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Service

Service

Service

Service

Service

Technical Specifications

Mains Voltage

: 120V

Mains Frequency

: 60Hz

Output Power (55Hz, 10% THD)

: 100W at 4 ohm load

Input Sensitivity (55Hz, 100W)

: < 220mV

S/N Ratio (100Hz, 200mV)

: > 60dB*

Minimum Volume Hum & Noise

: < 3mV

Frequency Response (-3dB)

Low

: <40Hz

High

: 110Hz - 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 30046

Powered Subwoofer

 

Service Manual

SW970/

17

(3139 118 79360)

Version 1.0

www.freeservicemanuals.info

08/06/2012

World of Free Manuals

Summary of Contents for SW970/17

Page 1: ...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 ...

Page 2: ... the Front Cabinet pos 2 must be forced open Caution Do not break the bundle of wires to the front Dismantling the Rear Assembly 1 Unscrew 10 screws A see Picture 3 to pull out the pc board assembly Caution Do not break the bundle of wires to the front Dismantling the Speaker Driver 1 Loosen the Speaker Grille pos 40 as shown in the Picture 2 2 Unscrew 4 screws B see Picture 4 to remove the Speake...

Page 3: ...3 DISMANTLING INSTRUCTIONS Service Position Picture 3 Picture 4 www freeservicemanuals info 08 06 2012 World of Free Manuals ...

Page 4: ...SW301 JK301 TP403 TP402 LVA0031C021 LVA0031C011 TP401 WIRING DIAGRAM 4 www freeservicemanuals info 08 06 2012 World of Free Manuals ...

Page 5: ...COMPONENT LAYOUT 5 www freeservicemanuals info 08 06 2012 World of Free Manuals ...

Page 6: ...000 09715 4700µF 20 63V C906 9965 000 09715 4700µF 20 63V C907 2038 554 00065 100nF 80 20 50V C908 2038 554 00065 100nF 80 20 50V C911 2038 554 00065 100nF 80 20 50V C912 2038 554 00065 100nF 80 20 50V C914 2038 554 00065 100nF 80 20 50V C915 2038 554 00065 100nF 80 20 50V 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 9965 000 09725 4 7...

Page 7: ...1 1N4148 D503 4822 130 30621 1N4148 D504 4822 130 30621 1N4148 D505 4822 130 31438 1N4001G D506 4822 130 30621 1N4148 LD401 4822 130 10236 LED Green Red ZD501 4822 130 34197 BZX79 B12 ZD502 4822 130 31024 BZX79 B18 TRANSISTORS INTEGRATED CIRCUITS IC401 4822 209 32742 TL074CN IC901 4822 209 90748 AN7915T IC902 4822 209 90747 7815 Q352 4822 130 41198 2SC945P Q501 4822 130 41198 2SC945P Q502 4822 130...

Page 8: ...85 mm 12 4822 532 13065 Speaker Sponge 13 9965 000 08278 Speaker Driver 100W 6 5 4 ohm 28 3139 118 77230 Mains Cord UL 29 9965 000 07092 Bushing 38 9965 000 09735 PowerTransformer120V 60Hz100W 40 4822 458 10658 Speaker Grille 9965 000 09734 RCA Cable L 3000mm Note Only the parts mentioned in this list are normal service spare parts SCREW LIST 5 M3 x 8 7 M4 x 25 8 M3 5 x 14 19 M3 x 8 20 M3 x 12 25 ...

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