Portable compact disc player
TABLE OF CONTENTS
Feature overview ...............................................................1-1
Accessories .......................................................................1-3
Repair positions ............................................................2-1
CD-drive cleaning & lubrication .....................................2-2
CD-drive lens cleaning ..................................................2-2
Service tools..................................................................2-3
Pin description of ICs ................................................3-1...3-3
Blockdiagram .....................................................................3-5
©
Copyright 1999 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 PW 9951 Service Audio
CS 46 638
Printed in The Netherlands
Subject to modification
Circuit diagrams
Part1 (supply, control and servo part) ...........................4-1
Part2 (signal processing and audio part) ......................4-2
Printed circuit board
Copperside view............................................................4-4
Exploded view ...................................................................5-1
AZ7900
AZ7901
all versions
PRODUCT FAMILY DORIS1 - PB1
CLASS 1
LASER PRODUCT
© 3103 785 25000