Electronica
Chassis
Service Service Service
1940
Contents
ServiceManual
Contents
00 00 Diagram PWB 1 2 13 3 4 115 5 17 6 19 7 19 8 21 9 21 10 22 11 23 12 24 13 14 15 16 17 18 19 20 21 22 23 24 00 00 00
4. Mechanical Instructions 6. Block Diagrams and Testpoints 7. Electrical Diagrams and PWB's SET WIRING DIAGRAM FRONT DISPLAY SCHEMATIC FTD DISPLAY CONNECTIONS TUNER - EC05SCHEMATIC TAPE DECK SCHEMATIC 3CDC MAIN BOARD SCHEMATIC - PART 1 3CDC MAIN BOARD SCHEMATIC - PART 2 MAIN PART-SOURCE SELECT & AMPLIFIER SCHEMATIC MAIN PART-POWER SUPPLY SCHEMATIC TRANSFORMER PRIMARY SCHEMATIC CDC KEY SCHEMATIC HEADPHONE SCHEMATIC FRONT DISPLAY PCB (COMP SIDE) FRONT DISPLAY PCB (COPPER SIDE) TUNER PCB - EC05 (COMP SIDE) TUNER PCB - EC05 (COPPER SIDE) TAPE DECK PCB (COMP SIDE) TAPEDECK PCB (COPPER SIDE) 3CDC PCB (COPPER SIDE) 3CDC PCB (COMP SIDE) MAIN BOARD (COMP SIDE) TRANSFORMER PRIMARY CBA CDC KEY PCB HEADPHONE PCB 8. Adjustments 9. Circuit Description 10. Spare Parts List
©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 anyform or by means, electronic, mechanical, photographic, or otherwise without the prior permission of Philips. Published by Philips Consumer Electronics Subject to modification 2005 Nov 10
GENERAL SAFETY NOTES IMPORTANT SAFETY NOTICE
Proper service and repair is important to the safe, reliable operation of all Philips Consumer Electronics Company** equipment. The service proceduresrecommended by Philips and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended. It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk ofpersonal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Philips could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently,Philips has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. ** Hereafter throughout this manual, Philips Consumer Electronics Company will be referred toas Philips.
WARNING
Critical components having special safety characteristics are identified with a or "S" by the Ref. No. in the parts list and enclosed within a broken line* (where several critical components are grouped in one area) along with the safety symbol on the schematics or exploded views. Use of substitute replacement parts which do not have the same specified safety characteristicsmay create shock, fire, or other hazards. Under no circumstances should the original design be modified or altered without written permission from Philips. Philips assumes no liability, express or implied, arising out of any unauthorized modification of design. Servicer assumes all liability. • Broken Line ____ _ ____ _ ____ _ ____
SAFETY CHECKS
After the original service problem has beencorrected, a complete safety check should be made. Be sure to check over the entire set, not just the areas where you have worked. Some previous servicer may have left an unsafe condition, which could be unknowingly passed on to Your customer. Be sure to check all of the following:
FIRE AND SHOCK HAZARD IMPLOSION X-RADIATION LEAKAGE CURRENT COLD CHECK LEAKAGE CURRENT HOT CHECK
PICTURE TUBE...
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