Philips V315B1-L05, V320B1-L05 Service Manual

Colour Television Module

CMO (CHI MEI OPT.) LCD 2k7

V315B1-L05 V320B1-L05

Contents Page

1. Technical Specifications, Connections, and Chassis Overview 2

2. Safety Instructions, Warnings, and Notes 3

3. Directions for Use 4

4. Mechanical Instructions 5

5. Service Modes, Error Codes, and Fault Finding 8

6. Block Diagrams, Test Point Overviews, and Waveforms 9

7. Circuit Diagrams and PWB Layouts 9

8. Alignments 9

9. Circuit Descriptions, Abbreviation List, and IC Data Sheets 9

10. Spare Parts List 9

11. Revision List 9

Copyright 2007 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.

Published by MW 0767 BU CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16920

EN 2 LCD CMO 2K71.

Technical Specifications, Connections, and Chassis Overview

1. Technical Specifications, Connections, and Chassis Overview

Index of this chapter:

1.1 Introduction

1.2 General

1.3 Specifications

Note:

• Specifications are indicative (subject to change).

1.1 Introduction

In this Service Manual you will find all necessary information to perform the Board Level Repair (= board swap) scenario on LCD panels. The LCD repair manuals are created per brand, and they will contain all necessary information for the different panels used in Philips flat LCD TVs.

1.2 General

CHI MEI

OPTOELECTRONICS

(a) Model Name: V320B1-L05

(b) Revision: Rev. XX, for example: A0, A1… B1, B2… or C1, C2…etc.

Serial ID includes the information as below:

(a) Manufactured Date: Year: 0~9, for 2000~2009

Day: 1~9, A~Y, for 1

(b) Revision Code: Cover all the change

(d) Product Line: 1 -> Line1, 2 -> Line 2, …etc.

V320B1 -L05 Rev. XX

X X X X X X X Y M D L N N N N

Month: 1~9, A~C, for Jan. ~ Dec.

to 31st, exclude I ,O, and U.

Figure 1-1 CMO module label

E207943

MADE IN TAIWAN

Serial No.

Product Line

Year, Month, Date

CMO Internal Use

Revision

CMO Internal Use

H_16920_023.eps

200407

1.3 Specifications

Below find attached the data sheets of the different LCD panels. Click on the “model number” to open.

• Model V315B1-L05

• Model V320B1-L05

Safety Instructions, Warnings, and Notes

2. Safety Instructions, Warnings, and Notes

EN 3LCD CMO 2K7 2.

Index of this chapter:

2.1 General

2.2 Safety Precautions

2.3 Servicing Precautions

2.1 General

Notes:

• Only authorised persons should perform servicing of this module.

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

2.2 Safety Precautions

2.2.1 Warning

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

• 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.

• 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.

• 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.

• 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.

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

• 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.

• The LCD Backlight Inverter unit uses a high voltage for the lamps. Keep the cautions concerning electric shock and do not touch the device circuitry handling the inverter 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 discharge the device circuitry.

2.2.2 Caution

• Do not place this product in a location that is subject to heavy vibration, or an unstable surface such as an inclined surface. The product may fall off or fall over, causing injuries.

• Before disconnecting cable from the product, be sure to turn off the power. Be sure to hold the connector when disconnecting cables. Pulling a cable with excessive force may cause the core of the cable to be exposed or break the cable, and this can lead to fire or electric shock.

• This product contains glass. If shock, vibration, heat or distortion is applied to the product, the glass may be broken.

• If glass surface of the display breaks or is scratched, do not touched the broken pieces or the scratched with bare hands. You may be injured.

• LCD Module requires to be handled with special care. LCD Module is not to be touched with metal or hard materials. Must not be stressed by heat or mechanical impact.

• There are some particular components on the rear panel of this product. Skin contact with these components may cause an electric shock. So, handle with care.

• While moving the product, be sure to turn off the power, disconnect all cables and watch your step. Dropping the product may cause injuries from electric shock. So, while moving the product handle with care.

• When cleaning the panel is necessary, wipe it with a soft and moistened cloth a neural detergent. Caution on connector area. Do not use chemicals such as thinner or benzene.

• LCD Module emits heat from the Lamp, Backlight lamp, and component parts. Therefore, the environmental temperature must not exceed 50 deg. C. LCD Module Backlight Inverter system is driven by high voltage, so it must avoid conductive materials.

• If repairing components with a lead line, high voltage or high temperature components must be put out from a lead line and fix.

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

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

• Do not cover or wrap with any covering materials while power is applied to the product.

• This product is made from various materials such as glass, metal, and plastic. When discarding it, be sure to contact a purchase place.

• If a discrepancy occurs due to any arbitrary modification or disassembly, supplier is not responsible for function, quality or other items.

• Within the warranty period, general faults may be charged for depending on responsibility for the faults. You handle with care

2.3 Servicing Precautions

A colour TFT LCD Module can easily be damaged by both electrical and mechanical stresses. Users therefore, are requested to follow the “Servicing precautions of colour TFT LCD Module” on the following.

2.3.1 System Assembler

• Follow the power sequence: An abnormal power sequence may cause critical malfunction or electrical damage.

• Prevent physical stress.

• Prevent overheat: – High temperatures on the surface of the screen may

cause poor quality. Please use the LCD Module on the specified temperatures.

– Low temperatures (under 10 deg. C) makes the LCD

Module respond slowly, make the Backlight worse operated, and will shorten very much the lifetime accordingly.

• Keep LCD Module dust-free: The LCD Module is sensitive against dust; it can cause visual or functional problems.

+ 6 hidden pages