TABLE OF CONTENTS
Technical specification..........................................................2
Location of printed circuit boards ..........................................4
Warnings & Safety ................................................................5
Brief Operating Instructions ..................................................6
Dismantling Instructions......................................................15
Service hints .......................................................................22
Diagnostic Software ............................................................23
Block Diagrams...................................................................61
Wiring Diagram ...................................................................65
Exploded Views ..................................................................66
Circuit Diagrams and PWB Layouts
Switched Mode Power Supply ............................................69
Auxiliary Supply board ........................................................73
Display/Control board .........................................................75
Standby board ....................................................................76
Tray light boards left/right ...................................................76
Combi board .......................................................................78
Amplifier board....................................................................87
Loudspeaker Socket board .................................................92
Analog Video (AV) board ....................................................93
µP Sub board (CECO) ......................................................101
Digital board......................................................................105
Alignments ........................................................................117
Circuit- and IC descriptions...............................................120
Abbreviations A/V-, Digital board ......................................148
Spare parts list ..................................................................150
Revision list.......................................................................181
Version 1.1
LX7500R
/01/04/05
Published by MS 0448 Service Audio Printed in The Netherlands Subject to modification
©
3103 785 25301
DVD+RW Receiver
CLASS 1
LASER PRODUCT
©
Copyright 2004 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.
For servicing the DVD+RW Basic Engine we refer to
Service Manual 3122 785 14850
DVD+RW Basic Engine VAD8041
Only designated workshops can perform these repairs!