Published by MW 0567 TV Service Printed in the Netherlands Subject to modification EN 3122 785 15590

Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.

Colour television Module

LGE PDP Repair Manual PDP42V7****

Contents Page1. Technical Specifications, Connections, and Chassis Overview 22. Safety Instructions, Warnings, and Notes 53. Directions for Use 54. Mechanical Instructions 65. Service Modes, Error Codes, and Fault Finding 86. Block Diagrams, Test Point Overviews, and Waveforms 247. Circuit Diagrams and PWB Layouts 258. Alignments 269. Circuit Descriptions, Abbreviation List, and IC Data Sheets 2810. Spare Parts List 3211. Revision List 33

Technical Specifications, Connections, and Chassis OverviewEN 2 LGE PDP1.

1. Technical Specifications, Connections, and Chassis OverviewIndex of this chapter:1.1 Technical Specifications PDP42V7*

1.1 Technical Specifications PDP42V7*

The PDP Module is divided into a Panel part and a Drive part. The Panel part consists of Electrodes, Phosphor, various dielectrics, and gas, while the Drive part includes electronic circuitry and PWBs.

1.1.1 General Specification

Model Name : PDP42V7*Number Of Pixels (HxV) : 852 (*3) x 480 Pixel Pitch (HxV m) : 1080 x 1080Cell Pitch (HxV m) : 320 x 1080

: (Base: Green Cell)Display Area (HxV) : 920.1x518.4 0.5 mmOutline Dimension (HxVxD) : 1005x597x60.61mmColour Arrangement : RGB closed typeNumber Of Colours (RxGxB) : 1024 x 1024 x 1024Weight : 14.7 0.5 kgAspect Ratio : 16:9Peak Brightness : Typical 1500 cd/m2

: (1/10 white window): Average 100:1 : (Light room 100 Lx at

centre)Contrast Ratio : Typical 10000:1

: (Dark room 1/10 white window, white window pattern at centre)

Power Consumption : Typical 200 W : (Full White) 1)

Lifetime : Over 60,000 Hrs. (Initial brightness 1/2)

Note 1) It can increase to 300 W depending on input image.

1.1.2 Definitions

Figure 1-1 Definition of module position

Figure 1-2 Identification label

1. Model name.2. Bar code (Code 128, contains the manufacture no.).3. Manufacture no. (Module serial no.).4. The trade name of LG Electronics.5. Manufacture date (Year & Month).6. The place of origin.7. Model suffix.

Figure 1-3 Voltage label (on backside of module)

Figure 1-4 Part number printing (on board)

Figure 1-5 Part number label (on board)

Figure 1-6 TCP serial no. (on TCP)

longside 2

shortside 1

Longside 1* Back side of module

Exhausthole

shortside 2

TCP long2-1 TCP long 2-14

F_15590_041.eps140705

7####

2004.02402K242V7000266.ASLGA

F_15590_042.eps040705

Vsetup -Vy VscF_15590_043.eps

040705

PCB PART NO.F_15590_044.eps

040705

F_15590_045.eps040705

BOARD ASS`Y PART NO.

BOARD NAME

BOARD SERIAL NO.

F_15590_046.eps040705

TCP SERIAL NO.

Technical Specifications, Connections, and Chassis Overview EN 3LGE PDP 1.

1.1.3 Connection Overview

Figure 1-7

Table 1-1 Connector signals

Table 1-2 PSU Cable Assies

Table 1-3 PSU Connectors

Table 1-4 Board overview

F_15590_002.eps070605

CN807G CN806 G

1M02G

1M46G

1M03 G

CN1308 G

PSU(Power Supply Unit)

CN805

(A)

(C)

(B)

No Connector Input voltage & signalP1 Z SUS board 5V, Va, VsP5 Y SUS board VsP6 Y SUS board 5VP9 CTRL board Control signal

No LGE Part No. DescriptionA 6631Q39032A Cable assy 10p PSU->Y-SUSB 6631Q39033A Cable assy 8p PSU->Z-SUSC 6631Q39034A Cable assy 4p PSU->Y-SUS

No Input voltage & signalCN806 Vs: 187 VCN807 Vs: 187 V, Va: 65 V, 5 VCN805 5VCN1308 AC 220 V1M02 +Vsnd: +18 V, -Vsnd: -18 V1M46 8V6: 8.6 V, +12V: 12 V, +5V2: 5.2 V, Vtun: 50 V1M03 5V_sw: 5.2 V

No LGE Part No. Description of board assy1 6871QCH053D LVDS CTRL2 6871QDH084A Y-DRV TOP3 6871QDH085A Y-DRV BTM 4 6871QRH055D X-R5 6871QLH047D X-L6 6871QYH036C Y-SUS7 6871QZH041A Z-SUSFor Philips order codes, refer to "Ch. 10 Spare Parts".

Technical Specifications, Connections, and Chassis OverviewEN 4 LGE PDP1.

1.1.4 Chassis Overview

Figure 1-8 PWB location

CONTROL B/D

Y-DRIVE

BOTTOM

Y-SUS

F_15590_040.eps170605

B/D

Y-DRIVE

TOP

X-LEFT B/D X-RIGHT B/D

Z-SUS B/D

PSUVOLTAGE

IPM

TCP

Safety Instructions, Warnings, and Notes EN 5LGE PDP 2.

2. Safety Instructions, Warnings, and NotesNotes: Only authorised persons should perform servicing of this

module. When using/handling this unit, pay special attention to the

PDP Module: it should not be enforced into any other way then next rules, warnings, and/or cautions.

"Warning" indicates a hazard that may lead to death or injury if the warning is ignored and the product is handled incorrectly.

"Caution" indicates a hazard that can lead to injury or damage to property if the caution is ignored and the product is handled incorrectly.

2.1 Warnings

1. Do not touch the Signal and Power Connectors while this product operates. Do not touch EMI ground part and Heat Sink of Film Filter.

2. Do not supply a voltage higher than specified to this product. This may damage the product or can create hazardous situations.

3. Do not use this product in locations where the humidity is extremely high, where it may be splashed with water, or where flammable materials surround it. Do not install or use the product in a location that does no satisfy specified environmental conditions. This may damage the product or can create hazardous situations.

4. If a foreign substance (such as water, metal, or liquid) gets inside the product, immediately turn "off" the power. Continuing to use the product may cause electric shock or can create hazardous situations.

5. If the product emits smoke and abnormal smell, or makes an abnormal sound, immediately turn "off" the power. Continuing to use the product may cause electric shock or can create hazardous situations.

6. Do not (dis)connect the connector while power to the product is "on". It takes some time for the voltage to drop to a sufficiently low level after the power has been turned "off". Confirm that the voltage has dropped to a safe level before (dis)connecting the connector.

7. Do not pull out or insert the power cable from/to an outlet with wet hands. It may cause electric shock.

8. Do not damage or modify the power cable. It may cause electric shock or can create hazardous situations.

9. If the power cable is damaged, or if the connector is loose, do not use the product, otherwise, this can lead to hazardous situations or may cause electric shock.

10. If the power connector, or the connector of the power cable, is dirty or dusty, wipe it with a dry cloth. Otherwise, this can lead to hazardous situations.

11. The PDP module uses a high voltage (max. 450 VDC). Keep the cautions concerning electric shock and do not touch the device circuitry handling the PDP unit. And because the capacitors of the device circuitry may remain charged at the moment of Power "off", standing for 1 minute is required in order to touch the device circuitry.

12. Because the PDP module emits heat from the glass panel part and the drive circuitry, the environmental temperature must not be over 40 deg. C. The temperature of the glass panel part is especially high owing to heat from internal drive circuitry. And because the PDP module is driven by high voltage, it must avoid conductive materials.

13. If inserting components or circuit boards in order to repair, be sure to fix a lead line to the connector before soldering.

14. If inserting high-power resistors (metal-oxide film resistor or metal film resistor) in order to repair, insert it 10 mm away from a board.

15. During repairs, high voltage or high temperature components must be put away from a lead line.

16. This is a cold chassis but you better use an isolation transformer for safety during repairs. If repairing the electricity source part, you MUST use the isolation transformer.

17. Do not place an object on the glass surface of the display. The glass may break or be scratched.

18. This product may be damaged if it is subjected to excessive stresses (such as excessive voltage, current, or temperature). The absolute maximum ratings specify the limits of these stresses.

19. The recommended operating conditions are conditions in which the normal operation of this product is guaranteed. All the rated values of the electrical specifications are guaranteed within these conditions. Always use the product within the range of the recommended operating conditions. Otherwise, the reliability of the product may be degraded.

20. This product has a glass display surface. Design your system so that excessive shock and load are not applied to the glass. Exercise care that the vent at the corner of the glass panel is not damaged. If the glass panel or vent is damaged, the product is inoperable.

21. Do not cover or wrap the product with a cloth or other covering while power is supplied to the product.

22. Before turning on power to the product, check the wiring of the product and confirm that the supply voltage is within the rated voltage range. If the wiring is wrong or if a voltage outside the rated range is applied, the product may malfunction or be damaged.

23. Do not store this product in a location where temperature and humidity are high. This may cause the product to malfunction. Because this product uses a discharge phenomenon, it may take time to light (operation may be delayed) when the product is used after it has been stored for a long time. In this case, it is recommended to light all cells for about 2 hours (aging).

24. This product is made from various materials such as glass, metal, and plastic. When discarding it, be sure to contact a professional waste disposal operator.

25. If faults occur due to arbitrary modification or disassembly, LG Electronics is not responsible for function, quality or other items.

26. Use of the product with a combination of parameters, conditions, or logic not specified in the specifications of this product is not guaranteed. If intending to use the product in such a way, be sure to consult LGE in advance.

27. Within the warranty period, general faults that occur due to defects in components such as ICs will be rectified by LGE without charge. However, IMAGE STICKING due to misapplying the above provision (12), is not included in the warranty. Repairs due to the other faults may be charged for depending on responsibility for the faults.

28. While assembling the PDP module into a set, use the EMI ground part of the Film Filter for grounding, BEFORE removing the protective film, to prevent that static electricity can damage the TCPs or boards

3. Directions for UseNot applicable.

Mechanical InstructionsEN 6 LGE PDP4.

4. Mechanical Instructions

4.1 Mechanical Overview PDP42V7*

Figure 4-1 Cable dressing

Figure 4-2 Label location

F_15590_060.eps200605

F_15590_000.eps010705

F_15590_110.eps070705

CTRL B/D

Y-SUS

Y-DRV TOP

Y-DRV BTM

X-L B/D X-R B/D

Serial No. Position anInformation -Board P/No. -Board Name -Serial No. of Assembly

Information of module

Mechanical Instructions EN 7LGE PDP 4.

Figure 4-3 Label indication

Figure 4-4 Label information (1)

Figure 4-5 Label information (2)

F_15590_111.eps070705

1. Warning & Caution Label 2. Safety approval

3. Voltage Label G

4. Serial No. of Frame G5. GManufacture GSerial No. of Module G

1. Warming & Caution Label : Warming and caution for High Voltage, Hot Surface, Wound

Warning (High Voltage, Hazard Voltage) Warning (Hot Surface, Hot part) Caution (Wound, Mechanical Hazard)

2. Safety Approval Label

5.25V/65Va/195Vs2.0A/1.4A/1.2A

7###

2.5 cm

7.5 cm

Model Name Max. Watt (Full White) Max. Volts Max. Amps The Trade Name of LG Electronics TUV Approval Mark Safety Approval Mark Safety Approval No.

3. Voltage Label : Model Name & Operational Voltage

195 / -120 / 115 / N.A / N.A230W

190V5V

7###

2.5

7.0

F_15590_112.eps080705

4. Serial No. for Frame Assy

Serial No of Frame Assy Serial No. of Frame Assy for Philips are 3315Q-E037B, 3315Q-E037C and 3315Q-E037F .

5. Manufacture Serial No. Label of Module

2004.1

410K342V7001266.AKLGG21

7###

2.5

7.0

Model NameModel Names for Philips are PDP42V7A062, PDP42V7A012, PDP42V74112, PDP42V74102,PDP42V74012, PDP42V74002, PDP42V70102 and PDP42V70002. PDP42V7 : PSU Character : Panel character : Circuit character : Mechanical character

Bar Code (Code 128, Contains the manufacture No.) Manufacture No. The trade name of LG Electronics Manufactured date (Year & Month) The place Origin Model Suffix : ASLGB21 is Model Suffix for Philips

F_15590_113.eps080705

Service Modes, Error Codes, and Fault FindingEN 8 LGE PDP5.

5. Service Modes, Error Codes, and Fault FindingIndex of this chapter:5.1 Quick Module Check PDP42V7*5.2 Detailed Module Check PDP42V7*5.3 Detailed PSU Check PDP42V7*

5.1 Quick Module Check PDP42V7*

Figure 5-1 Logical judgement

Figure 5-2 Quick check

What kind of defect?

Horizontal defect?

Vertical defect?

Please follow the No display trouble shooting way (see figure below). No display?

Dark display? Please follow the Dark display trouble shooting way (see figure below).

Bar defect appeared? Please follow Bar defect trouble shootingway (see figure below).

Line defect

Please follow the Line defect trouble shooting way (see figure below).

Misdischargeon screen? Please follow the Mis-discharge trouble shooting way (see figure below).

F_15590_064.eps050705

Trouble Shooting

Horizontal defect?

Vertical defect?

Mis dischargeon screen?

No display?

Check model No. of module, all connectors and cables.

Check panel appearance Check PSU output (Va,Vs,5v) Check Y, Z B/D Input voltage

Replace Ctrl B/D Replace Y, Z B/D

Dark display ? Check IPM of Y SUS ,Z B/D Replace YDR B/DCheck all cables and connectors

Replace Ctrl B/DCheck panel appearance Check TCP Replace X B/D

Replace Ctrl B/DCheck FPC Replace YDR B/D Replace YSUS B/D

Replace Ctrl B/DReplace YDR B/D Replace YSUS B/D

F_15590_063.eps050705

Service Modes, Error Codes, and Fault Finding EN 9LGE PDP 5.

5.1.1 No Display

Check each section with following method. If there is a problem, replace or repair that part.If it is not found, go to the next section.

ConnectorsConfirm all connectors (PSU, Y-SUS, CTRL, Z-SUS). The module may not function normally by misconnection (can not send signal and power). Also misconnection for a long time can have a specific board failed.

Figure 5-3 Control + Y-SUS board

Figure 5-4 Control + Z-SUS board

Figure 5-5 Control + X board

Figure 5-6 Signal input (LVDS)

Exhaust TipCheck the Exhausting Tip for cracks with the naked eye to check the vacuum state.If there is a problem, replace the PDP module by a new one.In case of vacuum breakdown, the module makes a shaking noise because of inside gas ventilation.There may be a small crack, which cannot be seen with the naked eye. This noise is different from capacitor noise.

Figure 5-7 Exhaust tip "normal"

F_15590_065.eps290605

F_15590_066.eps290605

F_15590_067.eps290605

F_15590_068.eps290605

NORMAL F_15590_069.eps050705

Service Modes, Error Codes, and Fault FindingEN 10 LGE PDP5.

PSU (see figure PSU trouble shooting)1. Check each unit part of PSU inside with naked eye

(capacitor, FET, IC, resistor). 2. Check fuse and switch position (on "Normal").3. Check output voltage, which is converted from AC to DC.4. Voltage Check (5V, Va, Vs).When PSU protection occurred: check for short between Y-SUS and Z-SUS board.

Figure 5-8 PSU trouble shooting

PSU Power ProtectionThere is a power protection when the power is switched "off" automatically within 2-3 min. from power "on".The power protection function protects the boards when a short occurs on circuits of the PDP module, or when a power problem occurs. If there is no power, even after replacing the PSU, find out where the short occurred.

In case of a PSU protection, the red LED will be "on" and an error code will be displayed via the green blinking LED (see also paragraph "Detailed PSU Trouble Shooting" further on).In case of a PSU protection, switch the service switch to "auto", disconnect the power supply connectors to the boards, to find if the if the boards are defective or the PSU itself.

Fixed to Normal

if not sameConfirm

input voltage

Adjustvoltages

- value +value

Check fuse

Adjustway

Vs Voltage ADJ(Vs : About 180 ~195 V)

Va Voltage ADJVa : About 55 ~65 V

Multimeter Touch point(5V, Va ,Vs according to Module Label)

F_15590_071.eps060705

Service Modes, Error Codes, and Fault Finding EN 11LGE PDP 5.

Control Board (see figure Control b/d trouble shooting)1. Check LED status (normal status lightening or not)2. If not, check OSC X1 output.3. Check CTRL input voltage (connector P10).4. Check each FET (3.3V, 5V, and 1.8V).

Figure 5-9 Control b/d trouble shooting

Y-SUS Board (see figure Y-SUS b/d trouble shooting)1. Check fuse: FS1 (5V), FS2 (Vs).2. Check voltages (Vsetup, -Vy, and Vsc).3. Check diode between GND and Y-SUS output.4. Check whether output voltages agree with voltages on the

label.

Figure 5-10 Y-SUS board output diode check

Figure 5-11 Y-SUS b/d trouble shooting

F_15590_072.eps060705

3.3 V5 V

1..8 V

LED

Input voltage

OSC(X1)

Probe

touching

point

Check FET

Check oscillating state.

Be careful with physical shock.

DMM (GND)

F_15590_074.eps290605

Normal diode value= 0.6 (forward) Normal diode value = OL (reverse)

F_15590_073.eps060705

Vsc check point(measure over R53)

Vy adjust

Vy check point(measure over R78)

Vset_dnadjust

Vs fuse

Vset_upadjust

5V fuse

Service Modes, Error Codes, and Fault FindingEN 12 LGE PDP5.

Z-SUS Board1. Check the fuses.2. Check input voltages (Va, 5V, and 15V)3. Check FPC output diode value.

Figure 5-12 Z-SUS board fuse check

Figure 5-13 Z-SUS board FPC output diode check

5.1.2 Bar Defect (Vertical)

Check each section with following method. If there is a problem, replace or repair that part. If not go to the next section.

ConnectorCheck the TCP connector and cables. If not connected well, it will result in a bar defect and abnormal display behaviour.

Figure 5-14 Connector check (1)

Figure 5-15 Connector check (2)

Checking TCPConfirm whether the TCP was torn or chopping.

Figure 5-16 TCP torn

Figure 5-17 TCP IC broken

F_15590_075.eps070705

Va FUSE Vs FUSE

5V FUSE

F_15590_077.eps060705

Normal diode value = 0.4 (forward)Normal diode value = OL (reverse)

Check here

Bar

F_15590_078.eps060705

Check here

Off

F_15590_079.eps060705

TCPtorn

F_15590_080.eps060705

TCP IC broken

F_15590_081.eps060705

Service Modes, Error Codes, and Fault Finding EN 13LGE PDP 5.

Control BoardThe Control board supplies the video signal to the TCP. So, if there is a bar defect on screen, it may be a Control board problem.

Figure 5-18 Control board address flow

5.1.3 Line Defect (Vertical)

In case of one line open or shorted, check dirt (foreign substances) in TCP connector. First, try to remove the dirt with compressed air. If, after this, the same line appears again, replace the panel.

Line Open or ShortThis phenomenon is due to TCP IC inside short or electrode problem. In this case, replace the panel.

Figure 5-19 Single line defect

Line Open or Short with the Same DistanceThis is MCM of Control board defect. The MCM cannot be replaced separately. So replace the Control board.

Figure 5-20 Evenly repeated lines

5.1.4 Bar Defect (Horizontal)

Most horizontal defects can be repaired. In case of adherence part of the film and rear panel electrode, or panel electrode open/short, replace the PDP panel.

ConnectorIf the connector on Y board and Z board are not plugged in well, it can result in a horizontal bar, because the sustain voltageCannot be supplied to panel. So check connectors FPC and Ydrv-Ydrv first.

Figure 5-21 Check FPC connectors

F_15590_082.eps060705

Buffer IC

MCM

TCP

6 line

Array Resistor

192 Line output

1 line open

1 electrode open

F_15590_083.eps060705

MCM of CTRL board defect. MCM can not be replaced separately. So replace the CTRL board.

MCM (Multi Chip Module)

F_15590_084.eps060705

Horizontal bar

Disconnected

F_15590_085.eps060705

Service Modes, Error Codes, and Fault FindingEN 14 LGE PDP5.

Figure 5-22 Check drive connectors

Scan IC CheckCheck diode value of the right side part of the output pin.

Figure 5-23 Scan IC output diode check

5.1.5 Line Defect (Horizontal)

FPC CheckIn case of one or more horizontal lines, this is probably due to FPC or panel inside the Control board. Y board is just normal.

Figure 5-24 Open FPC electrode / Panel electrode breakdown

Scan IC CheckCheck diode value of the right side part of the output pin.

Figure 5-25 Scan IC output diode check

5.1.6 Mis-discharge Defect

Most of mis-discharge appearance is a problem of Y-DR, Y-SUS, or Z board.Check these boards when mis-discharge occurs.

Figure 5-26 Mis-discharge

Checking Order1. Check Y- and Z-SUS signal cable.2. Check if Y-DRV IC is defective.3. Check Y-SUS board voltages (-Vy, Vscw)4. Check if Y- and/or Z-SUS IPM are defective (see

paragraph "How to Check IPM" below).5. Replace Control board

How to Check IPM

Forward directionMeasure between: GND (+) and Sus-out (-). Sus-out (+) and Vs (-).When each two test diode values is over 0.4V => OK.

Reverse direction Measure between: GND (-) and Sus-out (+). Sus-out (-) and Vs (+).When each 4 nodes test diode values is infinite => OK

Disconnected

Screen off

F_15590_086.eps060705

Normal diode value= 0.6 (forward)F_15590_087.eps

060705

Normal diode value= OL (reverse)

Horizontal 1 line.

FPC electrode open

F_15590_089.eps070705

Panel electrodeInsulation break down

F_15590_091.eps290605

F_15590_093.eps070705

Service Modes, Error Codes, and Fault Finding EN 15LGE PDP 5.

Figure 5-27 IPM check

5.2 Detailed Module Check PDP42V7*

5.2.1 No Display

The Screen Does Not Display a Picture1. Check whether on the CTRL board LED (D1, D2, D3, D4,

and D5) is turned "on" or not.2. Check the power and signal cable of the CTRL board.3. Check if the X, Y, and Z boards are plugged in correctly.4. Check the connection of the X, Y, and Z boards to the

CTRL board. 5. Measure the output wave of X, Y, and Z boards with an

oscilloscope (> 200 MHz) and find the trouble board by comparing the output wave with below figure. Measure point for Y board: Bead B39. Measure point for Z board: Bead B28. Measure point for X board: P3.

6. Check the SCAN (Y side) IC.7. Check the DATA (X side) TCP IC.8. Replace the CTRL board.9. Check if the fuse of Y and/or Z board is open and replace

when open.10. Check the input voltage (Vcc= 5 V, Va= 65 V, Vs= 187 V).

Figure 5-28 Y and Z board output waveform (1 Frame)

Figure 5-29 Y and Z board output waveform (1 Sub Frame)

Figure 5-30 X board output waveform (1 Frame)

F_15590_095.eps060705

200 MHz.2. DVM (Digital Multimeter): Fluke 87 or similar.3. Signal generator: VG-825 or similar.4. DC power supply or PSU:

DC power supply for Vs (1): 0 - 200 V, > 10 A. DC power supply for Va (1): 0 - 100 V, > 5 A. DC power supply for 5V (1): 0 - 10 V, > 10 A. DC/DC converter jig (1): The jig with an equivalent

voltage output of PDP42V7#### module after taking the Vs, Va, and 5V voltage.

Voltage stability of power supply: Within 1% for Vs and Va, within 3% for 5V.

8.2.3 Alignments

Figure 8-2 Y, Z set-up waveform

Vset-up AlignmentAdjusting Vset-up voltage wave form:1. Connect the measuring instruments according to Fig.

"Measuring equipment connection diagram".2. Turn on the measuring instruments with Caution of Fig.

"Measuring equipment connection diagram".3. Connect the oscilloscope probe to B39 (Bead) of Y board

bottom and GND.4. Turn the VR1 on the Y board, and make the A waveform

according to Fig. " Y, Z set-up waveform " to be 10 2 s.

Vset-down AlignmentAdjusting Vset-down voltage wave form:1. Turn the VR2 on the YSUS board and make the B

waveform according to Fig. " Y, Z set-up waveform " to be 100 2 s.

DC/DC Pack Voltage AlignmentChecking the DC/DC Pack voltage:1. Convert the signal of the signal generator to a 100% Full

White signal.2. Connect the GND terminal of the DVM to the right leg of

R53 on the Y board, and set the Plus terminal to the left leg of R53 to check the Vsc voltage (115 1 V) and when there is abnormality in the voltage, turn the variable resistor (VR3) of DC/DC Pack (Vsc) PS1 on the Y board to adjust.

3. Connect the GND terminal of the DVM to the right leg of R78 on the Y board and set the Plus terminal to the left leg of R78 to check the -Vy voltage (-85 1 V) and when there is abnormality in voltage turn the variable resistor (VR4) of the DC/DC Pack (-Vy) PS1 on the Y board to adjust.

E/X Tube

X right

CONTROLLERSignal Input

(R,G,B,H/Vsync.)

X left

Z SUS Y-SUS

187 1.0

DC Power Supply for Vs

65 0.02

DC Power Supply for Va

5 1.0 DC Power Supply for 5V

Signal Generator(VG-825)

Power

Caution (1) The power of the signal generator should be turned on before turning on

the power of the DC power supply. (2) The voltage of DC power supply , in standard of Module input voltage,

should be preset as below. Vcc: 5V, Va: 65V, Vs: 187V

(3) The power of power supply must turned on by this sequence. Reverse direction when turning off.

* Module on : 5V => Va => Vs, Module off: Vs => Va => 5V

(4) Signal generator should be selected with 852x480(WVGA) mode.

Also the PSU(Power Supply Unit) use is possible

F_15590_004.eps060705

Vs

Vset_up (=Vs) = 187 1V

- Vy = - 85 + 1V (Vr4)

Vs = 187 1V (on PSU) Z board waveform

B: Vset_down= 100 + 2 s (Vr2)

A:10 + 2 s (Vr1)

F_15590_003.eps040705

Alignments EN 27LGE PDP 8.

Vs Alignment on PSUThis describes the Vs alignment on the PSU:1. Set the switch on the PSU to AUTO.2. Connect Mains/AC Power (from Mains Filter) to the PSU

board (CN1308).3. Connect a multimeter between CN06-Vs and ground (e.g.

frame).4. Align Vs with the upper potmeter (VR501) to:

184 V for the PDP42V7A062 and PDP42V7K062 models (different from label !).

187 V for the other V7 models (as printed on label).5. Set the switch on the PSU back to NORMAL.

Figure 8-3 Switch setting (Vs alignment step 1)

Figure 8-4 Connect Mains (Vs alignment step 2)

Figure 8-5 Vs measure and alignment point (step 3 &4)

8.2.4 Internal Test Patterns

The CTRL board is capable of generating its own video test patterns. There are two possibilities, both based on R406 and R407: R406 is open and R407 is fitted (= standard setting): the

test pattern is a full black screen (very low light output). R406 is fitted and R407 is open (desolder R407 and mount

it on pos. R406): the test patterns are shown in an automatic loop.

Figure 8-6 Internal test pattern mode

Switch on PSU

F_15590_116.eps120705

F_15590_117.eps120705

F_15590_118.eps120705

CN06-VsVR501

F_15590_114.eps080705

R406R407

R406R407

Pattern loop

Black pattern

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 28 LGE PDP9.

9. Circuit Descriptions, Abbreviation List, and IC Data SheetsIndex of this chapter:9.1 X Board9.2 Z Sustain Board9.3 Y Drive Board9.4 Y Sustain Board9.5 Control Board9.6 DC/DC Converter Part9.7 FPC (Flexible Printed Circuit)9.8 FFC (Flat Flexible Cable)9.9 TCP (Tape Carrier Package)9.10 IPM (Intelligent Power Module)9.11 Abbreviation List9.12 IC Data Sheets

9.1 X Board

9.1.1 Purpose

Receiving LOGIC signal from the CONTROL board and make ADDRESS PULSE (generates Address discharge) by ON/OFF operation, and then supplies this waveform to TCP (data).

Figure 9-1 X boards

9.1.2 Dismantling

1. Remove connections between the boards:

Figure 9-2 Between CONTROL board and X board

1. Lift up lock as indicated by the arrows (handle with care, as this part is easy to break).

2. Pull TCP as indicated (handle with care, as the TCP film part is easy to damage).

Figure 9-3 TCP Separating

9.2 Z Sustain Board

9.2.1 Purpose

To make the SUSTAIN and ERASE pulses that generates SUSTAIN discharge in the panel by receiving LOGIC signal fromCONTROL board. This waveform is then supplied to the panel through FPC (Z).

Figure 9-4 Z Sustain Board

F_15590_048.eps040705

X Left board

X Right board

F_15590_049.eps070705

Powercable

Signal cable

F_15590_050.eps040705

* IPM (Intelligent Power Module)E/R(Energy recovery)

F_15590_051.eps040705

Circuit Descriptions, Abbreviation List, and IC Data Sheets EN 29LGE PDP 9.

9.2.2 Main Components

IPM, FET, DIODE, electrolytic capacitor, and E/R coil.

9.2.3 Dismantling

1. Pull out Locks as indicated by the arrows.2. Condition in Lock part is pulled.3. Pull FPC as shown by arrow.

Figure 9-5 FPC Separating

9.3 Y Drive Board

9.3.1 Purpose

To supply SUSTAIN, RESET waveform which are made by the Y SUSTAIN board and are supplied to the PDP through the SCAN DRIVER IC.

To supply a waveform that selects the horizontal electrode (Y SUSTAIN electrode) sequentially. Potential difference is 0 V between GND and Vpp of

DRIVER IC in SUSTAIN period. Being generated potential difference between GND

and Vpp only in SCAN period.

Note: In case of 42 V7, used DRIVER SCAN ICs are in total of 8 EA (TOP, BOTTOM: each 4 EA).

Figure 9-6 Y Drive board

9.4 Y Sustain Board

9.4.1 Purpose

Generates SUSTAIN, RESET, and Vsc (SCAN) voltages, and supplies them to the Y DRIVE board.

Figure 9-7 Y Sustain board

9.4.2 Main Components

IPM, diode, electrolytic capacitor, and FET.

9.5 Control Board

9.5.1 Purpose

Creates signal processing, and controls many FET on each DRIVER board with R, G, and B signals.Firstly receive 5 V, and then use two voltages (3.3 V / 1.8 V).

Figure 9-8 Control board

F_15590_052.eps040705

Y DRIVER

SCAN IC

Status Separatedwith Y-SUS B/D

Status Assembled

F_15590_053.eps040705

F_15590_054.eps040705

* IPM (Intelligent Power Module)E/R(Energy recovery)

MCM( Multi Chip Module)

LVDS SignalInput pin

MCM( Multi Chip Module )

6 bi tsignal

8 bit or 10bit signal

TCP

F_15590_055.eps040705

Circuit Descriptions, Abbreviation List, and IC Data SheetsEN 30 LGE PDP9.

9.6 DC/DC Converter Part

9.6.1 Purpose

From 5V, Vs, and Va (from PSU), the DC/DC converter makes 5V, 15V, Vy, Vsc, 5Vf, and Va, which are essential for each board.

Figure 9-9 DC/DC Converter block diagram

Figure 9-10 DC/DC Converter part

9.7 FPC (Flexible Printed Circuit)9.7.1 Purpose

To supply a driving waveform to the PDP by connecting a PAD electrode of the PDP with a PWB (Y and Z boards). There are two types of this for the Y board: One is single-

sided; the other is double-sided (these have a pattern on it).

For Z board there is no pattern, single-sided, and Beta type (all of copper surface).

Figure 9-11 Flexible Printed Circuit

9.8 FFC (Flat Flexible Cable)9.8.1 Purpose

For connecting LOGIC signals between boards. There are two types 0.5 mm pitch, 50-pin type. 0.5 mm pitch, 60-pin type.

Figure 9-12 Flat Flexible Cable

9.9 TCP (Tape Carrier Package)9.9.1 Purpose

To supply a waveform which is made by the X board to the PDP, and to select an output pin that is controlled by TCP when "on" or "off" (192 output pins per IC). TCP is package type, which is made by Direct Bonding

between IC and electrode film. It is more effective than Wire Bonding type by increasing

number of Data Driver IC output pins (96-pin -> 192-pins, pitch < 80 m).

Figure 9-13 Tape Carrier Package

PSU YSUS B/D

5V 5V

15V

5Vf( Floating Voltage)

VsVy

Vsc

Va Va

DC/DCConvert

DC/DCConvert

PSU Z B/D Ctrl. B/D X B/D

F_15590_056.eps040705

DC/DC converterpart

F_15590_057.eps040705

F_15590_058.eps200605

F_15590_059.eps200605

F_15590_060.eps200605

Circuit Descriptions, Abbreviation List, and IC Data Sheets EN 31LGE PDP 9.

9.10 IPM (Intelligent Power Module)9.10.1 Purpose

Attached at Z board and Y board, to make Sustain waveform. Sustainer: supply a square wave to the PDP to make video.

Figure 9-14 Intelligent Power Module

Figure 9-15 Sustain pulse (061)

9.10.2 Main Components

Heatsink, capacitor, diode, IC, resistor, transistor, and FET.

9.11 Abbreviation List

AC Alternating CurrentB/D BoardCLK Clock signalCTRL Control (board)DC Direct CurrentFET Field Effect TransistorFPC Flexible Printed CircuitI/O Input/OutputIC Integrated CircuitIPM Intelligent Power ModuleLED Light Emitting DiodeLGE Lucky Goldstar Electronics (supplier)MCM Multi Chip ModulePCB Printed Circuit Board (same as PWB)PDP Plasma Display PanelPFC Power Factor Corrector circuitPSU Power Supply UnitPWB Printed Wiring Board (same as PCB)RGB Red, Green, Blue colour spaceSTB Stand-by signalTCP Tape Carrier Package

9.12 IC Data Sheets

Not applicable

F_15590_062.eps050705

IPM

F_15590_061.eps050705

Spare Parts ListEN 32 LGE PDP10.

10. Spare Parts List

Figure 10-1 Safety component overview (for information purpose only, parts cannot be ordered!)

Plasma Module PDP42V7****

Various

S001 9965 000 27808 CONTROL boardS002 9965 000 27809 Y-DRIVE TOP boardS003 9965 000 27810 Y-DRIVE BTM boardS004 9965 000 27811 X-LEFT boardS005 9965 000 27812 X-RIGHT boardS006 9965 000 27813 Y-SUS boardS007 9965 000 27814 Z-SUS boardS008 9965 000 27815 PSU boardS009 9965 000 29871 Conn. assy 10P PSU=>Y-SUSS010 9965 000 29872 Conn. assy 8P PSU=>Z-SUSS011 9965 000 29873 Conn. assy 4P PSU=>Y-SUS

jY^SY_SZXSZ[S\_

zY\WX\WY\WX\W

zZ\WXWZ\WXW

jY]S\ZS\]S\`S][S]_S]` pjYWW

stY\_\z

uh{pvuhs

YWhVZWW}

zopuklunlu

zmYWsjZW

kX^

sXSY

nl{GwOGGGP

WU]o

pjX\oGzOpwtP

\^QX_WQX`U\QXUWGOGGGGGP\^QX_WQYYQXUWGGGOGGGGGP

h|rGzwj^X^tOGGGGGP

wGj

pj`SXX

]X[WxkWWXZh

mG

XWhSGZWW}

ozXoGzOml{P

``U\QZWQY\QXU\

Gz iVk

XWXW

mzX

XWhSGXY\}

mzY

{

mYWsjZW

{YU WhoG Y\W}OG G P{[U WhoG Y\W}OG G P

SS

SSSSSS

SS

SS

SS

{Z

~WX[hGOGGGGGP

SS{X

nl{GwX\}XW

~WW^hGGOGGGGGP

msX

nl{GwOGGP

]WoZZU\G

SS

ozYoGz

]_U\QZWQYXU\QXUW

SS

Gz iVkz

Y\WX\WY\WX\W

j`SXWSXXSXYSXZ

YWhVZWW}

zopuklunlu

zmYWsjZW

kX

mzX

XWXW

mzZ

XWhSGXY\}

mG

XWhSGZWW}{

mYWsjZWmYWsjZW

{YU WhoG Y\W}OG G P{[U WhoG Y\W}OG G P

mzY

{]U ZhoG Y\W}OG G P{[U WhoG Y\W}OG G P

SS

SS

SS

nl{GwOGGGP

WU]o]X[WxkWWXZh

SS sXSYoGzOpwtP

SSmsX

nl{GwOGGP

]WoZZU\G

nl{Gw}SG}]

XW\rYG\GWGltXW\rYG\GWGlt w

jG_XWSYXSY\S[W[Y

XW\rYG\GWGltXW\rYG\GWGlt

t

w

jXSYSZS[S\S]S^S_

t

pjY

SS

SS

SS

{[

~WX[hGOGGGGGP ~WXZhGOGGGGGP

CC

nl{Gw}SG}]

\^QX_WQX`U\QXUWOGP\^QX_WQYYQXUWOGP

{jw

mGaG}{tTW

|ilGpOjPzOpPGGOGGGGGGGGPG

SS

mwj

GaG`[}TW

GwvOGGGPk nkzGmXTWGOGGGP

SS[Ym

XWW\O~PQ\`^OoP

[Y n

ma`^_O~PQ\\WOoPia`\_O~PQ\^WOoP

hGG

SSSS

w

{jwGoGzSS

_`_QX`QYWU^QXUW

mGmOvP

snGjUGOGGGGGGPtGjU OGGGGGGGP

SS

{GwSS

kGj{wGY[]W OGGGGGPG

GiVk

F_15590_039.eps060605

Revision List EN 33LGE PDP 11.

11. Revision ListManual xxxx xxx xxxx.0 First release.

Revision ListEN 34 LGE PDP11.

Contents1. Technical Specifications, Connections, and Chassis Overview1.1 Technical Specifications PDP42V7*1.1.1 General Specification1.1.2 DefinitionsFigure 1-1 Definition of module positionFigure 1-2 Identification labelFigure 1-3 Voltage label (on backside of module)Figure 1-4 Part number printing (on board)Figure 1-5 Part number label (on board)Figure 1-6 TCP serial no. (on TCP)

1.1.3 Connection OverviewFigure 1-7

1.1.4 Chassis OverviewFigure 1-8 PWB location

2. Safety Instructions, Warnings, and Notes2.1 Warnings

3. Directions for Use4. Mechanical Instructions4.1 Mechanical Overview PDP42V7*Figure 4-1 Cable dressingFigure 4-2 Label locationFigure 4-3 Label indicationFigure 4-4 Label information (1)Figure 4-5 Label information (2)

5. Service Modes, Error Codes, and Fault Finding5.1 Quick Module Check PDP42V7*Figure 5-1 Logical judgementFigure 5-2 Quick check5.1.1 No DisplayConnectorsFigure 5-3 Control + Y-SUS boardFigure 5-4 Control + Z-SUS boardFigure 5-5 Control + X boardFigure 5-6 Signal input (LVDS)

Exhaust TipFigure 5-7 Exhaust tip "normal"

PSU (see figure PSU trouble shooting)Figure 5-8 PSU trouble shooting

PSU Power ProtectionControl Board (see figure Control b/d trouble shooting)Figure 5-9 Control b/d trouble shooting

Y-SUS Board (see figure Y-SUS b/d trouble shooting)Figure 5-10 Y-SUS board output diode checkFigure 5-11 Y-SUS b/d trouble shooting

Z-SUS BoardFigure 5-12 Z-SUS board fuse checkFigure 5-13 Z-SUS board FPC output diode check

5.1.2 Bar Defect (Vertical)ConnectorFigure 5-14 Connector check (1)Figure 5-15 Connector check (2)

Checking TCPFigure 5-16 TCP tornFigure 5-17 TCP IC broken

Control BoardFigure 5-18 Control board address flow

5.1.3 Line Defect (Vertical)Line Open or ShortFigure 5-19 Single line defect

Line Open or Short with the Same DistanceFigure 5-20 Evenly repeated lines

5.1.4 Bar Defect (Horizontal)ConnectorFigure 5-21 Check FPC connectorsFigure 5-22 Check drive connectors

Scan IC CheckFigure 5-23 Scan IC output diode check

5.1.5 Line Defect (Horizontal)FPC CheckFigure 5-24 Open FPC electrode / Panel electrode breakdown

Scan IC CheckFigure 5-25 Scan IC output diode check

5.1.6 Mis-discharge DefectFigure 5-26 Mis-dischargeChecking OrderHow to Check IPMForward directionReverse direction Figure 5-27 IPM check

5.2 Detailed Module Check PDP42V7*5.2.1 No DisplayThe Screen Does Not Display a PictureFigure 5-28 Y and Z board output waveform (1 Frame)Figure 5-29 Y and Z board output waveform (1 Sub Frame)Figure 5-30 X board output waveform (1 Frame)

5.2.2 Display DefectsAll, or Half of the Screen is Not ShownFigure 5-31 Screen display 1/2 display

Vertical Parts of the Screen are MissingFigure 5-32 Screen display Vertical parts missingFigure 5-33 Data TCP IC examination

Unusual Pattern on DisplayFigure 5-34 Case 1Figure 5-35 Case 2Figure 5-36 Case 3Figure 5-37 Case 4Figure 5-38 Case 5

Regular Stripe on DisplayFigure 5-39 Screen display Regular stripes

Scan FPC ProblemFigure 5-40 Screen display Scan FPC problemFigure 5-41 Scan IC

Vertical Line with Regular Gap (Vertical Stripe Flash at Special Colour)Figure 5-42 Screen display Vertical lines with regular gap

Data Copy into Vertical DirectionFigure 5-43 Screen display Data copy in vertical direction

One or Several Vertical Line(s) on the ScreenFigure 5-44 Screen display Vertical lines

One or Several Horizontal Lines on the ScreenFigure 5-45 Screen display Horizontal lines

Low Brightness of Displayed PicturePartially Other Colour on Full White Screen or Partially Discharge on Full Black Screen.Figure 5-46 Y output voltage waveform

No Specified Brightness at Specified Colour

5.2.3 Checking for Component DamageY IPM (IC 15) or Z IPM (IC 2)Figure 5-47 IPM normal output

Pass_Top FET (Y board: HS2)Figure 5-48 Pass-Top FET defective

FET Assy (Y board: HS1)Figure 5-49 Set_Up FET defectiveFigure 5-50 Set_Down FET defectiveFigure 5-51 Reset section normal output

SCAN IC (Y-DRV board: IC1-8)Figure 5-52 SCAN IC defectiveFigure 5-53 Y DRV board Top and Bottom cable damagedFigure 5-54 SCAN IC shorted output Figure 5-55 SCAN IC normal output

TCPsFigure 5-56 COF IC output defectiveFigure 5-57 TCP normal output

Crystal (CTRL board: X1)Figure 5-58 Crystal normal outputFigure 5-59 Crystal defective output

5.3 Detailed PSU Check PDP42V7*Figure 5-60 PSU top viewFigure 5-61 PSU Connector I/O pin assignmentFigure 5-62 PSU "on/off" sequence in "Normal" modeFigure 5-63 PSU "on/off" sequence in "Auto" modeFigure 5-64 PSU Fault finding tree5.3.1 No DisplayFigure 5-65 DC-port signal (1M02) protection Figure 5-66 Vs output protectionFigure 5-67 Va output protectionFigure 5-68 5V output circuit protectionFigure 5-69 12V and V_tun circuit protectionFigure 5-70 +18V circuit protectionFigure 5-71 +8V6 circuit protectionFigure 5-72 -18V circuit protectionFigure 5-73 PFC circuit protection

5.4 Defect Description FormFigure 5-74 Defect Description Form (DDF)

6. Block Diagrams, Test Point Overviews, and Waveforms7. Circuit Diagrams and PWB Layouts8. Alignments8.1 General8.2 Alignment PDP42V7* 8.2.1 Connection Diagram and Set-UpFigure 8-1 Measuring equipment connection diagram

8.2.2 Tools8.2.3 AlignmentsFigure 8-2 Y, Z set-up waveformVset-up AlignmentVset-down AlignmentDC/DC Pack Voltage AlignmentVs Alignment on PSUFigure 8-3 Switch setting (Vs alignment step 1)Figure 8-4 Connect Mains (Vs alignment step 2)Figure 8-5 Vs measure and alignment point (step 3 &4)

8.2.4 Internal Test PatternsFigure 8-6 Internal test pattern mode

9. Circuit Descriptions, Abbreviation List, and IC Data Sheets9.1 X Board9.1.1 PurposeFigure 9-1 X boards

9.1.2 DismantlingFigure 9-2 Between CONTROL board and X boardFigure 9-3 TCP Separating

9.2 Z Sustain Board9.2.1 PurposeFigure 9-4 Z Sustain Board

9.2.2 Main Components9.2.3 DismantlingFigure 9-5 FPC Separating

9.3 Y Drive Board9.3.1 PurposeFigure 9-6 Y Drive board

9.4 Y Sustain Board9.4.1 PurposeFigure 9-7 Y Sustain board

9.4.2 Main Components

9.5 Control Board9.5.1 PurposeFigure 9-8 Control board

9.6 DC/DC Converter Part9.6.1 PurposeFigure 9-9 DC/DC Converter block diagramFigure 9-10 DC/DC Converter part

9.7 FPC (Flexible Printed Circuit)9.7.1 PurposeFigure 9-11 Flexible Printed Circuit

9.8 FFC (Flat Flexible Cable)9.8.1 PurposeFigure 9-12 Flat Flexible Cable

9.9 TCP (Tape Carrier Package)9.9.1 PurposeFigure 9-13 Tape Carrier Package

9.10 IPM (Intelligent Power Module)9.10.1 PurposeFigure 9-14 Intelligent Power ModuleFigure 9-15 Sustain pulse (061)

9.10.2 Main Components

9.11 Abbreviation List9.12 IC Data Sheets

10. Spare Parts ListFigure 10-1 Safety component overview (for information purpose only, parts cannot be ordered!)

11. Revision List