Philips FW-R7/17 Servise Manual

CDR Mini System
SERVICING
For servicing FW-R7, the set can be divided into two parts:
1. Except for the CD-R/W module the set has to be repaired on component level.
2. The CD-R/W module will be exchanged completely in case of a failure.
The defective CD-R/W module has to be returned for central repair.
Available circuit descriptions: The Basics of Compact Disc Recordable/Rewritable

Table of Contents

Location of printed circuit boards . . . . . . . . . . . . . . . . . . . 1-2
Technical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Measurement setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
RC-5 codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Brief operating instructions . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Warnings & safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Service Testprogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Block/Leveldiagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Front Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Tuner Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Audio Frequency Board (AF7) . . . . . . . . . . . . . . . . . . . . . 8
©
Copyright 2000 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 HB 0016 Service Audio
3rd generation Compact Disc Recording
Printed in The Netherlands Subject to modification
4822 725 25242
3104 125 40100
Power Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Disc Changer Module . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CD R/W Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Exploded view of set. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Partslist of set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
FW-R7
/17/21/22
CLASS 1
LASER PRODUCT
©
3103 785 25050