Philips SW-988 Service Manual

Service

Service

Powered Subwoofer

Service Manual

Service
Service

Service

SW988/00S

(3139 118 79380)

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

Version 1.0

DISMANTLING INSTRUCTIONS

Dismantling the Grille Base & Speaker Driver

2

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).

2. Unscrew 4 screws C (see Picture 3) to remove the
Speaker Driver (pos. 17).

Picture 3Picture 2Picture 1

Dismantling the Front Assembly

1. Place the Subwoofer Box as shown in the Picture 4 and
Picture 5 and use a screw driver (minus type) to force
open the front assembly.
Caution: Do not break the bundle of wires to the front.

2. Unscrew 4 screws D (see Picture 6) to remove the Woox
Speaker (pos. 4).

Picture 4

Picture 5

Picture 6

DISMANTLING INSTRUCTIONS

Dismantling the Rear Assembly

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.

3

Service Position

Picture 7