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Service

Service

Service

Service

Service

Technical Specifications

Mains Voltage

: 230V

Mains Frequency

: 50Hz

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 30048

Powered Subwoofer

 

Service Manual

SW988/

00S

(3139 118 79380)

Version 1.0

Summary of Contents for SW988/00S

Page 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 Netherlan...

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 TP403 TP402 LVA0031C021 LVA0031C011 TP401 WIRING DIAGRAM 4 ...

Page 5: ...COMPONENT LAYOUT 5 ...

Page 6: ...32331 1nF 10 100V C524 5322 122 32331 1nF 10 100V C905 9965 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 C918 9965 000 11041 0 01µF 20 500V RESISTORS R301 4822 050 21003 1...

Page 7: ...D501 4822 130 31438 1N4001G D502 4822 130 30621 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 2SC...

Page 8: ...5 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 47 9965 000 09713 PowerTransformer230V 50Hz100W 9965 000 09734 RCA Cable L 3000mm Note Only the parts men...

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