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Active Subwoofer
Service
Service
Service
Service
Service
Service Manual
©
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-ET0242 Service Audio Printed in The Netherlands
Version 1.0
TABLE OF CONTENTS
Location of PC Boards/Specifications ........................ 1-2
Measurement Setup ................................................... 1-3
ESD & Safety Instruction ............................................ 1-4
Disassembly Instructions & Service Positions .............. 2
Set Block & Wiring Diagram .......................................... 3
Amplifier/Input/LED Board ............................................. 4
Power Board .................................................................. 5
Mechanical Exploded View ........................................... 6
Subject to modification
SW7000SA/
Page
GB
00S/01S
3139 785 30098
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Table of Contents
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Summary of Contents for Philips SW7000SA/00S
- Page 1 Mechanical Exploded View ........... 6 © 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.
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Page 2: Location Of Pc Boards
LOCATION OF PC BOARDS AMPLIFIER BOARD INPUT BOARD BOARD POWER BOARD SPECIFICATIONS SUBWOOFER Subwoofer (not magnetically shielded design).......................6.5" Output Power............................50W (4Ω,DIN) THD (Total Harmonic Distortion) ...................10% at 80 Hz (output power) Reproduction Frequency Response.......................30 Hz-160 Hz Phase Switch..............................0 ,180 Input Sensitivity (Subwoofer In).........................80 mVrms AC Power............................230V/50 Hz(/00S) -
Page 3: Measurement Setup
MEASUREMENT SETUP Audio LOAD 4 OHM Generator LEVEL DISTORTION METER JK301 CN501 SCOPE Audio Test Signal 100Hz M 5ms... -
Page 4: Esd & Safety Instruction
ESD & SAFETY INSTRUCTION Safety regulations require that the set be restored to its original WARNING condition and that parts which are identical with those specified,be used. All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. - Page 5 DISASSEMBLY INSTRUCTIONS Dismantling the Grille Assembly & Speaker Driver 2. Place the Subwoofer Box as shown in the Picture 2 1. Place the Subwoofer Box as shown in the Picture 1 and loosen 4 screws A to remove the Speaker Driver. and use a screw driver to force open the Grille Assembly.
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Page 6: Service Position
SERVICE POSITION... -
Page 7: Block Diagram
BLOCK DIAGRAM... -
Page 8: Wiring Diagram
WIRING DIAGRAM... - Page 9 AMPLIFIER / I/P / LED BOARD TABLE OF CONTENTS Internal IC Diagram ............4-1 Circuit Diagram ..............4-2 PCB Layout View ..............4-3 Electrical Part list ..............4-4...
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Page 10: Circuit Diagram
CIRCUIT DIAGRAM C301 JK301 C302 LD401 C303 Q351 C304 Q352 C305 Q353 C306 R301 C340 R302 C351 R303 C352 R304 C353 R340 C354 R350 C355 R351 C356 R352 C357 R353 C360 R354 C401 R355 C402 R356 C403 R357 C404 R358 C405 R359 C406... - Page 11 PCB LAYOUT VIEW C301 JW503 C302 JW505 C303 JW506 C304 JW901 C305 JW902 C306 LD401 C340 Q351 C351 Q352 C352 Q353 C353 R301 C354 R302 C355 R303 C356 R304 C357 R340 C360 R350 C401 R351 C402 R352 C403 R353 C404 R354 C405 R355...
- Page 12 ELECTRICAL PARTS LIST - AMPLIFIER / INPUT / LED BOARD ELECTRICAL PARTS LIST - AMPLIFIER / INPUT / LED BOARD MISCELLANEOUS CN301 9965 000 15859 Connector 4 PIN P=2.0mm C907 2038 554 00065 100nF +80/-20% 50V R514 4822 050 24703 47k 1% 0,6W CN351 9965 000 15900 Connector 3 PIN P=2.0mm...
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Page 13: Power Board
Voltages POWER BOARD TABLE OF CONTENTS Voltages ................5-1 Power PCB Layout View (/00S,/01S) ........5-2 Power PCB schematic View (/00S) ........5-3 Power PCB schematic View (/01S) ........5-4 Electrical Parts List (/00S,/01S) .......... 5-5... - Page 14 POWER PCB LAYOUT VIEW (For/00S only) POWER PCB LAYOUT VIEW (For/01S only) C358 C358 C359 C359 C361 C361 C362 C362 C363 C363 C364 C364 C901 C901 CN901 CN901 CN902 CN902 CN903 D353 D353 D354 D354 D355 D355 D356 D356 F901 F901 Q354 Q354...
- Page 15 POWER SCHEMATIC DIAGRAM (For/00S only) C358 C362 C901 D353 D356 Q355 R378 R381 RB351 RB906 T902 C359 C363 CN901 D354 F901 Q357 R379 R382 RB901 RL901 ZD350 C361 C364 CN902 D355 Q354 R377 R380 R383 RB902 T901...
- Page 16 POWER SCHEMATIC DIAGRAM (For/01S only) C358 C362 C901 CN903 A5 D355 Q354 R377 R380 R383 T902 C359 C363 CN901 C5 D353 D356 Q355 R378 R381 RB351 C1 ZD350 B2 C361 C364 CN902 C5 D354 F901 Q357 R379 R382 RL901 B3...
- Page 17 ELECTRICAL PARTS LIST - POWER BOARD MISCELLANEOUS CN901 9965 000 15936 Connector 4 PIN P=3.96mm CN902 9965 000 15936 Connector 4 PIN P=3.96mm /00S CN902 9965 000 16340 Connector 5 PIN P=3.96mm /01S CN903 9965 000 16341 Connector 2 PIN /01S F901 9965 000 16330...
- Page 18 Exploded Drawing...
- Page 19 MECHANICAL & ACCESSORIES PARTS LIST 9965 000 16311 Front Cabinet Assembly 9965 000 16312 Grille Assembly 9965 000 16313 PWR TRANS EI-66 230V /00S 9965 000 16338 PWR TRANS EI-66 120V/230V 60/50Hz /01S 9965 000 15983 Mains Cord 9965 000 12443 AC Socket 4822 532 13065 Speaker Sponge...
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