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Philips SW7100SA Service Manual

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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-ET0332 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
Main + Jack & LED Board ............................................. 4
Power Board .................................................................. 5
Mechanical Exploded View ........................................... 6
Subject to modification
SW7100SA/
Page
GB
00
3139 785 30480

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  Summary of Contents for Philips SW7100SA

  • Page 1 Mechanical Exploded View ........... 6 © 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.
  • Page 2: Location Of Pc Boards

    LOCATION OF PC BOARDS SPECIFICATIONS SUBWOOFER Subwoofer (not magnetically shielded design).......................6.5" Output Power........................55Hz 10% 100W (4Ω,DIN) THD (Total Harmonic Distortion) ......................100Hz 2V 1% Reproduction Frequency Response.......................30 Hz-130 Hz Phase Switch..............................0 ,180 Input Sensitivity (Subwoofer In)........................80 mVrms AC Power..............................230V/50 Hz power Consumption......................165 W (at 1/8 Rated Power) Dimensions (w x h x d)....................222 mm x 358.5 mm x 230 mm Weight................................8.7 Kg...
  • 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 Front Assembly & Speaker Driver 1. Place the Subwoofer Box as shown in the Picture 1 2. Place the Subwoofer Box as shown in the Picture 2 and use a screw driver to force open the Front and loosen 4 screws A to remove the Speaker Driver.
  • Page 6: Service Position

    SERVICE POSITION...
  • Page 7: Block Diagram

    BLOCK DIAGRAM...
  • Page 8: Wiring Diagram

    WIRING DIAGRAM...
  • Page 9 TDA7293 INTERNAL IC DIAGRAM C7 100nF C6 1000m F R3 22K MAIN & JACK & LED BOARD BUFFER DRIVER +PWVs 22m F 680W IN- 2 C1 470nF BOOT R1 22K LOADER SGND 22m F TABLE OF CONTENTS BOOTSTRAP VMUTE R5 10K MUTE Internal IC Diagram ............
  • Page 10: Circuit Diagram

    CIRCUIT DIAGRAM C301 C358 C406 C505 C905 C922 DB901 F2 LD401 B3 R305 R363 R376 R405 R512 R526 ZD902 E2 C302 C359 C407 C506 C906 CN301 A1 F901 Q301 R351 R364 R377 R406 R513 R902 C303 C360 C410 C507 C907 CN401 B3 F902 Q303...
  • Page 11 PCB LAYOUT VIEW C301 D305 R404 C302 D306 R405 C303 D501 R406 C304 DB901 C4 R407 C305 F902 R410 C306 F903 R411 C351 IC301 R502 C352 IC401 R505 C353 IC501 R506 C354 IC502 R507 C355 JK301 E3 R508 C356 JW101 C3 R509 C357 JW102 C3...
  • Page 12 ELECTRICAL PARTS LIST - MAIN & JACK BOARDS ELECTRICAL PARTS LIST - MAIN & JACK BOARDS MISCELLANEOUS CN401 9965 000 15862 CONNECTOR B2B-XH-A 2 PIN C508 9965 000 16358 COND DISC 30pF 50V 5% NP0 R374 9965 000 12515 2.2k OHM 1/6W 5% CF R523 4822 050 21003 10k 1% 0,6W...
  • Page 13: Power Board

    POWER BOARD TABLE OF CONTENTS Power Board Schematic and PCB Layout View ....5-2 Electrical Parts List .............. 5-3...
  • Page 14: Power Schematic Diagram

    POWER SCHEMATIC DIAGRAM C901 CN901 B2 D901 D902 D903 F901 RB902 B1 RB905 A2 RL901 A2 T902 POWER PCB LAYOUT VIEW C901 CN901 A1 D901 D902 D903 F901 RB902 A1 RB905 A2 RL901 B2 T902...
  • Page 15 ELECTRICAL PARTS LIST - POWER BOARD MISCELLANEOUS CN901 9965 000 15936 CONNECTOR 4 PIN P=3.96mm F901 4822 070 32002 FUSE 2A 250V SLOW BLOW 5x20mm RB902 9965 000 15936 CONNECTOR 4 PIN P=3.96mm RL901 9965 000 16331 RELAY GJ-SH-112DM T902 9965 000 15975 PWR TRANS 230V 50Hz EI28 AXIAL CAPACITORS...
  • Page 16 Exploded Drawing...
  • Page 17 MECHANICAL & ACCESSORIES PARTS LIST - MAIN UNIT 9965 000 21080 CLOTH FRAME ASSEMBLY 9965 000 21081 FRONT PANEL 9965 000 21082 SPEAKER DRIVER 4822 532 13065 SPEAKER SPONGE 9965 000 21084 PAPER TUBE 9965 000 21085 PLASTIC PORT 9965 000 21086 PLASTIC FOOT 9965 000 21087 RUBBER FOOT WASHER...

This manual is also suitable for:

Sw7100sa/00