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Service

Service

Service

Service

Service

Technical Specifications

Mains Voltage

: 230V

Mains Frequency

: 50Hz

Output Power (55Hz, 10% THD)

: 40W at 4 ohm load

Input Sensitivity

: < 220mV

S/N Ratio (100Hz, 200mV)

: > 60dB*

Minimum Volume Hum & Noise

: < 3mV

Frequency Response (-3dB)

Low

: <40Hz

High

: 120Hz - 140Hz

Distortion (100Hz, 200mV)

: < 1%*

* at Output level of 2V across 4 ohm load

©

 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 BB 0205 Service Audio

Printed in The Netherlands

Subject to modification

GB

3139 785 30047

Powered Subwoofer

 

Service Manual

SW968/

00S

(3139 118 79790)

Version 1.0

Summary of Contents for SW968

Page 1: ...utput level of 2V across 4 ohm load 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 BB 0205 Service Audio Printed in The Netherlands Su...

Page 2: ...re 6 to remove the Woox Speaker pos 4 1 Place the Subwoofer Box upside down and remove the 4 Rubber Foot A see Picture 1 Then unscrew 4 screws B see Picture 2 to loosen the Grille Base pos 19 Picture 5 Picture 4 DISMANTLING INSTRUCTIONS Dismantling the Grille Base Speaker Driver 2 Unscrew 4 screws C see Picture 3 to remove the Speaker Driver pos 17 Picture 3 Picture 2 Picture 1 Dismantling the Fro...

Page 3: ...ervice Position 1 Unscrew 10 screws E see Picture 7 to pull out the pc board assembly Caution Do not break the bundle of wires to the front Picture 7 DISMANTLING INSTRUCTIONS Dismantling the Rear Assembly ...

Page 4: ...SW301 JK301 G TP403 TP402 LVA0031C021 LVA0031C011 TP401 WIRING DIAGRAM 4 ...

Page 5: ...27 C303 SW501 Q504 R532 R529 R531 RL501 D501 EASTWAY LVA0364 00 1 Q501 CN501 R525 ZD901 C911 SW301 R302 JK301 C301 R303 RB301 R301 Q505 C516 C520 C521 Q502 R528 07V0 94V0 SK A B C E C909 R524 Q352 R526 C512 R530 C513 J506 C514 R519 R533 R518 C518 C519 J504 J505 R515 R522 R521 R523 D503 C522 C511 Q503 R406 C414 C406 R403 C517 R404 R405 C412 C405 R407 J503 C907 J103 J106 R368 R901 CN401 C906 R304 R4...

Page 6: ...V C904 4822 122 30103 22nF 80 63V C905 4822 124 42402 3300µF 20 35V C906 4822 124 42402 3300µF 20 35V C907 2038 554 00065 100nF 80 20 50V C908 2038 554 00065 100nF 80 20 50V C909 4822 124 40207 100µF 20 25V C910 4822 124 40207 100µF 20 25V C911 2038 554 00065 100nF 80 20 50V C912 2038 554 00065 100nF 80 20 50V C913 2038 554 00065 100nF 80 20 50V RESISTORS R301 4822 050 21003 10k 1 0 6W R302 4822 0...

Page 7: ...0 80686 1N5392 D904 4822 130 31878 1N4003G D904 5322 130 80686 1N5392 LD401 4822 130 10236 LED Green Red ZD901 4822 130 34195 BZX79 B13 ZD902 4822 130 34195 BZX79 B13 TRANSISTORS INTEGRATED CIRCUITS IC401 4822 209 32742 TL074CN IC502 4822 209 16935 TDA7296 Q352 4822 130 41198 2SC945P Q501 4822 130 41198 2SC945P Q502 4822 130 41198 2SC945P Q503 4822 130 41198 2SC945P Q504 4822 130 41198 2SC945P Q50...

Page 8: ...9965 000 09702 Rubber Pad 15 4822 532 13065 Speaker Sponge 16 9965 000 08277 Port Tube 17 9965 000 08278 Speaker Driver 100W 6 5 4 ohm 18 9965 000 08279 Port Tube 19 9965 000 12145 Grille Base 21 9965 000 09704 Rubber Foot 35 9965 000 09705 Mains Cord 37 9965 000 07092 Bushing 39 9965 000 09707 SW Rocker 5A AC 250V TV 5 45 9965 000 09706 PowerTransformer EI 66 230V 40W 9965 000 09734 RCA Cable L 3...

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