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Color Television
Contents
©
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 WS 0772 BG CD Customer Service
Page
Contents
2
4
5
6
17
18
19
20
21
22
23
Diagram PWB
(B1) 24
45-54
(B2) 25
45-54
(B3) 26
45-54
(B4) 27
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(B5) 28
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(B6) 29
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(B7) 30
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(B8) 31
45-54
(B9) 32
45-54
(B10) 33
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(B11) 34
45-54
(B13) 36
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(B14) 37
45-54
(B16) 38
45-54
(B17) 39
45-54
(B18) 40
45-54
(B19) 41
45-54
(B20) 42
45-54
Printed in the Netherlands
Subject to modification
Chassis
LC4.8L
LA
ME6
ME6
H_16980_000.eps
200207
Page
(B21) 43
45-54
(B23) 44
45-54
56
58
60
61
62
63
64
68- 70
68- 70
68- 70
71
75
81
83
87
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93
EN 3122 785 16980
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Table of Contents
Related Manuals for Philips 42PFL7312/78
Summarization of Contents
Technical Specifications, Connections, and Chassis Overview
Technical Specifications
Detailed technical specifications including display, resolution, sound, and power.
Connection Overview
Details on rear and side input/output connections and their pin assignments.
Chassis Overview
Overview of the main chassis components and their physical locations.
Safety Instructions, Warnings, and Notes
Safety Instructions
Safety regulations and precautions to follow during set repair.
Warnings
Warnings regarding ESD, high voltage, and component handling.
Notes
Notes on schematic symbols, component values, and soldering.
Mechanical Instructions
Cable Dressing
Instructions on routing and dressing internal cables for proper assembly.
Service Positions
Methods and accessories to position the TV for easy servicing.
Assy/Panel Removal
Step-by-step guide for removing the rear cover and various panels.
Set Re-assembly
Guidelines for re-assembling the set after repairs.
Service Modes, Error Codes, and Fault Finding
Test Points
Overview of test points and methods for measuring signals.
Service Modes
Explanation and access methods for Service Default Mode (SDM) and SAM.
Service Tools
Information on ComPair and LVDS tools for diagnosis.
Error Codes
Information on reading and clearing error codes.
The Blinking LED Procedure
Procedure to view error codes using the front LED.
Fault Finding and Repair Tips
Tips for fault finding, NVM editor usage, and troubleshooting common issues.
Block Diagrams, Test Point Overviews, and Waveforms
Wiring Diagram 32"
Wiring diagram for the 32" LCD TV model.
Wiring Diagram 37" & 42"
Wiring diagram for the 37" and 42" LCD TV models.
Block Diagram Video
Block diagram illustrating the video signal path and processing.
Block Diagram Audio & Control
Block diagram showing audio processing and control signal flow.
Test Point Overview SSB (Top Side)
Layout showing test points on the SSB's top side.
I2C Overview
Diagram illustrating the I2C communication paths between ICs.
Supply Voltage Overview
Overview of supply voltages distributed across the chassis.
Circuit Diagrams and PWB Layouts
SSB: Tuner and IF
Circuit diagram for the Tuner and IF section.
SSB: Hercules
Circuit diagram for the Hercules microprocessor IC.
SSB: Audio Processing
Circuit diagram for the Audio Processing section.
SSB: DC-DC Converter
Circuit diagram for the DC-DC converter power supply.
SSB: Scaler
Circuit diagram for the Scaler IC.
SSB: HDMI
Circuit diagram for the HDMI input interface.
SSB: Digital I/O
Circuit diagram for the Digital I/O ports.
SSB: Columbus
Circuit diagram for the Columbus comb filter and noise reduction IC.
Layout SSB (Top Side Overview)
Top-side PWB layout overview of the SSB.
Class D Audio Amplifier (32")
Circuit diagram for the Class D Audio Amplifier (32" model).
Side I/O Panel (32")
Circuit diagram for the Side I/O Panel (32" model).
Keyboard Control Board (32")
Circuit diagram for the Keyboard Control Board (32" model).
IR/LED Panel (32" & 37")
Circuit diagram for the IR/LED Panel (32"/37" models).
SA1 CONNECTIONS
Connection details for the Standby/Audio Panel SA1.
SA2 STANDBY
Circuit diagram for the SA2 Standby Panel.
SA3 AUDIO
Circuit diagram for the SA3 Audio Panel.
Alignments
General Alignment Conditions
Conditions and precautions for performing electrical adjustments.
Hardware Alignments
Notes that no hardware alignments are foreseen for this chassis.
Software Alignments
Overview of software alignments for Tuner, White Tone, and Audio.
SAM Menu
Details on navigating the SAM menu for software adjustments.
Tuner
Alignment procedure for the tuner to maintain constant output signal.
White Tone
Procedure for aligning white tone and color temperature settings.
Audio
Notes that no audio adjustments are necessary.
ADC Gain and Grey Scale Alignment
Settings for ADC gain and grey scale alignment using NVM Editor.
Options
How to change option bytes and features via SAM.
Circuit Descriptions, Abbreviation List, and IC Data Sheets
Introduction
Introduction to the LC4.8 LCD TV chassis and its architecture.
Block Diagram
Block diagram of the Pixel Plus and Digital Crystal Clear architectures.
Input/Output
Description of rear and side input/output ports.
Tuner and IF
Description of tuner and IF signal processing.
Video: TV Part (Diagrams B1, B2, and B3)
Description of video processing handled by the Hercules IC.
Columbus
Description of the Columbus 2D/3D Comb filter and noise reduction.
Video: Scaler Part (Diagram B7, B8 and B9)
Description of the Genesis Scaler IC functions and inputs.
Audio Processing
Description of the audio decoding and processing by the Hercules.
Control
Description of micro-controllers (Hercules) and their functions.
Abbreviation List
List of abbreviations used in the manual with their meanings.
IC Data Sheets
Internal block diagrams and pin configurations for key ICs.
Spare Parts List
Spare Parts List
List of spare parts applicable to the chassis.
Diversity Table SSB
Table indicating SSB component variations across different models.
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