Philips LC420WUF Service Manual
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Philips LC420WUF Service Manual

Philips LC420WUF Service Manual

Colour television
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Colour Television

©
Copyright 2008 Koninklijke Philips Electronics N.V.
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 0868 BU TV Consumer Care
LPL (
LG Philips LCD
Contents
Waveforms
Printed in the Netherlands
LC320WXD, LC320WXN
LC370WUF, LC370WXE
LC420WUE, LC420WUF, LC420WXE
LC470WUE, LC470WUF
Page
2
4
5
6
20
20
20
20
20
20
Subject to modification
Module
) LCD 2k8
EN 3122 785 17782

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  • Page 1: Table Of Contents

    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 0868 BU TV Consumer Care...

  • Page 2: Technical Specifications, Connections, And Chassis Overview

    Board Level Repair (= board swap) scenario on LCD panels. These LCD repair manuals are created per brand, and they will contain all necessary information for the different panels used in Philips flat LCD TVs. General Inverter Number of order progress.

  • Page 3: Specifications

    Suffix 2 : Internal control No - Change sub- parts or process & Only a few change spec. I_16892_017.eps 310708 Figure 1-2 LPL model numbering Specifications Below find attached the data sheets of the different LCD panels. Click on the “model number” to open. • LC320WXD-SAB1 • LC320WXN-SAB1 • LC370WUF-SAB1 • LC370WXE-SAA1 •...

  • Page 4: Safety Instructions, Warnings, And Notes

    EN 4 LCD LPL 2k8 Safety Instructions, Warnings, and Notes 2. Safety Instructions, Warnings, and Notes Index of this chapter: • This product contains glass. If shock, vibration, heat or 2.1 General distortion is applied to the product, the glass may be 2.2 Safety Precautions broken.

  • Page 5: Directions For Use

    Directions for Use LCD LPL 2k8 EN 5 • Do not touch TCP area: Do not touch TCP area at any • Never (dis)connect at power “ON”: The LCD Module case. It can cause Driver IC cracks, film cracks, etc. The consists of CMOS components, which are known as weak TCP is the weakest point of the LCD Module.

  • Page 6: Mechanical Instructions

    LCD LPL 2k8 Mechanical Instructions 4. Mechanical Instructions Index of this chapter: 4.1.3 Foam Bars 4.1 General 4.2 Model LC320WXD 4.3 Model LC320WXN 4.4 Model LC370WUF 4.5 Model LC370WXE 4.6 Model LC420WUE 4.7 Model LC420WUF 4.8 Model LC420WXE 4.9 Model LC470WUE 4.10 Model LC470WUF...
  • Page 7 Mechanical Instructions LCD LPL 2k8 EN 7 Model LC320WXD 4.2.1 Control Board (T-CON Board) MODEL: LC320WXD-SAB1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the FFC(60pin). Separate the T-CON Board. Replace of T-CON Board and Assemble the FFC(60pin).
  • Page 8 EN 8 LCD LPL 2k8 Mechanical Instructions 4.2.2 Inverter (Master) Board MODEL: LC320WXD-SAB1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Unlock of Connector and Separate the Inverter. sperate the Wire Connector(2pin). Attach the Cover Shield and Assemble the Wire Connector(2pin).
  • Page 9 Mechanical Instructions LCD LPL 2k8 EN 9 Model LC320WXN 4.3.1 Control Board (T-CON Board) MODEL: LC320WXN-SAA1 Prepare the LCM. Separate the Screw(2EA) Separate the Cover Shield Separate the FFC(60pin). Separate the T-CON Board. Replace of T-CON Board and Assemble the FFC(60pin). * Guide Pin station keeping check.
  • Page 10 EN 10 LCD LPL 2k8 Mechanical Instructions 4.3.2 Inverter (Master) Board MODEL: LC320WXN-SAA1 Prepare the LCM. Separate the Screw(3EA) Unlock of Connector and sperate the Wire Connector(2pin). Separate the Inverter. Assemble the Wire Connector(2pin). Attach the Cover Shield and Assemble the Screw(3EA). I_17780_002.eps 160408 Figure 4-6 Replacement instructions Inverter (master) board...
  • Page 11 Mechanical Instructions LCD LPL 2k8 EN 11 Model LC370WUF 4.4.1 Control Board (T-CON Board) MODEL: LC370WUF-SAB1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 96pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 96pin FFC. * Guide Pin station keeping check.
  • Page 12 EN 12 LCD LPL 2k8 Mechanical Instructions Model LC370WXE 4.5.1 Control Board (T-CON Board) MODEL: LC370WXE-SAA1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 60pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 60pin FFC. * Guide Pin station keeping check.
  • Page 13 Mechanical Instructions LCD LPL 2k8 EN 13 Model LC420WUE 4.6.1 Control Board (T-CON Board) MODEL: LC420WUE-SAB1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 60pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 60pin FFC. * Guide Pin station keeping check.
  • Page 14 EN 14 LCD LPL 2k8 Mechanical Instructions Model LC420WUF 4.7.1 Control Board (T-CON Board) MODEL: LC420WUF-SAC1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 96pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 96pin FFC. * Guide Pin station keeping check.
  • Page 15 Mechanical Instructions LCD LPL 2k8 EN 15 Model LC420WXE 4.8.1 Control Board (T-CON Board) MODEL: LC420WXE-SAA1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 60pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 60pin FFC. * Guide Pin station keeping check.
  • Page 16 EN 16 LCD LPL 2k8 Mechanical Instructions Model LC470WUE 4.9.1 Control Board (T-CON Board) MODEL: LC470WUE-SAB1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 96pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 96pin FFC. * Guide Pin station keeping check.
  • Page 17 Mechanical Instructions LCD LPL 2k8 EN 17 4.10 Model LC470WUF 4.10.1 Control Board (T-CON Board) MODEL: LC470WUF-SAC1 Prepare the LCM. Separate the Screw(3EA) Separate the Cover Shield Separate the 96pin FFC. Separate the T-CON Board. Replace of T-CON Board and Assemble the 96pin FFC.

  • Page 18: Service Modes, Error Codes, And Fault Finding

    EN 18 LCD LPL 2k8 Service Modes, Error Codes, and Fault Finding 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: 5.1 Service Modes 5.2 Error Codes 5.3 Fault Finding Service Modes Not applicable. Error Codes Not applicable. Fault Finding - Exchange Control Board : Case.1 ~ Case14 - Exchange Inverter : Case.15 ~ Case18...
  • Page 19 Service Modes, Error Codes, and Fault Finding LCD LPL 2k8 EN 19 - Unrepairable : Case.19~ Case24 Case 19 Panel Mura CELL Defect Case 20 Panel Mura CELL Defect Case 21 Panel Mura Press damage Case 22 Crosstalk CELL Defect Case 23 Crosstalk CELL Defect...

  • Page 20: Block Diagrams, Test Point Overviews, And

    Integrated Circuit Red, Green, Blue colour space Tape Carrier Package IC Data Sheets Not applicable 10. Spare Parts List For the latest spare part overviwe, please consult the Philips Service website. 11. Revision List Manual xxxx xxx xxxx.0 • First release.

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