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Philips FWM462 Service Manual

Philips FWM462 Service Manual

280w mini hi-fi system
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280W Mini Hi-Fi System
CONTENTS
Technical specification ..................................................................1-2
Version variation ...........................................................................1-2
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4
Instructions on CD playability ................................................2-1..2-2
Block diagram ................................................................................3-1
Wiring diagram ..............................................................................4-1
Disassembly diagram............ ................................................5-1..5-2
Main board
Circuit diagram .........................................................................6-1
Layout diagram ..................................................................6-2..6-3
AC board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3
Display board
Circuit diagram .........................................................................8-1
Layout diagram ..................................................................8-2..8-3
©
Copyright 2010 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 1023 Service Audio Subject to modification
Version 1.0
All manuals and user guides at all-guides.com
AMP & Power Board
Circuit diagram. ........................................................................9-1
Layout diagram ..................................................................9-2..9-3
Tuner board
Circuit diagram .......................................................................10-1
Layout diagram .......................................................................10-2
CD Board
Circuit diagram. ...................................................................... 11-1
Layout diagram .............................................................. 11-2..11-3
MCU Board
Circuit diagram. .............................................................12-1..12-2
Layout diagram ..............................................................12-3..12-4
Exploded view diagram ...............................................................13-1
FWM462
-/55/77/BK
3141 785 35290

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Summary of Contents for Philips FWM462

  • Page 1 Layout diagram ..............8-2..8-3 © Copyright 2010 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 • Tuner Bands: MW, FM Stereo • Power supply: 100-240VAC, 50/60Hz • Tuner Enhancements: Auto Store, Easy Set (Plug & • Play) VERSION VARIATION Type /Versions: FWM462 Service policy Board in used: AC BOARD MAIN BOARD TUNER BOARD AMP & POWER BOARD...
  • Page 3 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 5 All manuals and user guides at all-guides.com 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...
  • Page 6 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com BLOCK DIAGRAM TUNER ET8862& SI4730 KEY PART 3CD LOADER 3CDC MOTOR DRIVER DRIVER IC BA5826 FAN8100N PICK UP CONTROL DATA MOTOR 8M SERIAL MOTOR FALSH SST29VF080B CD SERVO BU9543 BX8800 16M SDRAM 128pin QFP CD PCM BCK,LRCK, DATE...
  • Page 8 All manuals and user guides at all-guides.com WIRING DIAGRAM KEY1 BOARD MCU BOARD DISPLAY BOARD CD BOARD MAIN BOARD AMP BOARD AC BOARD...
  • Page 9 All manuals and user guides at all-guides.com...
  • Page 10 All manuals and user guides at all-guides.com...
  • Page 11 R620 NJM4556AM LEFT C608 1UF R6612K2 330N BAS316 D606 AUX601 R635 C648 100P Z602 MUTE C613 C655 100U 6V2(6v8 FOR FWM462) C609 100P R686 1M AMP_ALC R618 LIN-R D604 RIGHT C658 C653 33P R619 BAS316 C667 LIN-L R610 100P 0.47U...
  • Page 12 All manuals and user guides at all-guides.com LAYOUT DIAGRAM - MAIN BOARD TOP SIDE...
  • Page 13 All manuals and user guides at all-guides.com LAYOUT DIAGRAM - MAIN BOARD BOTTOM SIDE...
  • Page 14 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - AC BOARD D815 1N5402 C806 C802 C803 0.02U 3300UF/50V CON801 D817 1N5402 R801 10K +32V C826 0.02U R836 D816 1N5402 T801 C804 0.02U -32V F805 ONLY FOR ECO FWM452/55 D818 1N5402 C828 C821...
  • Page 15 All manuals and user guides at all-guides.com PCB LAYOUT - AC BOARD...
  • Page 16 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - DISPLAY BOARD KEY1 C9065 4N7 C9013 0.47/50V R9023 10K C9017 MIC-OUT R9026 SW901 C9009 470N 10U/16V SW911 R9007 SW921 VCC10V CN908 R9011 STOP VR901 C9014 R9025 DISPAY Q971 R9009 C9007 50K x2 100P BC857B...
  • Page 17 All manuals and user guides at all-guides.com LAYOUT DIAGRAM - DISPLAY BOARD TOP SIDE...
  • Page 18 All manuals and user guides at all-guides.com LAYOUT DIAGRAM - DISPLAY BOARD BOTTOM SIDE...
  • Page 19 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - AMP BOARD STK433-870(ZIP23) FOR FWM452 STK433-090 FOR FWM462 U701 C763 100N C701 470N R725 L703 11T5 R762 C702 470N C746 100P R798 R705 R728 R706 C747 C739 R746 R736 R771...
  • Page 20 All manuals and user guides at all-guides.com PCB LAYOUT - AMP BOARD TOP SIDE...
  • Page 21 All manuals and user guides at all-guides.com PCB LAYOUT - AMP BOARD BOTTOM SIDE...
  • Page 22 All manuals and user guides at all-guides.com 10-1 10-1 CIRCUIT DIAGRAM - TUNER BOARD...
  • Page 23 All manuals and user guides at all-guides.com 10-2 10 - 2 LAYOUT DIAGRAM - TUNER BOARD...
  • Page 24 All manuals and user guides at all-guides.com 11-1 11-1 CIRCUIT DIAGRAM-CD BOARD...
  • Page 25 All manuals and user guides at all-guides.com 11-2 11-2 LAYOUT DIAGRAM-CD BOARD TOP SIDE...
  • Page 26 All manuals and user guides at all-guides.com 11-3 11-3 LAYOUT DIAGRAM-CD BOARD BOTTOM SIDE...
  • Page 27 All manuals and user guides at all-guides.com 12-1 12-1 CIRCUIT DIAGRAM - MCU BOARD PART1 R103 place GND Arround Track M40 R116 Close pin52 PWR_DET R143 C156 TU_SCLK C157 TU_SCLK TU-SDA L109 470R C159 C158 C177 C155 IC104 IC102 AD5/EAD5 VDD1 VSS6 DQ15...
  • Page 28 All manuals and user guides at all-guides.com 12-2 12-2 CIRCUIT DIAGRAM - MCU BOARD PART2 R533 C536 3U3/50v CD-R This GND R535 2K2 must be C520 100n C532 use AGND C533 R536 470P 470P C519 100u/16v R531 2K2 CD+8V C531 R537 C534 470P...
  • Page 29 All manuals and user guides at all-guides.com 12-3 12-3 PCB LAYOUT - MCU BOARD TOP SIDE...
  • Page 30 All manuals and user guides at all-guides.com 12-4 12-4 PCB LAYOUT - MCU BOARD BOTTOM SIDE...
  • Page 31 All manuals and user guides at all-guides.com 13-1 13-1 SET EXPLODED VIEW...

This manual is also suitable for:

Fwm462/55Fwm462/77Fwm462/bk