Page 1 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. Published by MW 0567 TV Service...
Page 2: Technical Specifications, Connections, And Chassis Overview
EN 2 LGE PDP Technical Specifications, Connections, and Chassis Overview 1. Technical Specifications, Connections, and Chassis Overview Index of this chapter: 1. Model name. 1.1 Technical Specifications PDP42V7* 2. Bar code (Code 128, contains the manufacture no.). 3. Manufacture no. (Module serial no.). 4.
Page 3 6871QLH047D X-L 6871QYH036C Y-SUS Table 1-2 PSU Cable Assies 6871QZH041A Z-SUS No LGE Part No. Description For Philips order codes, refer to "Ch. 10 Spare Parts". 6631Q39032A Cable assy 10p PSU->Y-SUS 6631Q39033A Cable assy 8p PSU->Z-SUS 6631Q39034A Cable assy 4p PSU->Y-SUS Table 1-3 PSU Connectors Input voltage &...
Page 4 EN 4 LGE PDP Technical Specifications, Connections, and Chassis Overview 1.1.4 Chassis Overview VOLTAGE Y-DRIVE Z-SUS B/D Y-SUS Y-DRIVE BOTTOM X-RIGHT B/ D X-LEFT B/D CONTROL B/ D F_15590_040.eps 170605 Figure 1-8 PWB location...
Page 5: Directions For Use
Safety Instructions, Warnings, and Notes LGE PDP EN 5 2. Safety Instructions, Warnings, and Notes Notes: 13. If inserting components or circuit boards in order to repair, • Only authorised persons should perform servicing of this be sure to fix a lead line to the connector before soldering. module.
Page 6: Mechanical Instructions
EN 6 LGE PDP Mechanical Instructions 4. Mechanical Instructions Mechanical Overview PDP42V7* F_15590_060.eps 200605 F_15590_000.eps 010705 Figure 4-1 Cable dressing Y-DRV TOP Information of module Y-SUS Serial No. Position an Information Board P/No. Board Name Serial No. of Assembly Y-DRV BTM CTRL B/D X-R B/D X-L B/D...
Page 7 Warning (Hot Surface, Hot part) Caution (Wound, Mechanical Hazard) Serial No of Frame Ass’y Serial No. of Frame Ass’y for Philips are 3315Q-E037B, 3315Q-E037C and 3315Q-E037F . 2. Safety Approval Label 5. Manufacture Serial No. Label of Module 7.5 cm...
Page 8: Service Modes, Error Codes, And Fault Finding
EN 8 LGE PDP Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: 5.1 Quick Module Check PDP42V7* 5.2 Detailed Module Check PDP42V7* 5.3 Detailed PSU Check PDP42V7* Quick Module Check PDP42V7* What kind of defect? No display? Please follow the “No display”...
Page 9 Service Modes, Error Codes, and Fault Finding LGE PDP EN 9 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. Connectors Confirm all connectors (PSU, Y-SUS, CTRL, Z-SUS).
Page 10 EN 10 LGE PDP Service Modes, Error Codes, and Fault Finding 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.
Page 11 Service Modes, Error Codes, and Fault Finding LGE PDP EN 11 Control Board (see figure “Control b/d trouble shooting”) Y-SUS Board (see figure “Y-SUS b/d trouble shooting“) 1. Check LED status (normal status lightening or not) 1. Check fuse: FS1 (5V), FS2 (Vs). 2.
Page 12 EN 12 LGE PDP Service Modes, Error Codes, and Fault Finding Z-SUS Board 1. Check the fuses. 2. Check input voltages (Va, 5V, and 15V) 3. Check FPC output diode value. Check here 5V FUSE FUSE Va FUSE F_15590_075.eps 070705 Figure 5-12 Z-SUS board fuse check F_15590_079.eps 060705...
Page 13 Service Modes, Error Codes, and Fault Finding LGE PDP EN 13 Control Board The Control board supplies the video signal to the TCP. So, if MCM (Multi Chip Module) there is a bar defect on screen, it may be a Control board problem.
Page 14 EN 14 LGE PDP Service Modes, Error Codes, and Fault Finding Scan IC Check Check diode value of the right side part of the output pin. Disconnected Screen off F_15590_091.eps 290605 F_15590_086.eps 060705 Figure 5-25 Scan IC output diode check Figure 5-22 Check drive connectors 5.1.6 Mis-discharge Defect...
Page 15 Service Modes, Error Codes, and Fault Finding LGE PDP EN 15 Detailed Module Check PDP42V7* 5.2.1 No Display The Screen Does Not Display a Picture 1. Check whether on the CTRL board LED (D1, D2, D3, D4, and D5) is turned "on" or not. 2.
Page 16 EN 16 LGE PDP Service Modes, Error Codes, and Fault Finding 5.2.2 Display Defects – Examine with the naked eye traces of blown ICs [3] or others. All, or Half of the Screen is Not Shown • In case the entire screen is not shown: 1.
Page 17 Service Modes, Error Codes, and Fault Finding LGE PDP EN 17 Unusual screen comes out about 4/14 quantity of screen or 3/14 F_15590_013.eps 040705 Figure 5-36 Case 3 Unusual screen comes out about 1/2 quantity of screen F_15590_018.eps 060605 F_15590_014.eps 040605 Figure 5-41 Scan IC Figure 5-37 Case 4...
Page 18 EN 18 LGE PDP Service Modes, Error Codes, and Fault Finding 5.2.3 Checking for Component Damage It may show several vert. lines in a quarter or other Y IPM (IC 15) or Z IPM (IC 2) division part of screen When the internal Sustain_IGBT or ER_FET of Y IPM (IC15) or including left case Z IPM (IC2) is damaged, VS fuse is open and there will be no...
Page 19 Service Modes, Error Codes, and Fault Finding LGE PDP EN 19 – Wave format: As shown in figure "Y DRV board Top and Bottom cable damaged". 4. Overlap of two horizontal lines on the screen in case of Set_up waveform shorted SCAN IC output.
Page 20 EN 20 LGE PDP Service Modes, Error Codes, and Fault Finding Crystal (CTRL board: X1) 1. When a crystal is damaged, the screen is not shown. – Test Point: Measuring 3-pin of GND-Crystal (CTRL board: X1). – Wave format: Output wave is not generated. 2.
Page 21 040705 Figure 5-60 PSU top view F_15590_098.eps 040705 Figure 5-62 PSU "on/off" sequence in "Normal" mode To Audio To Philips SSB F_15590_097.eps 040705 Figure 5-61 PSU Connector I/O pin assignment F_15590_099.eps 040705 Figure 5-63 PSU "on/off" sequence in "Auto" mode Check LED’s on Power Supply...
Page 22 EN 22 LGE PDP Service Modes, Error Codes, and Fault Finding 5.3.1 No Display 1. Check whether the LED1 of the PSU is turned "on" or not. 2. Check the power and signal cables of the PSU. 3. Check the connection of the X board, Y board, and Z board to the Control board.
Page 23 The defective LCD-panel / PDP needs to be returned in the same packaging as the new part was send. If not the warranty claim will be rejected. Note 2: Please fill out this form completely and correctly, otherwise Euroservice is unable to fulfil the repair request! Owner: PHILIPS CE EUROSERVICE DE10WEG F_15590_115.eps 110705...
Page 24: Block Diagrams, Test Point Overviews, And Waveforms
EN 24 LGE PDP Block Diagrams, Test Point Overviews, and Waveforms 6. Block Diagrams, Test Point Overviews, and Waveforms Not applicable...
Page 25: Circuit Diagrams And Pwb Layouts
Circuit Diagrams and PWB Layouts LGE PDP EN 25 7. Circuit Diagrams and PWB Layouts Not applicable...
Page 26: Alignments
EN 26 LGE PDP Alignments 8. Alignments Index of this chapter: 8.2.2 Tools 8.1 General 8.2 Alignment PDP42V7* 1. Digital oscilloscope: > 200 MHz. 2. DVM (Digital Multimeter): Fluke 87 or similar. 3. Signal generator: VG-825 or similar. General 4. DC power supply or PSU: –...
Page 27 Alignments LGE PDP EN 27 Vs Alignment on PSU This describes the Vs alignment on the PSU: VR501 CN06-Vs 1. Set the switch on the PSU to “AUTO”. 2. Connect Mains/AC Power (from Mains Filter) to the PSU board (CN1308). 3.
Page 28: Circuit Descriptions, Abbreviation List, And Ic Data Sheets
EN 28 LGE PDP Circuit Descriptions, Abbreviation List, and IC Data Sheets 9. Circuit Descriptions, Abbreviation List, and IC Data Sheets Index of this chapter: 9.1 X Board 9.2 Z Sustain Board 9.3 Y Drive Board 9.4 Y Sustain Board 9.5 Control Board 9.6 DC/DC Converter Part 9.7 FPC (Flexible Printed Circuit)
Page 29 Circuit Descriptions, Abbreviation List, and IC Data Sheets LGE PDP EN 29 9.2.2 Main Components Y Sustain Board IPM, FET, DIODE, electrolytic capacitor, and E/R coil. 9.4.1 Purpose 9.2.3 Dismantling Generates SUSTAIN, RESET, and Vsc (SCAN) voltages, and supplies them to the Y DRIVE board. 1.
Page 30 EN 30 LGE PDP Circuit Descriptions, Abbreviation List, and IC Data Sheets 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.
Page 31 Circuit Descriptions, Abbreviation List, and IC Data Sheets LGE PDP EN 31 9.10 IPM (Intelligent Power Module) 9.11 Abbreviation List 9.10.1 Purpose Alternating Current Board Clock signal Attached at Z board and Y board, to make Sustain waveform. CTRL Control (board) Sustainer: supply a square wave to the PDP to make video.
Page 32: Spare Parts List
EN 32 LGE PDP Spare Parts List 10. Spare Parts List • • • • • • • • • • • • • • • • • • • • • • • ” ” • • • • F_15590_039.eps 060605 Figure 10-1 Safety component overview (for information purpose only, parts cannot be ordered!)
Page 33: Revision List
Revision List LGE PDP EN 33 11. Revision List Manual xxxx xxx xxxx.0 • First release.
Page 34 EN 34 LGE PDP Revision List...

Philips PDP42V7 series Service Manual

Quick Links

Troubleshooting

Related Manuals for Philips PDP42V7 series

Summary of Contents for Philips PDP42V7 series

Table of Contents