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Published by JvR 9965 Service PaCE Printed in the Netherlands Subject to modification 5 4822 727 21705
Copyright reserved 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.
Colour Television Chassis
L9.2A
AA
Contents Page
1. Technical Specifications 2
2. Safety- and maintenance instructions, 3
warnings and notes. 4
3. Directions for use 5
4. Mechanical instructions 14
5. Service modes, faultfinding and repair tips 15
6. Faultfinding trees 21
Supply voltage diagram 25
Blockdiagram 26
Testpointsoverview and oscillograms 27
7.
Electrical diagram’s en PWB’s Diagram PWB
Power supply (Diagram A1) 28 34/37
Diversity table A1 29
Horizontal deflection (Diagram A2) 30 34/37
Vertical deflection (Diagram A3) 31 34/37
Synchronisation (Diagram A4) 31 34/37
Tuner en video IF (TDA 8844) (Diagram A5) 32 34/37
Diversity table A5 33
Video processing (Diagram A6) 38 34/37
Control (Diagram A7) 39 34/37
Front control (Diagram A8) 40 34/37
Smart sound & mono amplifier (Diagram A10) 41 34/37
Front cinch and headphone (Diagram A11) 42 34/37
Rear IO Cinches (Diagram A12) 43 34/37
CRT Panel (Diagram B) 44 45
BTSC decoder (Diagram C1) 46 48
BTSC Audio amplifier (Diagram C2) 47 48
ITT Audio decodering (Diagram D1) 49 45
ITT Audio amplifier (Diagram D2) 50 45
Side AV panel (Diagram E) 51 51
8. Alignments 53
9. Circuit description new circuits and 56
list of abbreviations 61
10. Spareparts list 64
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