Philips MCD139B/12 User Manual

MCD139/37/79/HTM139/55/78
MCD139B/37/12/05/58/79/55/98/MME239/37
©
Copyright 2008 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 SL 0830 Service Audio Printed in The Netherlands Subject to modification
DVD Micro Theatre
Version 1.8
CLASS 1
LASER PRODUCT
© 3141 785 31118
TABLE OF CONTENTS
Page
Location of PC Boards & Versions Variation ........................1-2
3-1.......................................................................snoitac ificepS
Measurement Setup .............................................................1-4
Service Aids, Safety Instruction, etc .....................................1-5
Connections & Functional Overview.........................1-9 to 1-12
Troubleshooting ......................................................1-13 to 1-14
Repair Instructions...................................................................2
Disassembly Instructions & Service positions .........................3
Set Block Diagram ................................................................4-1
Set Wiring Diagram ..............................................................4-2
Key & VFD Board ....................................................................5
Main Board ..............................................................................6
7........................................................................draoBre ifilpmA
Power Board
............................................................................8
Tuner Board .............................................................................9
Mechanical Exploded View & Parts List ................................10
Revision List .......................................................................... 11
VIDEO CD
CD Playability Check ...................................................1-6 to 1-8

Philips MCD139B/12 Specifications

General

Brand	Philips
Model	MCD139B/12
Category	Home Theater System
Language	English

Summary

Location of PC Boards and Version Variations

Version Variations

Details specific model variations and feature differences.

Service Aids and Safety Information

Important Warnings

Important warnings regarding ESD and handling.

CD Playability Checks and Procedures

CD Playability Troubleshooting Flow

Initial diagnostic flow for CD issues.

Standard CD Repair Procedure

Steps for diagnosing and repairing CD playback issues.

CD Playability Testing Methods

Specific tests and criteria for CD disc playability.

Optical Lens Cleaning Procedures

Methods for cleaning the optical lens.

CD Drive Signal Measurements

Measurement techniques for CD drive signal integrity.

Connections and Functional Overview

Connecting Speakers and Subwoofer

Guides for connecting speakers and subwoofer.

Connecting TV Set Options

Various video connection options for TV.

Troubleshooting Common Issues

Troubleshooting Table

Common issues and their solutions.

Power and Picture Problems

Troubleshooting for no power, no picture, and distorted picture.

Sound and Playback Issues

Troubleshooting for sound problems and playback failures.

Remote Control and Audio Hum

Troubleshooting for remote control and audio hum issues.

Repair Instructions

Main Unit Repair Chart

Flowchart for diagnosing main unit faults.

Block Diagrams

DVD Main Board Block Diagram

Block diagram of the DVD main board.

SW Power Board Block Diagram

Block diagram of the switched power board.

Power Amp Board Block Diagram

Block diagram of the power amplifier board.

Block Diagrams for Specific Models

Block Diagram for /12/05/58 Models

Block diagram for specific model versions.

Key & VFD Board Circuit Diagram

Key & VFD Board Circuit Diagram

Detailed circuit diagram for the Key & VFD board.

Main Board Circuit Diagrams

Main Board Circuit Diagram - Top Left

Circuit diagram for the top left section of the main board.

Main Board Circuit Diagram - Top Right

Circuit diagram for the top right section of the main board.

Main Board Circuit Diagram - Bottom Left

Circuit diagram for the bottom left section of the main board.

Main Board Circuit Diagram - Bottom Right

Circuit diagram for the bottom right section of the main board.

Main Board Circuit Diagrams for Specific Models

Circuit Diagram for /12/05/58 Models

Circuit diagram for specific model versions.

Amplifier Board Circuit Diagram

Amplifier Board Circuit Diagram

Detailed circuit diagram for the amplifier board.

Power Board Circuit Diagram

Power Board Circuit Diagram

Tuner Board Adjustment Table

Tuner Adjustment Table

Tuner Board Circuit Diagram

Tuner Board Circuit Diagram