Philips FWM375 Service Manual
Philips FWM375 Service Manual

Philips FWM375 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 SL0749 Service Audio
Version 1.1
TABLE OF CONTENTS
Specifi cations .............................................................. 1-1
Measurement Setup .................................................... 1-2
Service Aids, Safety Instruction, etc ..................1-3 to 1-5
Block Diagram ................................................................ 2
Wiring Diagram ............................................................... 3
Front Board .................................................................... 4
Hi AMP Board ................................................................. 5
Main Board ..................................................................... 6
Power /Low AMP Board .................................................. 7
Mechanical Exploded View & Parts List ......................... 8
Revision List ................................................................... 9
Printed in The Netherlands Subject to modifi cation.
FWM375/
Page
CLASS 1
LASER PRODUCT
GB
05/77/BK
3141 785 31931

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Summary of Contents for Philips FWM375

  • 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: Specification

    SPECIFICATION AMPLIFIER SPEAKERS 1 kHz System 1-way; 1 port bass reflex (low channel - both channels driven) ........... 30 W per channel (8 Impedance ................ 6 10 kHz Woofer ................1 x 4" Tweeter ..............1 x 1.5" (high channel - both channels driven) ...........
  • 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

    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: Customer Information

    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: Set Block Diagram

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

    SET WIRING DIAGRAM...
  • Page 10: Front Board

    PCB LAYOUT - FRONT BOARD (TOP VIEW)
  • Page 11 PCB LAYOUT - FRONT BOARD (BOTTOM VIEW)
  • Page 12: Circuit Diagram - Front Board

    CIRCUIT DIAGRAM - FRONT BOARD...
  • Page 13: Hi Amp Board

    PCB LAYOUT - HI AMP BOARD...
  • Page 14 CIRCUIT DIAGRAM - HI AMP BOARD...
  • Page 15: Pcb Layout - Main Board (Top View)

    PCB LAYOUT - MAIN BOARD (TOP VIEW)
  • Page 16: Pcb Layout - Main Board (Bottom View)

    PCB LAYOUT - MAIN BOARD (BOTTOM VIEW)
  • Page 17: Circuit Diagram - Main Board

    CIRCUIT DIAGRAM - MAIN BOARD...
  • Page 18 CIRCUIT DIAGRAM - MAIN BOARD TAPE PART...
  • Page 19: Power /Low Amp Board

    PCB LAYOUT - POWER /LOW AMP BOARD (TOP VIEW)
  • Page 20: Circuit Diagram - Power Board

    CIRCUIT DIAGRAM - POWER BOARD...
  • Page 21 CIRCUIT DIAGRAM - LOW AMP BOARD...
  • Page 22: Set Mechanical Exploded View

    SET MECHANICAL EXPLODED VIEW...
  • Page 23 996510005277 DISPLAY LENS 996510005261 REMOTE CONTROL 994000004588 KEYS DECORTIVE RING 996510005263 SPK BOX L+R 4X50W 6R 996510005270 3CDC DOOR 996510005260 PCBA-3CD "FWM375/78" 996510005267 FRONT CABINET J001 996510009411 14P FFC 1.25mm L160mm 994000004582 VOLUME KNOB J007 994000001192 AM LOOP ANTENNA LAN-031...
  • Page 24 ELECTRICAL PARTS LIST (ONLY FOR VERSION /77) ELECTRICAL PARTS LIST (ONLY FOR VERSION /77) C157 996510001309 E.CAP 4700UF 25V +-20% (PH) L401 994000003646 AXIAL INDUCTOR 10UH 10% 500MA SW408 994000001243 TACT SWITCH C350 996510005252 C.CAP 24PF 50V +-5% L402 994000003646 AXIAL INDUCTOR 10UH 10% 500MA SW409 994000001243 TACT SWITCH C801 ! 994000001225...
  • Page 25 ONLY FOR FWM375/05 ELECTRICAL PARTS LIST - FRONT BOARD ELECTRICAL PARTS LIST - MAIN BOARD ELECTRICAL PARTS LIST - MAIN BOARD D401 996500042437 CH-DIODE SS14 SMA/DO-214AC C157 996510001309 E.CAP 4700UF 25V +-20% (PH) U102 994000001201 IC NJM4556AM CF301 994000002857 CERAMIC FILTER SFU450B...
  • Page 26: Revision List

    REVISION LIST 1.0 Manual 3141 785 31930 Initial Service Manual released. 1.1 Manual 3141 785 31931 In this edition, the version /05 has been added. 1) Page 8-2 Mechanical & Accessories Parts List updated. 2) Page 8-4 have been added with version /05 Eletrical Partslist.

This manual is also suitable for:

Fwm375/05Fwm375/77Fwm375/bk

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