Philips 21PT2682/77B free download

File name Philips L7.2E.pdf

1 Colour Television Chassis L7.2E AA CL 86532008_004.ai 160298 Service Manual Table of contents 1 2 3 4 5 Technical specifications Location of panels Connection facilities Safety instructions, Warnings and Notes Mechanical instructions Repair facilities Software adjustments and Hotel mode Fault finding tree Block diagram, Survey of testpoints Diagram supply voltages survey Electrical Diagrams and print lay-outs Page 2 3 4 6 7 6 13 14 15 15 7 Power supply diagram A1 Sync, Horizontal + Vertical output diagram A2 Tuner, IF,Video,Chroma diagram A3 Control diagram A4 Sound processing, Sound interfacediagram A5 CRT panel diagram B Sound Multi-mono panel diagram C Sound Nicam-2CS panel diagram D 8 Electrical adjustments 9 Circuit diagram description (new circuits) 10 Directions for use 11 List of abbreviations 12 Spareparts list 5 Subject in The Netherlands of Philips. without theby FMpermision Service Department Copyright prior 9863 Printed to modification TV Published reserved 1998 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 727 21567 4822 otherwise Diagram 16 18 20 21 22 23 24 26 27 29 32 36 37 PWB 17,19 17,19 17,19 17,19 17,19 23 25 25 ©Copyright reserved 1998 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 permision of Philips. Published by FM 9863 TV Service Department Printed in The Netherlands Subject to modification 5 4822 727 21567 2 Mains Voltage: 1 Technical specifications L7.2E 1 : : : : : : : : : Technical specifications 220 - 240 V AC (+/- 10%) 17" 50 W (stand by < 7 W) 21" 57 W (stand by < 7 W) +/- 300 Hz +/- 600 Hz 45 - 64.5 Hz Power consumption Pull in range colour sync Pull in range horizontal sync Pull in range vertical sync Location of panels C MULTIMONO OR D NICAM, MAIN CRT AUDIO PANEL POWER SUPPLY SYNCHRONISATION HOR.DEFLECTION VERT. DEFLECTION TUNER IF VIDEO PROCESSING CONTROL AUDIO SOURCE INPUT AUDIO PROCESSING B A1 A2 A3 A4 A5 CL 86532008_005.ai 260398 2 2 Connection facilities Connection facilities L7.2E 3 IR Red Video L R (Ext2) Audio Volume - + - + Channel EXT1 CL86532008_008.ai 170298 2.1 Cinch - Video - Audio - Audio 1Vpp/75 L(0.5Vrms 10k) R(0.5Vrms 10k) q q q 4.5-7V:EXT 16:9 9.5-12V:EXT 4:3 91011121314Green Green (0.7Vpp/75) v v (0.7Vpp/75) (0-0.4V:INT 1-3V:EXT/75) 1718192021CVBS CVBS CVBS CVBS Earth socket v v k j j v 2.2 Head phone (32-600 10mW) ot 2.3 Euroconnector Red RGBstatus 15- Red 16- RGBstatus 12345678- Audio Audio Audio Audio Blue Audio Blue CVBSstatus R (0.5Vrms 1k) R (0.5Vrms 10k) L (0.5Vrms 1k) L (0.5Vrms 10k) (0.7Vpp/75) 0-1.3V:INT k j k v v