Philips 21PT5027/94 User Manual

Published by WS 0764 BG CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 17130
©
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
TC8.1A
CA
H_17130_000.eps
240407
Contents Page
1. Technical Specifications, Connections, and Chassis
Overview 2
2. Safety Instructions, Warnings, and Notes 4
3. Directions for Use 5
4. Mechanical Instructions 6
5. Service Modes, Error Codes, and Fault Finding 8
6. Block Diagrams, Test Point Overview, and
Waveforms
Block Diagram Mono Carrier 15
7. Circuit Diagrams and PWB Layouts
Mono Carrier (A) 16 17-18
CRT Panel (B) 19 20
Side AV & I/O Panel (E) 21 21
8. Alignments 23
9. Circuit Descriptions, Abbreviation List, and IC Data
Sheets 28
Abbreviation List 33
10. Spare Parts List 34
11. Revision List 37

Philips 21PT5027/94 Specifications

General

Brand	Philips
Model	21PT5027/94
Category	TV
Language	English

Summary

Technical Specifications, Connections, and Chassis Overview

1.1 Technical Specifications

Safety Instructions, Warnings, and Notes

2.1 Safety Instructions

Guidelines for safe repair procedures, including isolation transformer use and component substitution.

2.3 Warnings

Critical warnings regarding electrostatic discharge (ESD), high voltage, and component handling during repair.

Service Modes, Error Codes, and Fault Finding

5.1 Service Modes

5.3 Fault Finding

Diagnostic flowcharts and procedures for troubleshooting common TV faults.

Block Diagrams, Test Point Overview, and Waveforms

Block Diagram Mono Carrier

Circuit Diagrams and PWB Layouts

Mono Carrier

Circuit diagram and Printed Wiring Board (PWB) layout for the main Mono Carrier assembly.

CRT Panel

Circuit diagram and Printed Wiring Board (PWB) layout for the CRT Panel.

Alignments

8.2 Factory Mode (Service Menu, Service Mode)

Instructions for entering and navigating the Factory Mode (Service Menu) for alignments.

8.3 Alignment procedure

Step-by-step procedures for key alignments such as B+ Voltage, RF AGC, Focus, and White Balance.

Circuit Descriptions, Abbreviation List, and IC Data Sheets

9.2 Chassis Block Diagram

9.3 Brief IC Descriptions