

OPT

C5

68

+3.3V_TU_XE

0.1uF16V

C1211

10R507

0.1uF16V

C516

10uF16V

C55510uF16V

C556

+3.3V_TU +3.3V_TU_XE

+3.3V_TU_CE+1.8V_TU_CE+1.8V_TU

+1.8V_TU_XE

20.48MHzX500

CB3216PA501EL511

CB3216PA501EL513

CB3216PA501EL510

CB3216PA501EL512

0.1uF16V

C524

0.1uF16V

C507

0.1

uF

16V

C5

03

0 .1uF16V

C501

0.1

uF

16V

C5

26

0 .1uF16V

C527

100R558

OPT

100R559

OPT

XC5000

IC500

1VDDA_1

2IN1

3GND_1

4IN2

5GND_2

6EXTCHOKE

7GND_3

8VDDA_2

9VDDA_3

10VDDC_1

11GND_4

12VDDC_2

13

VD

DC

_3

14

VD

DA

_4

15

VA

GC

16

VIF

17

VD

DA

_5

18

SIF

19

GN

D_5

20

VD

DC

_4

21

VD

DA

_6

22

GN

D_6

23

VD

DD

_1

24

TE

STM

OD

E

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

37

RE

SE

T3

8V

I2C

39

VD

DC

_64

0V

RE

F_N

41

VR

EF

_P

42

VD

DC

_74

3V

DD

C_8

44

RE

XT

45

VD

DA

_74

6G

ND

_94

7V

DD

C_9

48

VD

DA

_8

39

pF

C531

0603C

S-R

27X

GL

W

27

0n

HL

50

5

120pFC530 0

603C

S-R

39X

GL

W

39

0n

HL

50

4

1008CS-821XGLC820nHC546

27pF50V

C54027pF50V

C543

22KR533

1nF50V

C545

0

R531

RC

LA

MP

1521P

D5

02

OPT

0603CS-6N8XGLW6.8nHL508

CE6355IC501

1VSS_1

2VDD_1

3VSS_2

4CLK1

5DATA1

6IRQ

7CVDD_1

8VSS_3

9RESET

10SLEEP

11STATUS

12SADD4

13VDD_2

14VSS_4

15SADD3

16SADD2

17

SA

DD

1

18

SA

DD

0

19

CV

DD

_2

20

VS

S_5

21

PL

LV

DD

22

PL

LG

ND

23

XT

I

24

XT

O

25

VS

S_6

26

PL

LT

ES

T

27

OSC

MO

DE

28

AV

DD

29

AG

ND

_1

30

VIN

31

VIN

32

AG

ND

_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

MD

O0

50

MD

O1

51

MD

O2

52

MD

O3

53

MD

O4

54

VD

D_5

55

VS

S_

10

56

MD

O5

57

MD

O6

58

MD

O7

59

CV

DD

_56

0V

SS

_1

16

1M

OC

LK

62

BK

ER

R6

3M

ICL

K6

4C

VD

D_6

31.875MHzX501

RC

LA

MP

0502

BD

50

3 C1

A

C2

KC

N-E

T-0

-00

94

JK5

00

1

2

18

pF

50V

C5

11

18

pF

50V C

52

33

1.8

75

MH

z

X5

02

cry

sta

l_2

4G

ND

_21

X-T

AL

_1

2G

ND

_13

X-T

AL

_2

SC1_TV_VOUT

0.1uFC566

+5V_TU

0.1uF16V

C561

+5V_TU

TUNER_CVBS_IF_P 39

0R

55

2

ISA1530AC1

Q501E

B

C

680R556

TV_CVBS+001:M6

39

0R

55

0

ISA1530AC1Q503

E

B

C

+5V_TU

2KR537

39

0R

54

1

ISA1530AC1Q502

E

B

C

2SC3875S(ALY)Q505

0.1

uF

C560

10pFC567

100R538

SC1_VOUT_MUTE

KRA102SQ504

1

2

3

2.7uHL502

0.1uF16V

C565

DTV_IF_P

680R555

+5V_TU

2.7uH

L501

0.1uFC563

39

0R

55

4

SIF+001:V7

+5V_TU

0R557

ISA1530AC1

Q506

E

B

C

39

0R

54

2

ISA1530AC1

Q507E

B

C

DTV_IF_N005:Y4

0.1uFC564

TUNER_SIF_IF_N 10pFC562

1KR

50

1

1KR

50

2

TU

_TS

_VA

L

TU

_T

S_D

AT

A[3

]

TU

_T

S_D

AT

A[6

]

TU

_T

S_D

AT

A[5

]

TU

_T

S_D

AT

A[2

]

TU

_TS

_CL

K

TU

_T

S_D

AT

A[7

]

TU

_T

S_D

AT

A[1

]

TU

_TS

_SY

NC

TU

_T

S_D

AT

A[0

]

TU

_T

S_D

AT

A[4

]

Tuner 5 1 1

EAX57566204

ACTIVE LOW

ACTIVE HIGH

NEED TO CHANGE NEW PAL SHIELD CASE

2 0 0 8 . 0 8 . 3 0

2. EMS S1 Improve1 . F r a n c e A T V c h a n n e l s k i p

08.09.25 CHANGE LOAD CAP AND CRYSTAL

2 0 0 9 . 0 4 . 1 5

08.10.06 CHANGE LOAD CAP 22pF -> 27pF

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 23: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

11KR629

1000pF50V

C603

OPT

10KR637

560pF50V

C637

56pF50V

C611

DTV/MNT_L_OPOUT006:O3

+5V_GENERAL

12KR622

330pF50V

C607

751%

R610

TV_R_OPOUT

006:AA9

2SC3875S(ALY)Q606

E

B

C

0L607-*1

75 1%

R601 100uF

16V

C622

22R623

0L600-*1

SCART 0OHM

3.9K

R633

0L611-*1

12KR660

SC1_FB 001:M8

1KR634

SC_REC2

001:B6

75 1%

R602

10KR652

12KR657

2SC3875S(ALY)Q604

E

B

C

15KR635

751%

R613

12K

R639

0L606-*1

560pF50V

C610

10K

R632

0L608-*1

470K

R604

DTV/MNT_R_OPOUT

006:O8

560pF50V

C613

470KR600

1000pF50V

C623

OPT

56KR626

0L602-*1

SC2_ID001:M11

SC1_R 001:M9

0L604-*1

100uF16V

C616

SC1_ID 001:V14

SC1_B 001:M9

SCART2_DET001:B6

1000pF50V

C626

OPT

751%

R648

470KR643

10K

R6

67

SC1_TV_VOUT005:O6

56KR666

12KR616

0.1uF16V

C620

0L603-*1

75R641

0L609-*1

68R612

SC2_L_IN

001:V19

10KR609

330pF50V

C609

0L601-*1

1KR636

751%

R603

0.1uF16V

C644

330pF50V

C630

SCART1_DET 001:B6

REC_8 006:AB15

+5V_GENERAL

560pF50V

C639

10KR617

1KR670

56pF50V

C635

2SC3875S(ALY)Q605

E

B

C

470K

R645

1000pF50V

C600

SC2_R_IN 001:V19

SC1_CVBS_IN001:M6

10KR654

SC1_G 001:M9

330pF50V

C632

CDS3C30GTH30V

D617

TV_L_OPOUT006:AA3

0R663

REC_8 006:K4

SC_REC1

001:B5

SC2_CVBS_IN001:M7

10KR630

SC1_R_IN 001:V19

SC1_L_IN 001:V19

75R642

P_12V

P_12V

47uF16V

C631

47uF16V

C625

47uF16V

C608

47uF16V

C602

0.1uFC619

6800pFOPT

C618

5.6K R618

6.8KR614

33pFC617

TV_L_OPOUT006:H11

LM324DIC600

3INPUT1+

2INPUT1-

4VCC

1OUT1

6INPUT2-

5INPUT2+

7OUT2 8 OUT3

9 INPUT3-

10 INPUT3+

11 GND

12 INPUT4+

13 INPUT4-

14 OUT4

DTV/MNT_L_OPOUT

006:Y13

10K R625

5.6KR631DTV/MNT_L_OUT

001:AB18

DTV/MNT_R_OUT

001:AB18

DTV/MNT_R_OPOUT

006:Y10

6.8KR659

6800pFOPT

C615

10KR664

6800pFOPT

C614

6.8KR662

33pFC612

10KR658

33pF C606

5.6KR653

P_12V

TV_R_OUT

001:AC15

TV_L_OUT001:AC15

5.6K R651

6800pFOPT

C605

6.8KR624

33pF C604

TV_R_OPOUT006:H8

10K R611

11KR669

DTV/MNT_V_OUT001:M6

82R6752SC3052

Q607

E

B

C

33

0R

68

0

2SC3052Q601

E

B

C

33

0R

68

4

330R688

1K R6

89

27K

R6

90

2SA1504SQ609

E

B

C

330R686

2SC3052Q603

E

B

C

33

0R

68

3

2SA1504SQ602

E

B

C

82R682

33

0R

68

1

27K

R6

78

27K

R6

77

1K R6

72

470R671

2SC3052Q608

E

B

C

CB3216PA501EL612

0LCML00003B

120-ohmL605

8OHML608

8OHML609

BG2012B080TFL600

8OHM

L604

BG2012B080TFL607

8OHML603

8OHML602

BG2012B080TFL601

BG2012B080TFL606

8OHM

L611

10uF16V

C645

10uF16V

C646

10K

R6

87

1.8KR673

0.1uF50V

C647

1KR693

6800pFC650

1KR692

6800pFC649

1KR691

6800pFC648

1KR694

6800pFC651

CB3216PA501EL613

0R695

OPT

0R697

OPT

JK600

1R_OUT

2R_IN

3L_OUT

4GND

5GND

6LIN

7B

8SC_ID

9.

10.

1111

1212

1313

1414

1515

1616

1717

1818

1919

2020

2121

23

23

2222

JK601

1R_OUT

2R_IN

3L_OUT

4GND

5GND

6L_IN

7.

8SC2_ID

9.

10.

1111

1212

1313

1414

1515

1616

1717

1818

1919

2020

2121

23

23

2222

0.1uFC652

OPT

0.1uFC653

0.1uFC654

OPT

0.1uFC655

330R696

330R674

47R685

47R676

GND

SCART 6 1 1

[SCART PIN 8]

5.19V / 10.91V_1Kohm(LOAD)

4.89V / 9.09V_120ohm(LOAD)

SCART

EAX57566204

C h a n g e d 2 4 K t o 1 1 K b e c a u s e o f I D l e v e l2 0 0 8 . 0 7 . 1 1

SCART JACK is changed because of SCART DETECTION siganl.P I N 2 2 i s a d d e d . 0 8 . 0 7 . 1 0

NEED TO CHECK RESISTOR VALUE BECAUSE AUDIO OUTPUT

2 0 0 8 . 0 8 . 3 0

2 0 0 9 . 0 4 . 1 5

ADD LPF IN AUDIO OUT 2008.10.24

SCART

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 24: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

30VD700

FULL SPEC

DDC_SCL/UART_RX 001:V6

100pF50V

C718FULL SPEC

CDS3C05GTA5.6V

OPT

D722

0.1uF50V

C713FULL SPEC

1KR725

FULL SPEC

0.47uF25V

C730

75R727

FULL SPEC

PC_R_IN 001:V18

10KR746

FULL SPEC

75R750

FULL SPEC

0.1uF50V

C724FULL SPEC

PEJ024-01JK702

FULL SPEC

6B T_TERMINAL2

8 SHIELD_PLATE

7B B_TERMINAL2

5 T_SPRING

4 R_SPRING

7A B_TERMINAL1

6A T_TERMINAL1

3 E_SPRING

10KR776FULL SPEC

+5V_GENERAL

COMP_Y 001:M12

22R734

FULL SPEC

100R744FULL SPEC

+3.3V_AVDD

0.1uF16V

C706

FULL SPEC

75R753

FULL SPEC

DSUB_HSYNC001:M10

100R761

30VD717

FULL SPEC

CDS3C30GTH30V

OPT

D710

S_DET001:B7

COMP_Pb 001:M11

12KR742

FULL SPEC

4.7KR756

75R713

FULL SPEC

75R707

FULL SPEC CDS3C05GTA5.6VOPT

D712

KDS184D723FOR DEB

A2

C

A1

+3.3V_CI

75R728

FULL SPEC

10KR739

FULL SPEC

JP712

470KR732

FULL SPEC

10KR712

FULL SPEC

CDS3C30GTH30V

D720FULL SPEC

82pF50V

C739

4.7KR754FOR DEB

PC_L_IN 001:V19

SIDE_Y_IN

001:M7CDS3C30GTH

30VD704

FULL SPEC

CDS3C30GTHD729

100pF50V

C716FULL SPEC

10KR702

FULL SPEC

0R766

DSUB_B001:M10

+5V_USB_N

1K

R767FULL SPEC

0.47uF25V

C727

12KR777

FULL SPEC

DSUB_G001:M10

22R733

FULL SPEC

CDS3C30GTH

30VD703

FULL SPEC

COMP_Pr 001:M12

75R751FULL SPEC

CDS3C30GTH30V

OPT

D711

100pF50V

C717FULL SPEC

0.1uF50V

C712FULL SPEC

0.47uF25V

C729

CDS3C05GTA5.6V

OPTD728

+5V_GENERAL

100pFC736

FULL SPEC

0.47uF25V

C728

4.7KR755

470KR775

FULL SPEC

CDS3C30GTHD730

30VD706

FULL SPEC

KCN-DS-1-0088JK704

1 2 3 4 5

6 7 8 9

10

30VD705

FULL SPEC

JP708

22R760

FOR DEB

USB_DM001:W9

22R735FULL SPEC

+5V_GENERAL

10uF16V

C711

100pF50V

C715FULL SPEC

CDS3C05GTA5.6V

OPT

D725

10KR738

FULL SPEC

CDS3C05GTA5.6V

OPT

D724

10KR780

FULL SPEC10KR765FULL SPEC

10KR724

FULL SPEC

CDS3C30GTH30V

D721FULL SPEC

18pF50V

C726

OPT

4.7KR757

FOR DEB

PPJ209-02

JK701FULL SPEC

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

RS232C_RXD001:O20

SIDE_C_IN001:M7

SIDE_CVBS_IN001:M7

PC_SER_CLK004:H12

75R726

FULL SPEC

JP7110R781

10R771

CDS3C05GTA5.6V OPT

D707

1KR770

USB_DP001:W9

10KR752

FULL SPEC

10KR736

FULL SPEC

82pF50V

C740FOR RGB ROM D/L

USB

DO

WN

ST

RE

AM

KJA-UB-4-0004JK706

12

34

5

+5V_ST

SIDE_R_IN001:V18

470KR731FULL SPEC

RS232C_TXD001:O20

12KR778

FULL SPEC

470KR730

FULL SPECCOMP_R_IN 001:V18

CDS3C30GTH30VD718FULL SPEC

CDS3C05GTA5.6VOPT

D713

DSUB_R001:M11

470KR779

FULL SPEC

MAX3232CDR

IC702

3C

1-

2V

+

4C

2+

1C

1+

6V

-

5C

2-

7D

OU

T2

8R

IN2

9R

OU

T2

10

DIN

2

11

DIN

1

12

RO

UT

1

13

RIN

1

14

DO

UT

1

15

GN

D

16

VC

C

100R745

FULL SPEC

22R748

FULL SPEC

CDS3C05GTA5.6V

OPT

D714

DDC_SDA/UART_TX001:O19;001:V6+5V_GENERAL

SIDE_L_IN001:V18

470KR729FULL SPEC

JP709

18pF50V

C725

OPT

22R749FULL SPEC

CDS3C30GTH30V

D709

OPT

AT24C02BN-10SU-1.8

IC701FULL SPEC

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

CDS3C30GTH

30VD702

FULL SPEC

22pF50V

C720FULL SPEC

DSUB_VSYNC001:M10

0.1uF50V

C714FULL SPEC

0R762

OPT

22pF50V

C719FULL SPEC

75R706

FULL SPEC

PC_SER_DATA004:H12

0.47uF25V

C731

100R764

10KR737

FULL SPEC

12KR743FULL SPEC

JP710

COMP_L_IN 001:V18

22R758

FOR DEB

0R782

COMP_DET 001:B7

10KR769

CDS3C30GTH30V

D719FULL SPEC

30VD701

FULL SPEC

10R768

SIDE_CVBS_DET

001:B8

1uF16V

C700

OPT

RGB_DET

PSJ015-02JK705FULL SPEC

5

4A

4B

4C

4D

3

7

+3.3V_AVDD

0R784

FULL SPEC

0R783

FULL SPEC100pFC733

FULL SPEC

4.7KR740FULL SPEC

4.7KR741FULL SPEC

CB3216PA501E

L701

KCN-DS-1-0089JK703

FO

R D

EB

1 2 3 4 5

6 7 8 9 10

11

12

13

14

15

16

270pF50V

C737FOR RGB ROM D/L

270pF50V

C738

PPJ218-02JK700

FULL SPEC

5C [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

22R747

FULL SPEC 0R

78

5P

Q100

R7

86

PQ

10

0OPT

R787

0OPT

R788

SMW250-04

P700

PC_DEBUG

1

2

3

4

DDC_SCL/UART_RX 001:V6

DDC_SDA/UART_TX001:O19;001:V6

PPJ232-01JK707

Dummy1

2

3

4

I n t e r f a c e 7 1 1

PC

Side AV

PC AUDIO

USB

RS232C

Side S-Video

2 0 0 9 . 0 4 . 1 5EAX57566204

DUMMY_BODY

Component

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 25: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

+5V_CI_Vs+5V_GENERAL

R819 OPT R822 OPT0.1uF16V

C802

10KR816

100R815

10KR813

0.1uF16V

C801CI_CD1

TS_D[4]

TS_D[5]

TS_D[6]

TS_D[7]

TS_D[0]

TS_D[1]

TS_D[2]

TS_D[3]

TS_CLK

TS_VALID

TS_SYNC

0.1uF16V

C808

PCM_D[0-7]

PCM_A[0-14]

PCM_RESET

10KR814

OPT47R808

47R809

10KR811

+5V_GENERAL

100R817

10KR812OPT

PCM_WAIT_N

PCM_REG_N

R820OPT

47R810

CI_CD2

0.1uF16V

C803

47R838

PCM_CD_N

CI_CD1

CI_CD2

0.1uF16V

C811

+3.3V_CI

10uF16V

C812

OPT

10KR827

OPT+5V_GENERAL

0.1uF 16VC809

PCM_IRQA_N100R825

PCM_WE_N47R823

47R806

47R807PCM_IORD_N

PCM_IOWR_N

PCM_CE_N

PCM_OE_N47R824

10KR826OPT 47R829

47R830

TU_TS_SYNC

TU_TS_VAL

TU_TS_DATA[0]

TU_TS_CLK

74LVC541A(PW)IC800

3A1

2A0

4A2

1OE1

6A4

5A3

7A5

8A6

9A7

10GND

11Y7

12Y6

13Y5

14Y4

15Y3

16Y2

17Y1

18Y0

19OE2

20VCC

BUF_TS_SYNC

BUF_TS_VAL

BUF_TS_DATA[0]

BUF_TS_CLK

+3.3V_CI

0.1uF16V

C800

10KR818

22KR821

5V_CI_CTL

+5V_CI

0.1uF50V

C804

100uF16V

C8060.1uF50V

C807

+5V_CI_Vs

0.1uF50V

C805

BUF_TS_CLK,BUF_TS_DATA[0],BUF_TS_SYNC,BUF_TS_VAL,TU_TS_DATA[1-7]

2010_A4

33AR834

2010_A4

33AR836

2010_A433

AR835

2010_A433

AR837

33AR802

33AR801

33AR800

33AR805

33AR804

33AR803

33AR831

33AR832

RSR025P03Q801

S D

G

KIC7SZ32FU

CMOS

IC802

3GND

2IN_A

4 OUT_Y

1IN_B 5 VCC

2SC3052Q800

E

B

C

10KR831

47uF16V

C813

OPT

10067972-050LF

P800

G1G2

57

21

52

16

10

47

41

5

36

59

23

45

54

18

49

43

13

7

38

2

25

56

20

51

15

9

46

40

4

35

58

22

53

17

11

48

42

12

6

37

1

24

55

19

50

44

14

8

39

3

2660

2761

2862

2963

3064

31

32

33

34

65

66

67

68

33K

R1

25

4

CB3216PA501EL800

BUF_TS_SYNC

BUF_TS_VAL

TU_TS_DATA[1]

TU_TS_DATA[2]

TU_TS_DATA[3]

TU_TS_DATA[4]

TU_TS_DATA[5]

TU_TS_DATA[6]

TU_TS_DATA[7]

BUF_TS_CLK

PCM_D[3]

PCM_D[4]

PCM_D[5]

PCM_D[6]

PCM_D[7]

PCM_D[0]

PCM_D[1]

PCM_D[2]

PCM_A[11]

PCM_A[10]

PCM_A[9]

PCM_A[8]

PCM_A[14]

PCM_A[13]

PCM_A[12]

PCM_A[7]

PCM_A[6]

PCM_A[5]

PCM_A[4]

PCM_A[3]

PCM_A[2]

PCM_A[1]

PCM_A[0]

BUF_TS_DATA[0]

PCMCIA 8 1 1

2 0 0 9 . 0 4 . 1 5EAX57566204

CMCIA

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 26: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

D1-_HDMI3 001:O15

D1-_HDMI1 001:O18

DDC_SDA_3 009:AB7;001:V5

0.1uFC908FULL SPEC

68K

R928FULL SPEC

AT24C02BN-10SU-1.8

IC903

FULL SPEC

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

47KR933

FULL SPEC

100R951

FULL SPEC

MM

BD

301L

T1G

30VD904

FULL SPEC

2SC3875S(ALY)Q902

FULL SPEC

E

B

C

CK-_HDMI1 001:O17

HPD1 001:V4

D2+_HDMI3 001:O14

GND

1KR906

FULL SPEC

GND

DDC_SCL_1 009:AB15;001:V6

100R949

CEC_REMOTE 009:F8;009:W4

DDC_SDA_1009:N17;001:V6

HPD3 001:V4

5V_HDMI_1

CK-_HDMI3 001:O14

DDC_SCL_3009:R7;001:V5

5V_HDMI_35V_HDMI_3

D2-_HDMI3 001:O14

100R950

FULL SPEC

10KR930FULL SPEC

HDMI_CEC 002:B11

DDC_SDA_1 009:AB15;001:V6

D0+_HDMI1 001:O18

D2+_HDMI1 001:O17

D1+_HDMI3 001:O14

D1+_HDMI1 001:O18

0.1uF50V

C900

KDS184D901

A2

C

A1

100R948

1KR900

D0-_HDMI1 001:O18

CEC_REMOTE009:F8;009:L16

CK+_HDMI1 001:O17

AT24C02BN-10SU-1.8

IC901

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

GND

10KR901

47KR931

FULL SPEC

KDS184D903FULL SPEC

A2

C

A1

5V_HDMI_1

BSS83Q900

FULL SPEC

S B D

G

D0+_HDMI3 001:O15

0R907

27K

R935

OPT

0.1uF50V

C901

FULL SPEC

2SC3875S(ALY)Q901

E

B

C

47KR913

47KR916

0.1uFC903

CK+_HDMI3 001:O14

D2-_HDMI1 001:O17

D0-_HDMI3 001:O15

OPTD902

DDC_SCL_3 009:AB8;001:V5DDC_SDA_3

009:R8;001:V5

+3.3V_VDDP_ST

DDC_SCL_1009:N17;001:V6

100R923

FULL SPEC

5V_HDMI_2

0.1uFC905FULL SPEC

KDS184D905FULL SPEC

A2

C

A1

47KR922

FULL SPEC47KR917

FULL SPEC

DDC_SCL_2009:G8;001:V5

100R921FULL SPEC

DDC_SDA_2009:G8;001:V6

AT24C02BN-10SU-1.8

IC902

FULL SPEC

3A2

2A1

4GND

1A0

5SDA

6SCL

7WP

8VCC

D0-_HDMI2 001:O17

D0+_HDMI2 001:O16

DDC_SCL_2009:AB11;001:V5

1KR920

FULL SPEC

0.1uF50V

C904

FULL SPEC

CEC_REMOTE 009:L16;009:W4

D1-_HDMI2 001:O16

CK-_HDMI2 001:O15

D2-_HDMI2 001:O16

CK+_HDMI2 001:O15

D1+_HDMI2 001:O16

GND

2SC3875S(ALY)Q904

FULL SPEC

E

B

C

5V_HDMI_2

0R918

FULL SPEC

10KR924FULL SPEC

D2+_HDMI2 001:O16

HPD2

001:V4

DDC_SDA_2009:AB11;001:V6

+5V_ST

+5V_ST

+5V_ST

JK901

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10CK+11

12

13

14

15

16

17

18

19

20GND

21GND

22

JK903

FULL SPEC

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10CK+11

12

13

14

15

16

17

18

19

20GND

21GND

22

JK902

FULL SPEC

14 NC

13 CEC

5 DATA1_SHIELD

20

JACK_GND

12 CLK-

11 CLK_SHIELD

2 DATA2_SHIELD

19 HPD

18 +5V_POWER

10CLK+

4DATA1+

1DATA2+

17 DDC/CEC_GND

9DATA0-

8 DATA0_SHIELD

3DATA2-

16 SDA

7DATA0+

6DATA1-

15 SCL

HDMI 9 1 1

HDMI

HDMI1

HDMI3

SIDE HDMI

2 0 0 9 . 0 4 . 1 5EAX57566204

HDMI2

HDMI

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 27: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

SPDIF_OUT001:V12

Fib

er O

ptic

JST1223-001

JK1000

1

GND

2

VCC

3

VINPUT

4

FIX_POLE

0.1uF50V

C1005

+5V_GENERAL+5V_GENERAL

3 . 3R1017

MS_LRCK001:Z13

0R1006

+3.3V_DVDD

0.01uFC1012

0.01uFC1025

3 . 3R1019

DBF-0822DM

EAP53148301

L1000

2S

1S 1F

2F

33R1005

SDA_SUB/AMP004:H16;001:Y15

22

00

pF

C1

01

5

22KR1004

0.01uFC1036

0.01uFC1024

AC_DET011:I17;001:V10

+3.3V_AU_AVDD

0.0

47

uF

C1

01

4

1000pFOPT

C1002

200

1%

R1010

0.033uF50V

C1020

470

R1013

18K

1%

R10120.033uF50V

C1028

0.1uFC1016

0.01uFC1035

1u

F

C1

01

8

AVSS

AVSS

4700pFC1011

MS_SCK001:Z13

+3.3V_DVDD

47

0R

10

14

0 .1uFC1003

33R1008

100R1002OPT

22K

R1

01

5

0 .033uF50V

C1019

0.033uF50V

C1027

AMP_RST

001:O19

3 . 3R1016

DBF-0822DM

EAP53148301

L1001

2S

1S 1F

2F

0.01uF

C1022

+3.3V_DVDD

MUTE001:F9

SCL_SUB/AMP004:H16;001:Y14

AUDIO_MASTER_CLK

001:Z13

0.047uF

C1009

0.01uFC1004

2K

OPT

R1007

MS_LRCH001:Z12

+3.3V_DVDD

P_17V

10uF 16VC1010

+3.3V_AU_AVDD

0.01uFC1037

33R1009

0.01uFC1021

1KR1003

P_17V

10uF 16VC1001

0.01uFC1038

33pFOPT

C1008

AVSS

3 . 3R1018

1u

FC

10

17

0

OPT

R1011

33pFOPT

C1007

1000pF50V

OPT

C1000

47

00

pF

C1

01

3

+3.3V_CI

0R1001

OPT

AVSS

0.33uFC1029

0.33uFC1030

0.33uFC1033

0.33uFC1034

0.33uFC1032

0.33uFC1031

47uFC1043

47uFC1026

47uFC1045

47uFC1046

47uFC1023

47uFC1044

120-ohm

L1003

120-ohm

L1002

TAS5709PHPR

IC1000

1O

UT

_A2

PV

DD

_A_1

3P

VD

D_A

_24

BS

T_A

5G

VD

D_O

UT

_16

SS

TIM

ER

7O

C_A

DJ

8N

C9

AV

SS

10

PL

L_F

LT

M1

1P

LL

_F

LT

P1

2V

R_A

NA

13AVDD

14TESTOUT

15MCLK

16OSC_RES

17DVSS_1

18VR_DIG

19PDN

20LRCLK

21SCLK

22SDIN

23SDA

24SCL

25

RE

SE

T

26

ST

ES

T

27

DV

DD

28

DV

SS

_2

29

GN

D

30

AG

ND

31

VR

EG

32

GV

DD

_OU

T_2

33

BS

T_D

34

PV

DD

_D_1

35

PV

DD

_D_2

36

OU

T_D

37 PGND_CD_138 PGND_CD_239 OUT_C40 PVDD_C_141 PVDD_C_242 BST_C43 BST_B44 PVDD_B_145 PVDD_B_246 OUT_B47 PGND_AB_148 PGND_AB_2

10uF16V

C1006

SMW250-04QP1000

1

2

3

4

5

4.7KR1000

OPT

100pF50V

C1047

AMP 10 11

AMP

SPDIF OPTIC JACK

PULL DOWN

T h i s p a r t s a r e L o c a t e d on AVSS area.

Separate DGND AND AVSS

SPK_L+

2 0 0 9 . 0 4 . 1 5EAX57566204

SPK_R-

SPK_L-

SPK_R+

AMP

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 28: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

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.

0.1uF50V

C1166

0.01uF50V

C1138

0.1uF50V

C1149

0.1uF50V

C1129

1/4W

0

5%

R1133

0.1uF50V

C1147

0.1uF50V

C1139

0.1uF50V

C1170

47uF16V

C1165

VAVS_ON

001:V15

0.1uF50V

C1168

+5V_ST

0.1uFC1107

+3.3V_AVDD_LPLL

+3.3V_AVDD_MPLL

0.01uF50V

C1196

0.1uF50V

C1127

0.1uF50V

C1174

+1.25V_MULTI

0.1uF50V

C1191

AZ1117D-1.8TRE1

IC1104

1

ADJ/GND

2 OUTPUT3INPUT

0.01uF50V

C1169

0.01uF50V

C1123

+5V_GENERAL

0.01uF50V

C1144

0.1uF50V

C1195

1/4W

0

5%

R1134

0.1uF50V

C1145

0.1uF50V

C1153

0.1uF50V

C1186

+5V_CI

+1.25V_VDDC

AZ1085S-ADJTR/E1

IC1107

1

ADJ/GND

2 OUTPUT3INPUT

100uF16V

C1130

10

0R

11

57

+3.3V_AVDD_ADC

22K

R1159OPT

4.7KR1148

+3.3V_AVDD_OTG

+3.3V_VDDP_ST

0.1uF50V

C1133

0.1uF50V

C1189

+3.3V_CI

+5V_ST

0.1uFC1109

+3.3V_AVDD_AU

10KR1122

+1.25V_MULTI

47uF16V

C1167

0.1uF50V

C1141

15pF50V

C1103

15pF50V

C1112

0.1uF50V

C11830.1uF50V

C1181

+5V_SYS

2SC3875S(ALY)Q1101

E

B

C

5V_MNT

001:V11

0.1uF50V

C1175

+5V_ST

100R1143

+1.8V_TU

39

1%

R1139

0.1uF50V

C1172

100uF25V

C1106

0.1uF50V

C1197

0.1uF50V

C1151

100uF16V

C1182

0.1uF50V

C1136 0.1uF50V

C1124

0.1uF50V

C1131

0.1uF50V

C1190

22KR1125

0.1uF50V

C1193

P_17V

0.01uF50V

C1178

AC_DET010:C12;001:V10

RL_ON001:V15

+3.3V_TU

0.1uF50V

C1194

+1.8V_DDR2_MAIN

0.01uF50V

C1171

AZ1117D-3.3TRE1

IC1103

1

ADJ/GND

2 OUTPUT3INPUT

0.01uF50V

C1140

100uF16V

C1108

0.1uF50V

C1179

+3.3V_AVDD

+3.3V_AVDD_MEMPLL

0.1uF50V

C1134

+3.3V_AVDD

+3.3V_AVDD_VIF

+5V_TU

0.47uFC1102

0.1uF50V

C1105

+1.25V_AVDD_DVI

100R1156

+5V_ST

0.01uF50V

C1173

0.01uF50V

C1132

0.01uF50V

C1135

+3.3V_VDDP_ST

+3.3V_VDDP

P_12V

0.1uF50V

C1125

5V_ON001:V12

AZ1085S-ADJTR/E1

IC1102

1

ADJ/GND

2 OUTPUT3INPUT +3.3V_AVDD_DVI

+1.8V_EXPANDER

+3.3V_EXPANDER

100uF16V

C1126

47uF16V

C1148

47uF16V

C1150

POWER_ON/OFF1

0.1uF50V

C1155

+5V_SYS

0.1uF50V

C1142100uF16V

C1156

+3.3V_AVDD

+3.3V_AVDD

+3.3V_AVDD

1K1%

R1130

221%

R1128

+3.3V_VDDP_ST

AZ1085S-3.3TR/E1

IC1106

1

ADJ/GND

2 OUTPUT3INPUT

+5V_SYS

1/10W360

1%

R1120

1/10W4.3K

1%

R1121

SMW200-24CP1100

19

14

9

4

18

13

8

3

17

12

7

2

16

11

6

1

20

15

10

5

21 22

23 24

0.1uFC1201

100uF16V

C1200

+5V_MULTI

+5V_MULTI

100R1160

RSR025P03Q1102

S

D

G

0.1uF50VC1111

0.1uF50V

C12030.1uF50V

C1202

KEY_ON

004:T815pF50V

C1206

47uF16V

C1210

+5V_TU

0.1uF50V

C1209

0.1uF50V

C1207

10uF16V

C1159

OPT

1/10W1.8K

5%

R1126

120-ohm

L1103

CB4532UK121E

470uF16V

C1188

100uF16V

C1122

220uF16V

C1110

CB3216PA501EL1119

CB3216PA501EL1120

CB3216PA501E

L1117

CB3216PA501EL1114

CB3216PA501EL1100

CB3216PA501EL1102

CB3216PA501EL1101

CB3216PA501EL1125

CB3216PA501EL1109

CB3216PA501EL1106

CB3216PA501EL1121

CB3216PA501EL1126

CB3216PA501EL1108

CB3216PA501EL1115

CB3216PA501EL1111

CB3216PA501EL1113

CB3216PA501EL1116

CB3216PA501EL1112

0.1uF50V

C12120.1uF50V

C1128

15pF50V

C1104

100uF16V

C1213

AP2121N-3.3TRE1

IC1105

1

GND

2 VOUT3VIN

821%

R1140

10uF16V

C1137

Power 11 11

R2

V0 = 1.25(1+R2/R1)

+3.3V_AVDD

Stand-by&Multi +3.3V_+1.25V_MST_Core

V0 = 1.25(1+R2/R1)

TUNER_CI +3.3V & +1.8V

+1.8V_DDR

POWER

R1

R2

DDR2 1.8V POWER change to ADJ TYPE_080402

R1

EXPANDER POWER 3.3V & 1.8V

Change LDO because of PM REV. 2008. 09. 04

2008. 07. 10Change LDO because of PM REV.

MUST BE checked current spec.

PM Control

EAX57566204

PM for GPIO4

⁄ ! B

5V MULTI

KEY ON(NEW POWER B/D

FOR 0.2W

2 0 0 9 . 0 4 . 1 5

OWER

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 29: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions
Page 30: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

PDP TV Repair Process Index- Trouble shooting by worst symptom

A. Picture Problem

8No sound/ Sound distortionC. Sound Problem8

No. Symptom (L) Symptom (M) Page Remark

1 No Picture/Sound OK 1

2 No Picture/No sound 2

3 Mal-discharge/Noise/dark picture 3

4 Picture broken/Freezing 4

5 Vertical bar/ Horizontal Bar 5

6B. Power Problem

No Power (Not turn on) 6

7 Turn off (Instant, under watching) 7

9 E. General function Problem Remote control & Local switch checking 9

First of all, Check whether there is SVC Bulletin in GCSC System for these model.

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 31: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Repair Process

Revision

2009. 2 . 11/9

PDP TV SymptomA. Picture ProblemNo Picture/Sound OK

1-VY VSC VZB

Check Module pattern by using “TILT” keyon SVC R/C

Normal

N

CheckVs, Va

YNormal

N

Check voltage. -VY. VSC. VZB

※Refer to the Module label for each voltage

Y

N

1. Check Y-Sus/ Z-Sus Board2. Replace defective B/D

Check B+ Voltageon Power Board

/ Control Board.Check B+(5V)

Y

1.Check Control Board. LED on. Crystal(X101). 1.8V, 3V, 5V FET. Rom update

2.Replace Control B/D

<SVC R/C & Pattern>

CheckSound

SoundOK

Y CloseY

Move No Picture/No sound

Section

Check LVDS Cable

ReplaceMain B/D

Normal

N

Y

N

Move Power problem

Section

Normal Normal

Move Power problem

Section

N

First of all, Check whether all of cable between board was inserted properly or not.(Main B/D↔ Power B/D, Power B/D↔ Y-sus B/D,Y-Sus B/D ↔Z-Sus B/D,LVDS Cable,Speaker Cable,IR B/D Cable,,,)

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 32: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 12/9

PDP TV SymptomA. Picture ProblemNo Picture/No Sound

Repair Process

2

Check IR operation

Power LED ON?

Latest S/W updatefrom GCSC

(Firmware Management)

N

Y OSDappear?

Y

N

Y

N

Close

Check Module pattern by using “TILT” key

on SVC R/CNormal

N

CheckSound

SoundOK

Y

NMove

No Picture/ Sound OkSection

CloseY Check

LVDS Cable

ReplaceMain B/D

NormalY

N

ReplaceMain B/D

Normal

Check Input signal. RF Cable connection. SCART Cable connection. HDMI Cable connection. Component Cable …

Normal

Y

N Repair/ReplaceIR B/D

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 33: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 13/9

PDP TV SymptomA. Picture Problem

Mal-discharge/Noise/dark picture

Repair Process

3

Y

N

N

Mal-discharge

Dot type

Check CTRL ROM Ver.and

Rom UpgradeNormal Picture?

Y

Close

ReplaceControl board

Normal Picture?

Y

Close

ReplaceModule

N

ScanType

CheckPicture problem

Type

Check voltage. –VY / VSC(Y-Sus B/D)

Normal Picture?

ReplaceY-Sus B/D

Normal Picture?

Y

N 1.Check Control B/D2.Replace Board

Normal Picture?

Check Y Drive B/D

& Replace B/D

Y

Close

N

Dark Picture Normal Picture?

Y

ReplaceModule

N

Close

1. Check Z-Sus Board2. Replace Board

Check Picture mode

setting

Picture Noise

Normal Picture?

Y

N

Close

Y

NCheck RF CableConnection

Check Tuner & Replace

Normal Picture?

※Check Discharge resistance (10Ω 2~3ea) on Power B/D before replace Y Drive B/D

Close

Close

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 34: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 14/9

PDP TV SymptomA. Picture Problem

Picture broken/Freezing

Repair Process

4

Y

N

N

Check RF Signal level

Normal Signal?

Check RF Cable Connection

1. Reconnection2. Install Booster

CheckS/W Version

Booster menuOn→Off: CheckOff→On: Check

S/W Upgrade

Check whether other equipments have problem or not.(By connecting RF Cable at other equipment)→ DVD Player ,Set-Top-Box, Different maker TV etc

SVC Bulletin?

ReplaceMain B/D

CheckTuner soldering

Normal Picture?

Y

N

Y

Close

Normal Picture?

YClose

Menu→Setup →Booster

. By using Digital signal level meter

. By using Diagnostics menu on OSD( Menu→Setup→Diagnostic)- Signal strength (Normal : over 50%)- Signal Quality (Normal: over 50%)

Normal Picture?

Y

Contact with signal distributoror broadcaster (Cable or Air)

N N

Normal Picture?

Y

Close

N

※ ’09 years new model apply chip tunerso, chip tuner is soldered on main PCB[ Chip Tuner: IC500(XC5000) ]

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 35: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 15/9

PDP TV SymptomA. Picture Problem

Vertical bar/ Horizontal Bar

Repair Process

5

Checkdefect type Y

N

Y

VerticalLine/Bar

Regular Vertical

Line / Bar

Check Module pattern by using “TILT” key

on SVC R/C

Normal Pattern?

1.Check CTRL B/D2.Replace Board

ReplaceModule

Irregular Vertical

Line / Bar1.Check CTRL B/D2.Replace Board

Normal Picture?

Check Main B/DReplace Module

(If Main B/D doesn’t cause)

N

YClose1.Connector re-connection

2.Eliminate foreign material on Connector

N

※CTRL B/D: Control board

Check connectionof Connector

(COF,TCP)on CTRL B/D , X B/D

Check connectionof Connector (FPC)

on Y Drive B/D

1.Connector re-connection2.Eliminate foreign material on FPC

1. Check Y Drive B/D2. Replace Board

Normal Picture?

N

Y

Close

ReplaceModule

1.Check CTRL B/D2.Replace Board

Normal Picture?

N

Y

Close

N

YNormalHorizontal

Line/Bar

Normal

HalfNo picture

1.Check X B/D2.Replace Board

Normal Picture?

Y

Close

ReplaceModule

N

※ H-Line’s Cause is rare CTRL B/D

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 36: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 16/9

PDP TV SymptomB. Power Problem

No Power (Not turn on)

Repair Process

6

Y

N

Y

N

. Stand-By: Red

. Operating: Green

Power LEDON?

CheckR/C IR Operation NormalCheck

Power LED

DC Power onby pressing Power KeyOn Remote control

Normal

Close

Y

N

Y

Repair/ReplaceIR B/D

N

Check Power cord was inserted properly

Check & RepairMechanical Power switch

on Local control of TV

※ ’09 years new model apply mechanical power switchto reduce power consumption in stand-by status.If mechanical power switch off→ Doesn’t turn on by remote control→ Doesn’t appear LED light

N

Normal?

CloseY

Check ST-BY 5Von Power Board

NormalVoltage?

N

NormalSignal?

Y

Check Power B/DReplace Power B/D

CheckAC DET Signalon Power B/D

CheckRL_ON Signalon Power B/D

N

NormalSignal?

Y

Check Main B/DReplace Main B/D

Checkthe other pin’sOutput voltageon Power B/D

Normal

Close

Y

N ReplacePower B/D

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 37: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 17/9

PDP TV SymptomB. Power Problem

Turn off (Instant, under watching)

Repair Process

7

InstantTurn off

Turn on after pull out connectorbetween Power B/D & Y-Sus

N

Power LEDGreen?

Y

Check Power B/DReplace Power B/D

1. Check Y-Sus/ Z-Sus Board(especially Short or Open)

2. Replace defective B/D

※ To check Power B/D Protection

CheckPower Off History

RCU Off

Turn offUnder watching “Off Timer”

Set?

“Off timer”Function off

KEY Off

2HOUR Off

NO Signal OffY

N

Don’t appearPower Off History

Move No Power problem

Section

This is not problemNormal operation

Copyright 2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 38: PLASMA TV SERVICE MANUAL - ESpecarchive.espec.ws/files/LG TV plasma ch.PD92A 42PQ1100.pdf · plasma tv service manual caution before servicing the chassis, read the safety precautions

Making

Revision

2009. 2 . 18/9

PDP TV SymptomC. Sound Problem

No sound/ Sound distortion

Repair Process

8

1.No sound( If HDMI Input only have no sound, upload EDID data)

Y

NormalSound?

NCheck “Speaker ON/Off” setting

in OSD Menu

Close

Y

NormalSound?

N

Close

Check Speakerjack connection

& Speaker Cable open

Y

Normalvoltage?

NCheck 17V (Audio IC B+)on Power B/D

Check Power B/DReplace Power B/D

Check Audio IC ShortReplace Main B/D

SVC Bulletin?

ApplySVC Bulletin

(S/W Upgrade etc)N

NormalSound?

N

Y

Close

Y

2.Sound distortion & sound drop

Check Input signal→Cable connection→Cable open- RF & external (HDMI,SCART,,,)

NormalSound?

Y

Close

CheckAVL off/on

Clear voiceⅡ off/on

Y

NormalSound?

N

Close

NProblem in all input

Problem in only DTV(Case 1)

Problem in external input(Case 2)(SCART,HDMI,,,)

Check whether Problem happenin same output of other equipments or not.(By connecting same output cable of other equipment)→ DVD Player ,Set-Top-Box, different maker TV etc

Y

NormalSound?

N

Check Audio ICReplace Main B/D

Explain customer thatCause is RF Signal’s problem (Case 1)Cause is Equipment’s problem (case 2)

SVC Bulletin?

ApplySVC Bulletin

(S/W Upgrade etc)

NormalSound?

YClose

Y

NN

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Making

Revision

2009. 2 . 19/9

PDP TV SymptomD. General Function Problem

Remote control & Local switch checking

Repair Process

9

1. Remote controller (R/C) operating error

Y

N

Move Power problem

Section

2. Local (Mechanical) switch operating error

Check R/C itself Operation

Normaloperating?

Normaloperating?

Y

Close

Replace R/C

If R/C operate,Explain the customer cause is interferencefrom light in room.

Check R/C OperatingWhen turn off light

in room

Check & ReplaceBattery of R/C

Check & RepairCable connectionConnector solder

Normaloperating?

Check B+ 5VOn Main B/D

NormalVoltage?

Close

N

N

Check 5v on Power B/DReplace Power B/D or

Replace Main B/D(Power B/D don’t have problem)

Check IROutput signal

NormalSignal?

N

Y

Repair/ReplaceIR B/D

N

ReplaceMain B/D

Y

Y

N

Check R/C Operation

Normaloperating?

Y

Check & RepairCable connectionConnector solder

Normaloperating?

Close

N Check & ReplaceAssembly status(Key PCB + tool )

Check KeyOutput signal

Y

Normaloperating?

Close

N NormalSignal?

Repair/ReplaceLocal switch B/D

N

ReplaceMain B/D

Y

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PDP TV Repair Process Index- Trouble shooting by input block (Component level check)

13USB ProblemUSB Problem13

14All InputNo OSD14

9Digital TV / HDMI9

10Analog TV10

11Component / AV / RGB11

12Optical Audio12

Video Probelm

Power Problem

8All Input

Audio Problem

8

No. Symptom (L) Input Block Page Remark

1 Power-up Boot fail 1

2 Digital TV 2

3 Analog TV 3

4 Component 4

5 RGB(D-SUB) 5

6 AV(Scart / CVBS/ S-Video) 6

7 HDMI 7

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Check P1100 AllVoltage Level (17V, 5V)

Check Power connectorOK ? Replace Power board

Y

N Y

Check L1103 Voltage Level 5V

Replace L1103

Y

N

Check IC1105 (pin2)Voltage Level 3.3V

Replace IC1105N

Check IC109 (pin29) OutputVoltage Level (3.3V) Replace IC109

N

Y

Making

Revision

2009. 2 . 11/14

PDP TV Symptom Power-Up Boot Fail

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Making

Revision

2009. 2 . 12/14

PDP TV InputBlock Digital TV Video Problem

Check RF Cable

Check TP Clock, Data, Sync Maybe Tuner has problems: Replace Tuner

Y

N

Check 5V voltageon IC500, IC501(Chip Tuner) Replace IC500 or IC501

Y

N

Y

Replace Mstar(IC100) has problems

N

Y

Check color Bad Tuner. Replace Tuner.

None

Green

Check Demodulator Input ClockX501 (31.875MHz) Replace it X501

N

Y

Check PDP Module Control boardRefer to Module CAS

Check P400 or P403#17(CKM) , #18(CKP) , #32(CKP) , #33(CKM)

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< CVBS waveform – sample >- Defend on the input signal.

Making

Revision

2009. 2 . 1PDP TV InputBlock Analog TV Video Problem

Check RF Cable

Check CVBS signalTU500 #16 Pin Replace Tuner(IC500)

Y

N

Replace IC503 or IC505

Y

N

Y

Replace Mstar(IC100)

Check 5V voltageon IC500, IC501(Chip Tuner)

3/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock Component Video Problem

Check input signal formatIs it supported?

Check signalon C712,C713,C714

Y

Check the damage of JK701And Replace Connector

N

Y

Replace Mstar(IC100)

Y

Check Component Cable

※ Measured signals depend on the input signal.

4/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock RGB(D-Sub) Video Problem

Check input signal formatIs it supported?

Check signal, Hsync, VsyncR744, R745 Replace R744, R745

Check signalR747, R748, R749

Y

Y

N

Check JK703 Replace connector (JK703).

Y

N

Y

Replace R747, R748, R749N

Replace Mstar(IC100)

Y

Check SignalR753,R750,R751 Replace R753,R750,R751

N

Check RGB Cable conductors for damage

Y

※ Measured signals depend on the input signal.

5/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock AV Video Problem

Check input signal formatIs it supported?

Check signalR601,602,603,L604 (SCART1 AV),

L611 (SCART2 AV) ,R713 (Side AV),R707(S-Video)

Replace Resistor

Check AV port of JK600,JK601 (Rear)Check JK700 (Side), JK705(S) Replace or reseat connector

N

Replace Mstar(IC100)

Check AV Cable / S-Video Cable for damage or open conductors

※ Measured signals depend on the input signal.

Y

Y

Y

Y

N

6/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock HDMI Video Problem

Check input signal formatIs it supported?

Check JK901 / J902 / J903 for proper connection or damage Replace connector

Check HDMI Cable for damage or open conductors

Replace Mstar(IC100)

Check HDCP (IC102)→Power(#8) & I2C Signal (#5, #6)

Replace IC901,902,903

Replace IC102

Check Mstar(IC100)

Y

Y

Y

Y

Y

N

NCheck EDID EEPROM(IC901,902,903)

→ Power(#8) & I2C Signal (#5, #6)

N

N

7/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock All Input Audio Problem

Make sure you can’t hear any audio

Check SCL,SDAR1008,R1009 Replace R1008,R1009

Check IC1000 Power 17V(C1023), 3.3V(L1002,L1003)

Check 17V (P1100 #1,2),3.3V (IC1103 #2)

Check ConnectorP1000

Check Mstar I2S OutputR143,R134,RR135,R136 Replace IC100.

Check speaker for damage.

Check IC1000 Status PDN(#19) / Reset(#25) is High?

Check Reset (R1005) / PDN (R1003)

:They must be High (3.3V)

Replace P1000

Replace the Speaker

Y

Y

Y

Y

Y

YN

N

N

N

N

N

8/14

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Making

Revision

2009. 2 . 1PDP TV InputBlock Digital TV / HDMI Audio Problem

Follow procedure All source audio trouble shooting

Check EDID EEPROM (IC901,902,903)

→ Power(#8) & I2C Signal (#5, #6)

Re-download EDID dataor Replace IC

Digital TV

Check video output

Follow procedure All source audio trouble shooting

Follow procedure digital TV video trouble shooting

Replace Mstar IC (IC100)

Y

N

N

HDMI

Y

N

9/14

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< SIF waveform – sample >- Defend on the input signal.

Making

Revision

2009. 2 . 1PDP TV InputBlock Analog TV Audio Problem

Check video output

Follow procedure All source audio trouble shooting

Y

Follow procedure analog TV video trouble shooting

N

Replace Mstar IC (IC100)

Check R554,R557 for 5V Check R554,R557 outputN

Y

Check SIF signal L501 Replace IC500N

Y

Check SIF signal (R557) Check SIF lineN

Y

Y

10/14

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Check Connector and cablesJK701 (Component)

JK600.JK601 (SCART, Rear AV)JK702 (RGB)

JK700 (Side AV)

Replace connector or cable if found damaged

Check signalR736 / R737 (Component1)

R738 / R739 (RGB)R617 / R609, R654, / R652 (SCART, Rear AV)

R776 / R780 (AV Side)

Replace the Resistor

Check IC100 signalC36,C37,C38,C39,C40,C41,C42,C43,C44,C45

Replace Capacitor

Follow procedure All source audio trouble shooting

Making

Revision

2009. 2 . 1PDP TV InputBlock Component / AV/RGB Audio Problem

Y

Y

Y

N

N

N

11/14

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< SPDIF waveform – sample >- Defend on the input signal.

Making

Revision

2009. 2 . 1PDP TV InputBlock Optical Audio Problem

N

Check Signal (JK1000 #3)

Check SPDIF signal (R137) Replace Mstar IC100

Replace JK1000

Y

Y

12/14

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• Exception

- USB power could be disabled by inrushing current

- In this case, remove the device and try to reboot the TV (AC power off/on)

Making

Revision

2009. 2 . 1PDP TV InputBlock USB Problem

Check USB 2.0 Cable for damage or open conductors

Check L701 voltage level 5V

Y

NReplace L701

Check JK706 Replace JK706

Y

N

Replace Mstar IC100

Y

Check IC400N

Replace IC400

Y

13/14

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It should satisfy the Pixel Clock on CAS.

Making

Revision

2009. 2 . 1PDP TV InputBlock No OSD Problem

Check P400 OR P403#17(CKM) , #18(CKP) , #32(CKP) , #33(CKM)

Maybe Mstar has problemsReplace IC100

Check LVDS Cable damage or open connectors.

Check PDP Module Control board

Refer to Module CAS

Replace Cable

Check Vs,Va, 5V,17Von Powwer Board Replace Power Board

Check P1100 Disp_EN,VaVs ON, 5V_MNT Check GPIO Path of IC100

Y

Y

Y

Y

N

N

N

N

14/14

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