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Service Manual

Service

Service

Service

Service

Service

SW3700/

17S

©

 Copyright 2002 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 KC-ET0227 Service Audio Printed in The Netherlands Subject to modification

Active  Subwoofer

Version 1.0

TABLE OF CONTENTS

Page

SW3700 Location of PC Boards/Specifications ......... 1-2

SW3800 Location of PC Boards/Specifications ......... 1-3

Measurement Setup ................................................... 1-4

ESD & Safety Instruction ............................................ 1-5

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

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

Amplifier / Jack / LED Board .......................................... 4

Power & VR Board ........................................................ 5

Mechanical Exploded View & Parts List ........................ 6

GB

3139 785 30068

SW3800/

00S

Summary of Contents for SW3700/17S

Page 1: ...otherwise without the prior permission of Philips Published by KC ET0227 Service Audio Printed in The Netherlands Subject to modification Active Subwoofer Version 1 0 TABLE OF CONTENTS Page SW3700 Location of PC Boards Specifications 1 2 SW3800 Location of PC Boards Specifications 1 3 Measurement Setup 1 4 ESD Safety Instruction 1 5 Disassembly Instructions Service Positions 2 Set Block Wiring Dia...

Page 2: ...4Ω DIN THD Total Harmonic Distortion 10 at 55 Hz Reproduction Frequency Response 40 Hz 150 Hz Phase Switch 00 1800 Input Sensitivity Subwoofer In 500 mVrms AC Power 120V 60 Hz power Consumption 32 W at 1 8 Rated Power Dimensions w x h x d 200 mm x 310mm x 350 mm Weight 6 8 Kg LED PCB VR PCB POWER PCB JACK PCB AMPLIFIER PCB ...

Page 3: ... DIN THD Total Harmonic Distortion 10 at 55 Hz Reproduction Frequency Response 30 Hz 140 Hz Phase Switch 00 1800 Input Sensitivity Subwoofer In 200 mVrms AC Power 220 240V 50 Hz power Consumption 66 W at 1 8 Rated Power Dimensions w x h x d 200 mm x 310mm x 350 mm Weight 6 8 Kg 1 3 LED PCB AMPLIFIER PCB JACK PCB POWER PCB ...

Page 4: ...MEASUREMENT SETUP 1 4 ...

Page 5: ... 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 6: ...r Driver A SW3700 SW3800 SW3700 SW3800 1 Place the Subwoofer Box as shown in the Picture 3 Bottom view and use a screw driver to force open the front assembly Picture 3 WARNING ONLY THE LED VR PCBS ARE BETWEEN FRONT PANEL AND WOOD BOX UNLESS NECCESSARY DON T TRY TO OPEN THE FRONT PANEL Caution Do not break the bundle of wires to the front Take care the surface when take out the front panel of subw...

Page 7: ...2 2 SERVICE POSITION FOR SW3800 SERVICE POSITION FOR SW3700 2 2 ...

Page 8: ...3 1 3 1 BLOCK DIAGRAM ...

Page 9: ...3 2 3 2 WIRING DIAGRAM ...

Page 10: ...VOLTAGE 0V 0V 0V 0V 0 3V 13 8V 29 7V 0V 0V 0V 0V 0V 0V 14 9V 0V 0V 0V 15 1V 0 4V 3V 15 2V 15 5V 13 2V 0 6V 0V 29 7V 0V 29 6V 29 7V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 IC501 TDA7293 PIN NO VOLTAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 IC401 LM324N PIN NO VOLTAGE 1 4V 4 9V 1V 0V 4 4V 4 9V 3 9V 8 8V 1 2 3 4 5 6 B C E Q301 0V 0V 0V 0V 0V 0V 0V 0V 0V 0 6V 0 7V 0V 0V 0V 0V 0V 0 4V 0V 0V 15 3V 0V 0V 0V 0V 0V ...

Page 11: ...D305 A4 D306 B4 D501 A6 DB901 B6 F902 C6 F903 B6 IC301 B B2 IC401 A A2 IC401 B A1 IC401 D B3 IC501 A5 IC502 A B5 JK301 C1 LD501 D2 Q301 B1 Q302 B1 Q303 D3 Q304 D2 Q305 C3 Q306 D4 Q501 B4 Q502 A4 R301 C1 R302 D1 R303 C1 R304 A1 R305 B1 R351 B1 R362 B2 R363 B2 R364 B3 R365 B3 R366 B3 R367 B3 R368 B3 R369 B3 R370 D2 R371 D2 R372 C3 R373 C2 R374 C2 R375 D2 R376 D3 R377 D3 R378 C3 R379 D3 R380 D3 R381 ...

Page 12: ... A2 R407 B1 R410 B1 R411 A2 R501 B2 R502 B2 R505 A2 R506 A3 R507 A2 R508 B3 R509 A2 R510 A3 R511 A2 R512 B2 R513 B2 R514 B2 R515 B2 R516 B2 R517 A3 R518 A4 R519 A4 R520 A2 R521 A3 R522 A3 R523 A3 R524 B4 R525 A4 R526 B3 R902 B3 R903 C3 R904 B3 R905 B3 RB301 B4 RB401 D2 RB401A D1 RB904 D2 SW301 B4 ZD301 C1 ZD901 B3 ZD902 C3 CN401 B2 CN501 B4 CN511 D3 CN905 D2 D301 B1 D302 B1 D303 C2 D304 D1 D305 B3...

Page 13: ...000 14306 56R 1 6W 5 CF R358 9965 000 12624 270K 1 6W 5 R359 9965 000 12624 270K 1 6W 5 R360 4822 050 21003 10K 1 0 6W R361 4822 050 21003 10K 1 0 6W R362 9965 000 12519 1K 1 6W 5 CF R363 9965 000 12625 560K 1 6W 5 R364 9965 000 08284 220K 1 6W 5 CF R365 9965 000 12626 1M 1 6W 5 R366 9965 000 12627 680K 1 6W 5 R367 9965 000 12628 82K 1 6W 5 R368 9965 000 12627 680K 1 6W 5 R369 4822 050 21003 10K 1...

Page 14: ...POWER VR BOARD TABLE OF CONTENTS Power PCB schematic and Layout View 5 2 VR PCB schematic and Layout View 5 3 Electrical Parts List 5 4 5 1 ...

Page 15: ... D902 B1 D903 B2 F901 A2 RB902 B1 RB905 B1 RL901 B2 T902 B2 C901 B2 CN901 B2 D901 A1 D902 A1 D903 B1 F901 B2 RB902 A2 RB905 B1 RL901 B1 T902 A1 1 2 1 1 2 1 2 2 A B B A B A A B 5 2 POWER SCHEMATIC DIAGRAM POWER PCB LAYOUT VIEW ...

Page 16: ...1 2 A B A B 1 2 RB401 A2 VR401 A1 RB401 A1 VR401 A1 5 3 VR SCHEMATIC DIAGRAM VR PCB LAYOUT VIEW ...

Page 17: ...9965 000 12603 TRANSFORMER 230V 50HZ EI28 00S T902 9965 000 12602 TRANSFORMER 120V 60HZ EI28 17S CAPACITORS C901 9965 000 12604 0 01uF 20 RESISTORS VR401 9965 000 14314 CONTROL ROTARY 50KB 00S VR401 9965 000 14310 CONTROL ROTARY 50KB 17S DIODES D901 4822 130 31438 1N4001G D902 4822 130 31438 1N4001G D903 4822 130 31438 1N4001G Note Only the parts mentioned in this list are normal service spare par...

Page 18: ...SW3700 Exploded Drawing 6 1 6 1 ...

Page 19: ...SW3800 Exploded Drawing 6 2 6 2 ...

Page 20: ...x 14 19 D3 x 8 20 M3 x 14 25 D3 x 10 26 M2 x 6 27 D3 x 8 31 D3 x 10 37 D3 x 22 FOR SW3800 00S ONLY MECHANICAL PARTS LIST 1 9965 000 12141 VOLUME KNOB 2 9965 000 12142 BAR TRIM LENS 3 9965 000 14312 FRONT CABINET 4 9965 000 12144 WOOX SPEAKER 9 9965 000 09700 FOOT 14 9965 000 09702 RUBBER PAD 15 4822 532 13065 WASHER 17 9965 000 08278 SPEAKER DRIVER 100W 6 5 4OHM 31 9965 000 12443 MAINS SOCKET 48 9...

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