Philips FWM185 Service Manual

Philips FWM185 Service Manual

Mini system
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Mini System
©
Copyright 2007 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 SL0731 Service Audio
Version 1.2

TABLE OF CONTENTS

Specifi cations .............................................................. 1-2
Measurement Setup .................................................... 1-3
Block Diagram ................................................................ 2
Wiring Diagram ............................................................... 3
Cassette Board & USB Board ........................................ 4
Main & USB Board ......................................................... 5
Cd Board ........................................................................ 6
AMP Board ..................................................................... 7
Mechanical Exploded View & Parts List ......................... 8
Revision List ................................................................... 9
Printed in The Netherlands Subject to modifi cation.
FWM185/
Page
CLASS 1
LASER PRODUCT
GB
all versions
3141 785 31682

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Summary of Contents for Philips FWM185

  • Page 1 LASER PRODUCT © Copyright 2007 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: Tape Deck

    SPECIFICATION AMPLIFIER USB PLAYER 1 KHz USB ..............12Mb/s, V1.1 (Low channel - both channels driven) ......... support MP3 and WMA files ........... 30 W per channel (8 ) Number of albums/folders ....maximum 99 10 KHz Number of tracks/titles ...... maximum 400 (High channel - both channels driven) SPEAKERS ...........
  • Page 3: Measurement Setup

    MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 4: Service Aids

    SERVICE AIDS Compact Disc: Service Tools: SBC426/426A Test disc 5 + 5A ......4822 397 30096 Universal Torx driver holder .........4822 395 91019 SBC442 Audio Burn-in test disc 1kHz ....4822 397 30155 Torx bit T10 150mm ...........4822 395 50456 SBC429 Audio Signals disc .........4822 397 30184 Torx driver set T6-T20 .........4822 395 50145 Dolby Pro-logic Test Disc ........4822 395 10216 Torx driver T10 extended ........4822 395 50423...
  • Page 5 INSTRUCTIONS ON CD PLAYABILITY Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability Standard repair procedure playability ok ? clean the lens check playability Play a CD...
  • Page 6 INSTRUCTIONS ON CD PLAYABILITY PLAYABILITY CHECK LIQUID LENS CLEANING Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. For sets which are compatible with CD-RW discs This to avoid that little particles make scratches on use CD-RW Printed Audio Disc ....7104 099 96611 the lens.
  • Page 7 INSTRUCTIONS ON CD PLAYABILITY EYE-PATTERN SIGNAL – JITTER MEASUREMENT CD DRIVE – LASER CURRENT MEASUREMENT Measure the signal on the input of the Signal processor The laser current can be measured as a voltage drop on a using an analog oscilloscope. Please find the exact resistor.
  • Page 8: Block Diagram

    SET BLOCK DIAGRAM...
  • Page 9: Wiring Diagram

    SET WIRING DIAGRAM...
  • Page 10 PCB LAYOUT - CASSETTE BOARD...
  • Page 11 CIRCUIT DIAGRAM - CASSETTE BOARD...
  • Page 12 PCB LAYOUT - MAIN(MCU) & USB BOARD...
  • Page 13 CIRCUIT DIAGRAM - MAIN(MCU) BOARD - TUNER PART...
  • Page 14 CIRCUIT DIAGRAM - MAIN(MCU) & USB BOARD...
  • Page 15: Cd Board

    PCB LAYOUT - CD BOARD...
  • Page 16 CIRCUIT DIAGRAM - CD BOARD...
  • Page 17: Amp Board

    7-1A 7-1A PCB LAYOUT - AMP BOARD FOR VERSION /55/77/79...
  • Page 18 7-1B-1 7-1B-1 PCB LAYOUT - AMP BOARD FOR VERSION /12/05 TOP VIEW...
  • Page 19 7-1B-2 7-1B-2 PCB LAYOUT - AMP BOARD FOR VERSION /12/05 BOTTOM VIEW...
  • Page 20 7-2A 7-2A CIRCUIT DIAGRAM - AMP BOARD FOR VERSION /55/77/79/98...
  • Page 21 7 - 2B 7 - 2B CIRCUIT DIAGRAM - AMP BOARD FOR VERSION /12/05...
  • Page 22 SET MECHANICAL EXPLODED VIEW...
  • Page 23 CD MECHANISM SANYO DA11VF 996510002263 CASSETTE KEYS DOOR FOOT 996510002243 REMOTE RECEIVER LENS 996510002265 CASS KEYS DOOR SPRING 996510004639 FWM185 SPEAKER 8R 30W RIGHT 996510002246 CASS DOOR 996510004642 CASS DOOR /77/79/98 996510006807 SPEAKER (8R 30W) -L /98 996510004640 SPEAKER BOX ASS'Y 8R 30W -L...
  • Page 24 ELECTRICAL PARTSLIST CASSETTE BOARD MCU BOARD Q305 996500038838 TR NPN 2SC5343YPF (TO-92) IC201 994000004007 IC D7312 Q306 996510002285 TR NPN STD882 (TO-92)(TP) IC202 996500038832 IC LC75342-TLM-E Q307 996500038838 TR NPN 2SC5343YPF (TO-92) Q201 994000004004 CHIP TR NPN 8050C REM301 996510002274 SENSOR AT136BV3 36KHz 3.3V Q202 994000004004...
  • Page 25 ELECTRICAL PARTSLIST AMP & SPEAKER BOARD Q506 994000004005 CHIP TR PNP 8550D Q507 994000003972 CHIP TR MMBT9014C Q508 994000003972 CHIP TR MMBT9014C Q509 994000004004 CHIP TR NPN 8050C SP501 996510002296 SPEAKER TERMINAL 8POSITION TH501 996510002292 TRANSFORMER VDE-APP 230V Note: Only these parts mentioned in the list are normal service parts.
  • Page 26: Revision List

    REVISION LIST 1.0 Manual 3141 785 31680 Initial Service Manual released. 1.1 Manual 3141 785 31681 In this version, 1) the instruction of CD playability check is added. 2) Chapter 7 have been revised ---- add Schematics and PCB Layouts for version /05/12. 3) Version /77 &...

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