Philips L01.1A User Manual

Published by RB 0167 Service PaCE Printed in the Netherlands Subject to modification  3122 785 11120
©
Copyright 2001 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
L01.1A
AA
CL 16532008_066.eps
150601
(LARGE SCREEN)
Contents Page Contents Page
1. Technical Specifications, Connections and
Chassis Overview 2
2. Safety & Maintenance Instructions, Warnings
and Notes 4
3. Directions for Use 5
4. Mechanical Instructions 19
5. Service Modes, Error Codes and Faultfinding 21
6. Block Diagram, Testpoints, I
2
C And Supply
Voltage Overview
Block Diagram 27
Testpoint Overview 28
I
2
C And Supply Voltage Overview 29
7. Electrical Diagrams and PWB’s Diagram PWB
Power Supply (Diagram A1) 30 44-49
Line Deflection (Diagram A2) 31 44-49
Frame Deflection (Diagram A3) 32 44-49
Tuner IF (Diagram A4) 33 44-49
Video IF and Sound IF (Diagram A5) 34 44-49
Synchronization (Diagram A6) 35 44-49
Control (Diagram A7) 36 44-49
Audio Amplifier (Diagram A8) 37 44-49
NICAM (Stereo/SAP) Decoder (Diagram A9) 38 44-49
Audio/Video Source Switching (Diagram A10) 39 44-49
Front I/O + Control, Headphone(Diagram A12) 40 44-49
Rear I/O Cinch (Diagram A13) 41 44-49
Tilt and Rotation (Diagram A15) 42 44-49
PIP Interface (Diagram A16) 43 44-49
CRT (Diagram B1) 50 52
SCAVEM (Diagram B2) 51 52
Side AV and Headphone (Diagram E) 53 53
Side AV and Headphone (Diagram E1) 54 54
PIP Panel (Diagram P) 55 56-57
Top Control (RF) (Diagram T) 58 58
Top Control (FSQ) (Diagram T1) 59 59
Diversity Tables 60-65
8. Alignments 66
9. Circuit Description 74
List of Abbreviations 83
10 Spare Parts List 85

Philips L01.1A Specifications

General

Brand	Philips
Model	L01.1A
Category	Chassis
Language	English

Summary

Technical Specifications, Connections and Chassis Overview

Technical Specifications

Details about reception, tuning systems, colour systems, sound systems, and miscellaneous specs.

Connections

Describes front and side connections, including diagrams.

Safety & Maintenance Instructions, Warnings, and Notes

Safety Instructions For Repairs

Crucial safety procedures and precautions for performing repairs safely.

Maintenance Instructions

Guidelines and recommended intervals for TV set maintenance.

Warnings

Critical warnings related to high voltage, ESD, and handling components.

Directions for Use

Connecting Audio/Video Sockets

Remote Control Operation

How to use the remote control for TV functions.

TV Controls Operation

AUTOMATIC TUNING OF CHANNELS

MANUAL TUNING OF CHANNELS

SELECTING THE COLOUR/SOUND SYSTEM

FINE TUNING OF CHANNELS

ADJUSTING THE TV PICTURE

ADJUSTING THE TV SOUND

ACTIVATING THE CHILD LOCK (ACCESS CODE)

ACTIVATING THE CHILD LOCK (LOCK CHANNEL)

SMART PICTURE CONTROL

SMART SOUND CONTROL

SPECIFICATIONS

Mechanical Instructions

Rear Cover Removal

Step-by-step guide for removing the rear cover of the TV set.

Service Position Main Panel

Instructions for positioning the main panel for service access.

Rear Cover Mounting

Service Modes, Error Codes and Fault Finding

Test Points

Overview of test points on the circuit board assemblies for diagnostics.

Service Modes

Introduction to Service Default Mode (SDM) and Service Alignment Mode (SAM).

Service Default Mode (SDM)

Purpose, specifications, and how to enter SDM for predefined settings.

Service Alignment Mode (SAM)

Customer Service Mode (CSM)

Problems and Solving Tips (Related to CSM)

Sound Problems

ComPair

Error Buffer

How to Read the Error Buffer

The Blinking LED Procedure

Protections

Repair Tips

Alignments

General Alignment Conditions

Essential conditions and procedures for performing all electrical adjustments.

Hardware Alignments

Specific hardware adjustments like Vg2 and Focusing.

Vg2 Adjustment

Procedure for adjusting the Vg2 voltage for proper screen brightness control.

Focusing

Steps for adjusting the focus potentiometer for sharp picture display.

Software Alignments and Settings

Options

Tuner

White Tone

Geometry

Circuit Description

Deflection

Horizontal Drive

Vertical Drive

Deflection Corrections

Details on linearity, S-correction, and East/West corrections.

Power Supply

Basic IC Functionality

Control

Power Supply Control

Protection Events

Protection mechanisms controlled by the UOC for various faults.

Block Diagram, Testpoints, I2C And Supply Voltage Overview

Block Diagram

Testpoint Overview

I2C And Supply Voltage Diagram

CRT Panel

B1 CRT PANEL

Schematic diagram for the CRT panel, including socket connections and driver circuits.

B2 CRT PANEL

Schematic diagram for the CRT panel, focusing on deflection and SCAVEM circuits.