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Philips 32PFL7423D/12 User Manual

Philips 32PFL7423D/12
152 pages
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Published by TY 0962 BU TV Consumer Care Printed in the Netherlands Subject to modification EN 3122 785 17963
©
Copyright 2009 Royal 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.
Colour Television Chassis
Q528.2E
LB
ME8+
ME8+
I_17652_000.eps
071108
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 7
3. Directions for Use 8
4. Mechanical Instructions 9
5. Service Modes, Error Codes, and Fault Finding 21
6. Block Diagrams, Test Point Overview, and
Waveforms
Wiring Diagram 32" (ME8) 43
Wiring Diagram 42" (ME8) 44
Wiring Diagram 47" (ME8) 45
Block Diagram Video 46
Block Diagram Audio 47
Block Diagram Control & Clock Signals 48
SSB: Test Points (Top Side) 49
SSB: Test Points (Bottom Side) 50
I2C IC Overview 51
Supply Lines Overview 52
7. Circuit Diagrams and PWB Layouts Drawing PWB
Display Supply (32"): Part 1 (A1) 53 55-56
Display Supply (32"): Part 2 (A2) 54 55-56
LCD Supply (37 & 42"): Part 1 (A1) 57 59-60
LCD Supply (37 & 42"): Part 2 (A2) 58 59-60
Small Signal Board (B02-B10) 61 109-118
SSB: SRP List Explanation 106
SSB: SRP List Part 1 107
SSB: SRP List Part 2 108
Keyboard Control Panel (E) 119 119
IR & LED Panel (J) 120 121
Light Guide Panel (32") (LG) 122 123
Light Guide Panel (47" & 52") (LG) 124 125
8. Alignments 127
9. IC Data Sheets 140
10. Spare Parts List 152
11. Revision List 152

Table of Contents

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Philips 32PFL7423D/12 Specifications

General IconGeneral
BrandPhilips
Model32PFL7423D/12
CategoryTV
LanguageEnglish

Summary

Technical Specifications, Connections, and Chassis Overview

1.1 Technical Specifications

Details technical specifications of the TV, including vision, sound, and multimedia.

1.2 Connections

Describes all external connections for the TV, including side and rear ports.

Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Outlines essential safety rules and precautions for servicing the TV.

2.2 Warnings

Provides critical warnings regarding ESD, high voltage, and component handling.

Mechanical Instructions

4.3 Assy/Panel Removal ME8(+) Styling

Provides step-by-step instructions for removing the rear cover of the set.

Service Modes, Error Codes, and Fault Finding

5.2 Service Modes

Explains the purpose and navigation of Service Default Mode (SDM) and Service Alignment Mode (SAM).

5.2.1 Service Default Mode (SDM)

Details the purpose and activation of Service Default Mode for consistent measurements.

5.2.2 Service Alignment Mode (SAM)

Explains the purpose and features of Service Alignment Mode for alignments and settings.

5.5 Error Codes

Explains the error code buffer, how errors are detected and logged.

5.5.2 How to Read the Error Buffer

Details methods for reading error codes from the buffer via SAM, LED, or ComPair.

5.5.4 Error Buffer

Discusses the error buffer content and how to interpret it for fault finding.

5.6 The Blinking LED Procedure

Explains how to use the front LED to display error codes and protections.

5.7 Protections

Describes software and hardware protections that can cause the TV to shut down or enter protection mode.

5.8 Fault Finding and Repair Tips

General tips for fault finding and repair.

5.8.3 DC/DC Converter

Details fault finding for DC/DC converters, including symptoms and checks.

5.8.5 SSB Replacement

Provides a flowchart for exchanging the SSB board, including software and option code programming.

5.9 Software Upgrading

Details the process of upgrading main and standby software via USB or PC.

Block Diagrams, Test Point Overview, and Waveforms

Wiring Diagram 32" (ME8)

Provides a wiring diagram for the 32" ME8 model, showing connections between main components.

Block Diagram Video

Shows a block diagram illustrating the video signal path and processing within the TV.

Block Diagram Audio

Illustrates the audio signal path and processing within the TV.

SSB: Test Points (Top Side)

Provides a layout of test points on the top side of the Small Signal Board (SSB).

SSB: Test Points (Bottom Side)

Lists and locates test points on the bottom side of the Small Signal Board (SSB).

Supply Lines Overview

Provides an overview of all supply lines and their distribution to various boards and ICs.

Circuit Diagrams and PWB Layouts

Display Supply (32"): Part 1

Presents the circuit diagram for the 32" display supply, part 1.

Display Supply (32"): Part 2

Presents the circuit diagram for the 32" display supply, part 2.

LCD Supply (37 & 42"): Part 1

Presents the circuit diagram for the 37" & 42" LCD supply, part 1.

LCD Supply (37 & 42"): Part 2

Presents the circuit diagram for the 37" & 42" LCD supply, part 2.

SSB: DC / DC Converters

Circuit diagrams for DC/DC converters, detailing voltage conversions for various supplies.

Alignments

8.3 Software Alignments

Explains how to perform software alignments, specifically White Point adjustment.

8.4 Option Settings

Explains how option codes manage specific features and ICs within the set.

8.4.4 Opt. No. (Option numbers)

Explains how to set option numbers directly to configure hardware and software features.

8.5 Reset of Repaired SSB

Details the crucial step of resetting the NVM on a repaired SSB using ComPair.

Spare Parts List

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