Philips-SW-7100-SA-Service-Manual电路原理图.pdf

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1、 Service ManualServiceServiceServiceSW7100SA/00Copyright 2003 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, photocopying,

2、 or otherwisewithout the prior permission of Philips.Published by BB-ET0332 Service AudioPrinted in The NetherlandsSubject to modificationActive SubwooferVersion 1.0TABLE OF CONTENTSPageLocation of PC Boards/Specifications .1-2Measurement Setup .1-3ESD fr Reparaturen sind Original-Ersatzteile zu ver

3、wenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customerperform a leakage current measurement test from allexposed metal parts to earth

4、ground to assure no shockhazard exist. The leakage current must not exceed 0.5mA.“ESD & SAFETY INSTRUCTIONDISASSEMBLY INSTRUCTIONS2-1Dismantling the Front Assembly & Speaker Driver1. Place the Subwoofer Box as shown in the Picture 1and use a screw driver to force open the Frontassembly.Caution: Do n

5、ot break the bundle of wires to the front.Take care the surface when take out the frontpanel of subwoofer2. Place the Subwoofer Box as shown in the Picture 2and loosen 4 screws A to remove the Speaker Driver.Dismantling the Rear Assembly1. Loosen 11 screws B as shown in the Picture 3 (RearView) to p

6、ull out the Printed Circuit Board assembly.Caution: Do not break the bundle of wires to the front.Picture 1Picture 2Picture 3WARNING: THERE IS ONLY A LEDBETWEEN FRONT PANEL ANDWOOD BOX. IF NOT NECCESSARY,PLEASE DO NOT TRY TO OPEN THEFRONT PANEL!BA2-2SERVICE POSITION3-1 3-1BLOCK DIAGRAM3-2 3-2WIRING

7、DIAGRAMMAIN & JACK & LED BOARDTABLE OF CONTENTSInternal IC Diagram . 4-1Circuit Diagram .4-2PCB Layout View .4-3Electrical Part list .4-44-1 4-1IN- 2 R2 680 W C2 22 m F C1 470nF IN+ R1 22K 3 R3 22K - + MUTE STBY 4 VMUTE VSTBY 10 9 SGND MUTE STBY R4 22K THERMAL SHUTDOWN S/C PROTECTION R5 10K C3 10 m

8、F C4 10 m F 1 STBY-GND C5 22 m F 7 13 14 6 15 8 -Vs -PWVs BOOTSTRAP OUT +PWVs +Vs C9 100nF C8 1000 m F -Vs D97AU805A +Vs C7 100nF C6 1000 m F BUFFER DRIVER 11 BOOT LOADER 12 5 VCLIP CLIP DET TDA7293 INTERNAL IC DIAGRAMCIRCUIT DIAGRAM4-2 4-2A123123BCDEFAB CD E FC301 A3 C302 A3 C303 A1 C304 A1 C305 A1

9、 C306 A1 C351 A2 C352 A2 C353 C2 C354 B2 C355 B1 C356 B2 C357 B2C358 C3 C359 C3 C360 D3 C361 C3 C362 C3 C363 C3 C364 C3 C365 A1 C401 A1 C402 A1 C403 B1 C404 B1 C405 B1C406 C1 C407 C1 C410 D2 C411 D2 C412 D2 C413 D2 C414 D2 C415 D2 C418 B1 C419 B1 C502 D1 C503 E1 C504 D1C505 D2 C506 E2 C507 E1 C508 E

10、1 C509 E1 C510 F1 C511 F1 C512 D1 C513 E1 C514 E1 C515 F1 C517 C1 C518 E1C905 E2 C906 E2 C907 E2 C908 E2 C909 E2 C910 E2 C913 F2 C914 F2 C915 F2 C917 D2 C919 D2 C920 E1 C921 F1C922 F2 CN301 A1 CN401 B3 CN501 F1 CN904 F2 CN905 D3 D301 B2 D302 B2 D303 C3 D304 C3 D305 D1 D306 D2 D501 F1DB901 F2 F901 E3

11、 F902 F2 F903 F2 IC301-A C2 IC301-B B2 IC401-A B1 IC401-D C1 IC502-A D1 IC502-B D1 IC501 E1 JK301 A2 JW112 C1LD401 B3 Q301 A2 Q303 C3 Q302 A2 Q304 B3 Q305 C3 Q306 C3 Q501 D1 Q502 D1 R301 A3 R302 A3 R303 A3 R304 A1R305 A1 R351 A1 R352 A2 R353 A2 R354 A2 R355 A2 R356 A1 R357 A2 R358 B1 R359 B2 R360 B1

12、 R361 B2 R362 B2R363 B1 R364 C2 R365 C2 R366 C1 R367 C2 R368 C1 R369 C2 R370 B3 R371 B3 R372 C3 R373A E3 R374 B3 R375 B3R376 C3 R377 C3 R378 C3 R379 C3 R380 C3 R381 C3 R382 C3 R383 C3 R384 A1 R401 A1 R402 A1 R403 B1 R404 B1R405 B1 R406 B1 R407 C1 R410 D2 R411 D2 R502 C1 R505 E1 R506 E1 R507 E1 R508 E1 R509 E1 R510 E2 R511 E2R512 D1 R513 D1 R514 D2 R515 D1 R516 D2 R517 E1 R518 D1 R520 E1 R521 E1 R522 F1 R523 F1 R524 F1 R525 E1R526 D1 R902 E2 R903 E2 R904 E2 R905 E2 RB301 A3 RB401 B3 RB904 F2 SW301 A2 T901 F2 T902 E2 ZD301 E3 ZD901 E2ZD902 E2