Philips FWM154 Service Manual

Philips FWM154 Service Manual

Mp3 mini hi-fi system
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MP3 Mini Hi-Fi System
CONTENTS
Technical specification ..................................................................1-2
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4
Instructions on CD playability ................................................2-1..2-2
Disassembly diagram............ .......................................................3-1
Block diagram ................................................................................4-1
Wiring diagram ..............................................................................4-2
CD board
Circuit diagram .........................................................................5-1
Layout diagram ..................................................................5-2..5-3
Display board
Circuit diagram .........................................................................6-1
Layout diagram ..................................................................6-2..6-3
©
Copyright 2009 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 LX 0907 Service Audio
Version 1.0
Subject to modification
AMP board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3
CASSETTE board
Circuit diagram .........................................................................8-1
Layout diagram ..................................................................8-2..8-3
Exploded view diagram .................................................................9-1
Mechanical parts list ......................................................................9-2
Electrical parts list...............................................................10-1..10-2
FWM154
-/12
3141 785 33360

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Summary of Contents for Philips FWM154

  • Page 1: Table Of Contents

    Layout diagram ..............6-2..6-3 © Copyright 2009 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: Technical Specification

    (8dB) Speakers S/N Ratio Speaker Impedance 8ohm Normal tape (type I) 35dBA <=0.4% DIN VERSION VARIATION Type /Versions: FWM154 Service policy Board in used: DISPLAY BOARD AUX BOARD CD BOARD AMP BOARD POWER STANDBY BOARD SPEAKER PLYWOOD BOARD CASSETTE BOARD...
  • Page 3 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 WARNING 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. Keep components and tools also at this potential.
  • Page 5: Instructions On Cd Playability

    2 - 1 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 playability ok ? Play a CD for at least 10 minutes check playability...
  • Page 6 2 - 2 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: Disassembly Diagram

    3 - 1 3 - 1 DISASSEMBLY DIAGRAM VIEW...
  • Page 8: Block Diagram

    4 - 1 4 - 1 SET BLOCK DIAGRAM...
  • Page 9: Wiring Diagram

    4 - 2 4- 2 SET WIRING DIAGRAM...
  • Page 10: Circuit Diagram

    5 - 1 5 - 1 CIRCUIT DIAGRAM - CD BOARD...
  • Page 11: Layout Diagram

    5 - 2 5 - 2 LAYOUT DIAGRAM - CD BOARD COMPONENT SIDE VIEW...
  • Page 12 5 - 3 5 - 3 LAYOUT DIAGRAM - CD BOARD COPPER SIDE VIEW...
  • Page 13: Circuit Diagram

    6 - 1 6 - 1 CIRCUIT DIAGRAM - DISPLAY BOARD...
  • Page 14: Layout Diagram

    6 - 2 6 - 2 LAYOUT DIAGRAM - DISPLAY BOARD COMPONENT SIDE VIEW...
  • Page 15 6 -3 6 - 3 LAYOUT DIAGRAM - DISPLAY BOARD COPPER SIDE VIEW...
  • Page 16: Circuit Diagram

    7 - 1 7 - 1 CIRCUIT DIAGRAM - CASSETTE BOARD...
  • Page 17: Layout Diagram

    7 - 2 7 - 2 LAYOUT DIAGRAM - CASSETTE BOARD COMPONENT SIDE VIEW...
  • Page 18 7 - 3 7 - 3 LAYOUT DIAGRAM - CASSETTE BOARD COPPER SIDE VIEW...
  • Page 19: Circuit Diagram

    8 - 1 8 - 1 CIRCUIT DIAGRAM - AMP BOARD...
  • Page 20: Layout Diagram

    8 - 2 8 - 2 LAYOUT DIAGRAM - AMP BOARD COMPONENT SIDE VIEW...
  • Page 21 8 - 3 8 - 3 LAYOUT DIAGRAM - AMP BOARD COPPER SIDE VIEW...
  • Page 22: Exploded View Diagram

    13 - 1 13 - 1 EXPLODED VIEW DIAGRAM...
  • Page 23: Mechanical Partslist

    9- 2 MECHANICAL PARTSLIST 996510021198 PROG. BUTTON 996510021207 OPEN/CLOSE BUTTON 996510021213 CD DOOR 996510021196 POWER BUTTON 996500038820 CD LOADER WXD-8210 (COMPLETED) 994000004727 7831 GEAR STAND (MODE:0.8) 996510021212 FERRITE RING 22.6x13.2x8mm(EP) 994000004734 CASS DECK CS-21SC-820T 994000004726 7831 GEAR (MODE:0.8) 996500038819 CD MECHANISM SANYO DA11VF 996510021222 CASS KEY DOOR 996510021219...
  • Page 24: Electrical Partslist

    10 - 1 ELECTRICAL PARTSLIST CD BOARD ASSEMBLY IC102 996510015912 IC LV23010V SSOP36 IC201 996510013420 IC 7314 (SOP 28P)(ANGUS)(EP) IC801 996510002298 IC LC78692W (CD DSP) SQFP80 IC802 996500038842 IC LA6548NH (4 CH DRIVER) Q101 994000004004 CHIP TR NPN 8050C Q602 996510010554 TR NPN KTD882 (TO-126) (EP) Q605...
  • Page 25 996510018244 ENCODER:EC121102X2B-HA1-137 X602 996500038822 CRYSTAL JF32.768kHz JU2x6 X603 996500038823 CRYSTAL 8MHz(HC-49US) AMP BOARD ASSEMBLY IC501 996510009066 IC TDA8948J (DBS17P)(PHILIPS) Q501 996510021217 TR PNP 2SB1274 (TO-220F) (EP) Q503 994000004004 CHIP TR NPN 8050C Q504 994000004004 CHIP TR NPN 8050C Q505 994000003972...

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