Philips SW988/00S User Manual

Service
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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

Philips SW988/00S Specifications

General

Brand	Philips
Model	SW988/00S
Category	Subwoofer
Language	English

Summary

Technical Specifications

Power and Frequency Specs

Specifies mains voltage, frequency, and output power.

Sensitivity, Noise, and Response

Details input sensitivity, S/N ratio, hum, noise, and frequency response.

Distortion Characteristics

Specifies the distortion level at a given output.

Dismantling Instructions

Dismantle Grille Base and Speaker Driver

Steps to remove the grille base and speaker driver.

Dismantle Front Assembly

Procedure for opening and removing the front assembly.

Dismantle Rear Assembly

Guide for removing the rear assembly and PC board.

Wiring Diagram

Component Layout

Electrical Parts List - Page 6

Miscellaneous Electrical Parts

Lists fuses, jacks, coils, and switches.

Capacitors List

Details various capacitor types, values, and ratings.

Resistors - Page 6

Lists resistors with their values, tolerances, and power ratings.

Electrical Parts List - Page 7

Resistors - Page 7

Lists resistors with their values, tolerances, and power ratings.

Diodes and Transistors/ICs

Lists diodes, transistors, and integrated circuits.

Exploded View and Parts

Mechanical Parts List

Details external and structural components of the subwoofer.

Screw List

Provides a list of screws with their specifications.