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Philips BJ3.1E LA User Manual

Philips BJ3.1E LA
208 pages
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Published by WS 0763 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16851
©
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.
Colour Television Chassis
BJ3.1E
LA
G_16850_000.eps
110107
ME7
ME7
Contents Page Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 6
3. Directions for Use 7
4. Mechanical Instructions 8
5. Service Modes, Error Codes, and Fault Finding 16
6. Block Diagrams, Test Point Overviews, and
Waveforms
Wiring Diagram 32” ME7 45
Block Diagram Supply 32” 48
Block Diagram Video 51
Block Diagram Audio 52
Block Diagram Control & Clock Signals 53
Test Points SSB Top and Bottom Side 54-59
I2C Overview 60
Supply Lines Overview 61
7. Circuit Diagrams and PWB Layouts Drawing PWB
Supply 32”: Filter & Stby (A1) 62 65-68
Supply 32”: Supply (A2) 63 65-68
Supply 32”: Connections (A3) 64 65-68
Display Supply 37”: Part 1 (A1) 69 74-79
Display Supply 37”: Part 2 (A2) 70 74-79
Platform Supply 37”: Auxiliary Supply (A3) 71 74-79
Platform Supply 37”: Standby Supply (A4) 72 74-79
Platform Supply 37”: 25W Supply (A5) 73 74-79
Supply 42”: Mains Filter & Stby A (A1) 80 84-89
Supply 42”: Part A (A2) 81 84-89
Supply 42”: Mains Filter & Stby B (A3) 82 84-89
Supply 42”: Part B (A4) 83 84-89
SSB: DC / DC (B1-B12) 90-130 131-136
Externals: A (BE1) 137 140
Externals: B (BE2) 138 140
Externals: C (BE3) 139 140
Audio Panel (37”): Left / Right (C1) 141 143
Audio Panel (37”): Protection & Mute Ctrl (C2) 142 143
Side I/O Panel (D) 144 145
Keyboard Control Panel (E) 146 147
Front IR / LED Panel (J) 148 149
Standby & Audio Panel (32”): Connections(SA1) 150 155-157
Standby & Audio Panel (32”): Standby (SA2) 151 155-157
Standby & Audio Panel (32”): Supply (SA3) 152 155-157
Standby & Audio Panel (32”): Audio (SA4) 153 155-157
Standby & Audio Panel (32”): Prot. / Mute (SA5) 154 155-157
Standby & Audio Panel (42”): Connections(SA1) 158 161-163
Standby & Audio Panel (42”): Standby (SA2) 159 161-163
Standby & Audio Panel (42”): Audio (SA3) 160 161-163
8. Alignments 165
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 171
Abbreviation List 175
IC Data Sheets 178
10. Spare Parts List 190
11. Revision List 208

Table of Contents

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Philips BJ3.1E LA Specifications

General IconGeneral
Screen Size32 inches
Display TechnologyLED
Refresh Rate60 Hz
Smart TVNo
HDMI Ports2
USB Ports1
Resolution1366 x 768 pixels

Summary

1. Technical Specifications, Connections, and Chassis Overview

1.3 Chassis Overview

Diagram showing the locations of various Printed Wiring Boards (PWBs) or Circuit Board Assemblies (CBAs) in 32-inch models.

2. Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Guidelines for safe repair practices, including using isolation transformers and replacing safety components.

2.2 Warnings

Warnings about susceptibility to ESD and hazards associated with high voltage sections during measurements.

4. Mechanical Instructions

4.3 Assy/Panel Removal

Step-by-step instructions for removing the rear cover, including safety warnings.

4.4 Set Re-assembly

Instructions for re-assembling the set by reversing the disassembly process, with notes on cable dressing and EMC foams.

5. Service Modes, Error Codes, and Fault Finding

5.2 Service Modes

Overview of service modes offering features for technicians and customer communication.

5.4 Service Tools

Introduction to ComPair, a service tool for diagnostics and software upgrades, including connection details.

5.5 Error Codes

Details on how error codes are logged, their types (Stand-by, VIPER), and how to read the error buffer.

5.6 The Blinking LED Procedure

Methods to activate the blinking LED procedure to read error codes, useful when there is no picture.

5.7 Protections

Explanation of software-related protections, including those related to supplies and safety check mechanisms.

5.8 Fault Finding and Repair Tips

A flowchart to guide the service technician in diagnosing and troubleshooting common TV faults.

5.9 Software Upgrading

Instructions for upgrading the main software via USB, including automatic and manual methods.

6. Block Diagrams, Test Point Overviews, and Waveforms

Wiring Diagram 32” ME7

Schematic diagram illustrating the wiring for the 32-inch ME7 model.

Wiring Diagram 37” ME7

Schematic diagram illustrating the wiring for the 37-inch ME7 model.

Wiring Diagram 42” ME7

Schematic diagram illustrating the wiring for the 42-inch ME7 model.

Block Diagram Supply 32”

Block diagram of the power supply system for 32-inch models, detailing components and connections.

Block Diagram Supply 37”

Block diagram of the power supply system for 37-inch models, detailing components and connections.

Block Diagram Supply 42”

Block diagram of the power supply system for 42-inch models, detailing components and connections.

Block Diagram Video

Block diagram illustrating the video signal processing path within the chassis.

Block Diagram Audio

Block diagram showing the audio signal processing path, including amplifier and control circuits.

Block Diagram Control & Clock Signals

Diagram illustrating the control signals and clock distribution throughout the TV chassis.

7. Circuit Diagrams and PWB Layouts

Supply 32”: Filter & Stby

Circuit diagram for the 32-inch TV's mains filter and standby power supply section.

Supply 32”: Supply

Circuit diagram for the main 32-inch TV supply section, detailing various voltage outputs and controls.

Supply 32”: Connections

Diagram showing the pin connections for the 32-inch TV's supply board to other parts of the TV.

Display Supply 37”: Part 1

Circuit diagram for the 37-inch display supply, Part 1.

Display Supply 37”: Part 2

Circuit diagram for the 37-inch display supply, Part 2.

Platform Supply 37”: Auxiliary Supply

Circuit diagram for the 37-inch platform auxiliary supply.

Platform Supply 37”: Standby Supply

Circuit diagram for the 37-inch platform standby supply.

Platform Supply 37”: 25W Supply

Circuit diagram for the 37-inch platform 25W supply.

Supply 42”: Mains Filter & Stby A

Circuit diagram for the 42-inch TV's mains filter and standby power supply section A.

Supply 42”: Part A

Circuit diagram for the main 42-inch TV supply section A.

8. Alignments

8.1 General Alignment Conditions

General conditions required for performing all electrical adjustments on the TV chassis.

8.3 Software Alignments

Procedures for performing software alignments using the Service Alignment Mode (SAM) menu.

10. Spare Parts List

Set Level per Model Number (CTN)

List of spare parts categorized by model number (CTN) for different TV series.

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