Philips MC-M250, Service Manual

Version 1.1

MC-M250

©

3140 785 32051

Service Manual

Micro System

all versions

Published by SL 0225  Service Audio    Printed in The Netherlands    Subject to modification

©

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.

Handling chip components ............................................................1-1
Technical specification...................................................................2-1
Service tools ..................................................................................2-1
Service measurement setup ..........................................................2-2
Connections and controls ......................................................3-1...3-2

Disassembly diagram ....................................................................4-1
Service Test Program ....................................................................4-2
Pin description of ICs.............................................................4-3...4-4
Set block diagram ..........................................................................5-1
Set wiring diagram .........................................................................5-2

LED BOARD

circuit diagram ..........................................................................6-1
layout diagram ..........................................................................6-1

FRONT BOARD

circuit diagram ..........................................................................7-1
layout diagram ..................................................................7-2...7-3

POWER BOARD

circuit diagram ..........................................................................8-1
layout diagram ..........................................................................8-1

TUNER BOARD (ECO6 cenelec)

circuit diagram ..........................................................................9-1
layout diagram ..........................................................................9-2
tuner adjustment table ..............................................................9-2

TUNER BOARD (ECO6 non cenelec)

circuit diagram ..........................................................................9-3
layout diagram ..........................................................................9-4
tuner adjustment table ..............................................................9-4

ETF 8 TAPE DECK MODULE

circuit diagram ........................................................................10-1
layout diagram ........................................................................10-2
tape deck adjustment .............................................................10-3
tape deck wiring diagram........................................................10-4

COMBI BOARD

circuit diagram. .............................................................11-1...11-3
layout diagram ..............................................................11-4...11-5

COMBI BOARD (for production after week 0303)

circuit diagram. .............................................................11-6...11-8
layout diagram ............................................................11-9...11-10

SWITCH BOARD

circuit diagram. .......................................................................12-1
layout diagram ........................................................................12-1

CD MODULE (CD99-MP3CD2002)

circuit diagram ................................................................12-1,13-1
layout diagram ........................................................................13-2

MP3-CD2002 BOARD

circuit diagram ........................................................................14-1
layout diagram ........................................................................14-2

Exploded view (main set) ..................................................15-1...15-2
Mechanical partslist .....................................................................15-2
Exploded view diagram (tape deck).............................................15-3

Electrical partslist.............................................................16-1...16-16
Electrical partslist 

(for production after week 0303)

.............16-17...16-22

TABLE OF CONTENTS

CLASS 1

LASER PRODUCT