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Service Manual

Service

Service

Service

Service

Service

SW3660/

00

©

 Copyright 2003 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.

Published by BB-ET0326 Service Audio Printed in The Netherlands Subject to modification

Active  Subwoofer

Version 1.0

TABLE OF CONTENTS

Page

Location of PC Boards ............................................... 1-2

Specifications .............................................................. 1-2

Measurement Setup ................................................... 1-3

ESD & Safety Instruction ............................................ 1-4

Disassembly Instructions & Service Positions .............. 2

Set Block & Wiring Diagram .......................................... 3

Amplifier, JACK & LED/VR Boards ............................... 4

Mechanical Exploded View & Parts List ........................ 5

GB

3139 785 30420

Summary of Contents for SW3660/00

Page 1: ...lectronic mechanical photocopying or otherwise without the prior permission of Philips Published by BB ET0326 Service Audio Printed in The Netherlands Subject to modification Active Subwoofer Version 1 0 TABLE OF CONTENTS Page Location of PC Boards 1 2 Specifications 1 2 Measurement Setup 1 3 ESD Safety Instruction 1 4 Disassembly Instructions Service Positions 2 Set Block Wiring Diagram 3 Amplifi...

Page 2: ...Output Power 40W 4 Ω DIN THD Total Harmonic Distortion 10 at 55Hz Reproduction Frequency Response 37Hz 145 Hz Phase Switch 00 1800 Input Sensitivity Subwoofer In 460 mVrms AC Power 220 240V 50 60 Hz Power Consumption 32 W at 1 8 Rated Power Dimensions w x h x d 200 mm x 310mm x 350 mm W eight 6 5 Kg ...

Page 3: ...1 3 MEASUREMENT SETUP ...

Page 4: ... Houd componenten en hulpmiddelen ook op ditzelfde potentiaal I AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevità potrebbe essere fortemente ridatta in caso di non osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecc...

Page 5: ...embly 1 Place the Subwoofer Box as shown in the Picture 3 and use a screw driver to force open the front assembly Dismantling the Rear assembly 1 Loosen 10 screws B as shown in the Picture 4 Rear View to pull out the Printed Circuit Board assembly Caution Do not break the bundle of wires to the front Take care the surface when take out the front panel of subwoofer Caution Do not break the bundle o...

Page 6: ...2 2 SERVICE POSITION ...

Page 7: ...3 1 3 1 BLOCK DIAGRAM PHASE CHANGE SWITCH VOL CONTROL STAND BY SW PROTECTION CIRCUIT POWER ON OFF DELAT CIRCUIT POWER SUPPLY DC 25V SUBWOOFER SPK DRIVER RELAY DRIVER POWER AMP PRE AMP INPUT HPF LPF LED ...

Page 8: ...3 2 3 2 WIRING DIRGRAM ...

Page 9: ...C Diagram 4 1 Circuit Diagram 4 2 PCB Layout View 4 3 Electrical Parts list 4 4 4 1 4 1 TDA7296 INTERNAL IC DIAGRAM IN IN BOOTRAP VS BOOTRAP OUTPUT VS Bipolar Transconductance Input Stage MOS Gain Level Shifting Stage MOS Output Stage Shot circuit Protection ...

Page 10: ...4 Q503 A3 Q504 A4 Q505 A4 R301 B1 R302 B1 R303 B1 R304 B1 R366 B1 R367 B1 R368 B2 R369 B2 R370 B2 R371 B2 R372 B2 R373 B2 R401 A1 R402 B1 R403 A1 R404 A1 R405 A1 R406 A2 R407 A2 R410 A1 R411 A1 R514 B3 R515 B3 R516 A3 R518 A3 R519 A3 R520 A3 R521 A3 R522 A3 R523 A3 R524 A3 R525 A4 R526 A4 R527 A4 R528 A4 R529 A4 R530 B4 R531 B4 R532 B4 R533 A3 R901 B4 R902 B3 RB301 B1 RB401 B2 RB402 B2 RB901 B4 RL...

Page 11: ...B2 R407 B2 CN401 B3 CN501 D3 CN901 D1 D501 D4 D503 B4 D901 D2 D902 C2 D903 C2 D904 C2 F901 C1 F902 C1 IC401 A1 IC502 A3 J103 C2 J104 D2 J105 D2 J106 D3 J109 C3 J501 A3 J502 B3 J503 B3 J504 B4 J505 B4 J506 A4 JK301 B6 Q352 B3 Q501 D4 Q502 D4 Q503 B4 Q504 C4 Q505 C4 R301 C6 R302 B5 R303 C5 R304 A1 R366 B3 R367 B3 R368 B3 R369 B3 R370 B3 R410 A3 R411 B1 R514 B3 R515 B4 R516 B3 R518 A4 R519 A4 R520 A3...

Page 12: ... COND ELECT 100uF 25V 20 C911 2038 554 00065 100nF 80 20 Y5V 50V C912 2038 554 00065 100nF 80 20 Y5V 50V C913 2038 554 00065 100nF 80 20 Y5V 50V C914 9965 000 20664 CONDDISC0 022uF100V 80 20 C915 9965 000 20664 CONDDISC0 022uF100V 80 20 RESISTORS R301 4822 050 21003 10k 1 0 6W R302 4822 050 25602 5k6 1 0 6W R303 4822 050 21003 10k 1 0 6W R304 4822 050 26202 6k2 1 0 6W R366 4822 050 21003 10k 1 0 6...

Page 13: ...SW3660 Exploded Drawing 5 1 5 1 ...

Page 14: ...11 9965 000 15951 FOOT 28 9965 000 20576 AC SOCKET SO 222 PC S TECX 29 9965 000 15949 SPEAKER GRILLE 30 9965 000 19942 SPEAKER DRIVER 40W 6 5 4 OHM 31 4822 532 13065 SPEAKER SPONGE 33 9965 000 20661 POWER TRANSFORMER EI 66 230V 40W 38 9965 000 20662 SW ROCKER 16A 250V 9965 000 16314 RCA CABLE 3000mm BLK D2 44mm 9965 000 15983 MAINS CORD For 21H version 9965 000 18375 MAINS CORD For 30 version Note...

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