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Active Subwoofer
Service
Service
Service
Service
Service
Service Manual
©
Copyright 2003 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-ET0326 Service Audio Printed in The Netherlands
Version 1.0
TABLE OF CONTENTS
Location of PC Boards ............................................... 1-2
Specifications .............................................................. 1-2
Measurement Setup ................................................... 1-3
ESD & Safety Instruction ............................................ 1-4
Disassembly Instructions & Service Positions .............. 2
Set Block & Wiring Diagram .......................................... 3
Amplifier, JACK & LED/VR Boards ............................... 4
Mechanical Exploded View & Parts List ........................ 5
Subject to modification
SW3660/
Page
GB
00
3139 785 30420
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Table of Contents
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Summary of Contents for Philips SW3660/00
- Page 1 Mechanical Exploded View & Parts List ......5 © Copyright 2003 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 SPECIFICATIONS SUBWOOFER Subwoofer (not magnetically shielded design)......................6.5" Output Power............................40W (4 Ω,DIN) THD (Total Harmonic Distortion) ......................10% at 55Hz Reproduction Frequency Response......................37Hz-145 Hz Phase Switch..............................0 Input Sensitivity (Subwoofer In)........................460 mVrms AC Power ..........................220 - 240V / 50 - 60 Hz Power Consumption......................32 W (at 1/8 Rated Power) Dimensions (w x h x d).....................200 mm x 310mm x 350 mm W eight................................6.5 Kg... -
Page 3: Measurement Setup
MEASUREMENT SETUP... -
Page 4: Esd & Safety Instruction
ESD & SAFETY INSTRUCTION WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically. - Page 5 DISASSEMBLY INSTRUCTIONS Dismantling the Speaker Grille & 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 and loosen 4 screws A to remove the Speaker Driver. use a screw driver to force open the Speaker Grille.
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Page 6: Service Position
SERVICE POSITION... -
Page 7: Block Diagram
BLOCK DIAGRAM INPUT PHASE CHANGE SWITCH PRE AMP RELAY POWER CONTROL & DRIVER STAND-BY POWER SUPPLY POWER ON/OFF PROTECTION CIRCUIT DELAT CIRCUIT DC:+/-25V... -
Page 8: Wiring Dirgram
WIRING DIRGRAM... - Page 9 TDA7296 INTERNAL IC DIAGRAM BOOTRAP + VS BOOTRAP IN + AMPLIFIER, JACK & LED / VR OUTPUT IN - BOARD - VS Bipolar MOS Gain & MOS Output Shot circuit Transconductance Level Shifting Stage Protection Input Stage Stage TABLE OF CONTENTS Internal IC Diagram.............
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Page 10: Circuit Diagram
CIRCUIT DIAGRAM C301 C403 C413 C513 C521 C906 C914 D901 IC401/C A1 Q504 R368 R403 R515 R524 R532 RL501 C303 C404 C414 C514 C522 C907 C915 D902 IC502 Q505 R369 R404 R516 R525 R533 SW301 B1 C304 C405 C415 C515 C900 C908 CN301 A1... - Page 11 PCB LAYOUT VIEW C301 C405 C509 C519 C907 CN401 B3 F902 J503 Q505 R371 R410 R523 R533 P401 C303 C406 C510 C520 C908 CN501 D3 IC401 A1 J504 R301 R372 R411 R524 R901 RB401 B7 IC502 A3 C304 C407 C511 C521 C909 CN901 D1...
- Page 12 ELECTRICAL PARTS LIST - AMPLIFIER, JACK SWITCH, LED & VR BOARDS ELECTRICAL PARTS LIST - AMPLIFIER, JACK SWITCH, LED & VR BOARDS MISCELLANEOUS CN901 9965 000 12617 CONNECTOR 3P PITCH=3.96mm C907 2038 554 00065 100nF +80/-20% Y5V 50V R901 9965 000 19968 RESISTOR 330 OHM 1/2W 5% CF F901 9965 000 20663...
- Page 13 SW3660 Ex p loded Drawing...
- Page 14 MECHANICAL & ACCESSORIES PARTS LIST - MAIN UNIT 9965 000 19938 VOLUME KNOB 9965 000 19939 FRONT CABINET 9965 000 19940 PORT TUBE & NET CLOTH ASSEMBLY 9965 000 15951 FOOT 9965 000 20576 AC SOCKET SO-222-PC-S (TECX) 9965 000 15949 SPEAKER GRILLE 9965 000 19942 SPEAKER DRIVER 40W 6.5"...