MABEL PLATFORM 3A/4A
Technical specification ......................................................1-1
Connections and controls ..................................................1-2
Feature overview ...............................................................1-3
Accessories .......................................................................1-3
Safety warnings .................................................................1-4
Service hints
Repair positions ............................................................2-1
Service tools..................................................................2-1
Training material ...........................................................2-1
ESD protection equipment ............................................2-1
Handling chip components ............................................2-2
Service test program .................................................3-1...3-2
Blockdiagram .....................................................................3-3
Start-up procedure.............................................................3-4
Pinning of ICs ............................................................3-5...3-9
Circuit diagrams
Supply/Servodriver part.................................................4-1
Signal processing part...................................................4-2
Membrane assembly 4822 360 10363 ..........................4-3
Control part ...................................................................4-4
Audio part ......................................................................4-5
Printed circuit board layout stage.3
Copperside view............................................................4-6
Componentside view .....................................................4-7
Printed circuit board layout stage.5
Copperside view............................................................4-8
Componentside view .....................................................4-9
Exploded view ...........................................................5-1...5-2
Mechanical partslist ...........................................................6-1
Electrical partslist ......................................................6-1...6-4
CS 46 455
AZ7381
©
4822 725 26016
Published by PW 9802 Service Audio Printed in The Netherlands Subject to modification
Portable compact disc player
CLASS 1
LASER PRODUCT
AZ7382
AZ7383
AZ7481
AZ7482
AZ7483
all versions
TABLE OF CONTENTS
©
Copyright 1997 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.
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