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Philips MCM395/12 Service Manual
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Philips MCM395/12 Service Manual

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Micro System
©
Copyright 2008 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 SL 0822 Service Audio
Version 1.1

TABLE OF CONTENTS

PCBs Location ...................................................................... 1-2
Specifi cations ....................................................................... 1-3
Measurement Setup ............................................................. 1-4
Service Aids, Safety Instruction, etc ...........................1-5 to 1-7
Software Version Checking ..................................................... 2
Set Block Diagram ................................................................... 3
Set Wiring Diagram ................................................................. 4
Main & Headphone & AUX Board............................................ 5
Panel Board ............................................................................. 6
AMP Board .............................................................................. 7
Rectifi er & USB Board ............................................................. 8
Set Mechanical Exploded View & Parts List ............................ 9
Revision List ........................................................................... 10
Printed in The Netherlands
Subject to modification
MCM395
Page
CLASS 1
LASER PRODUCT
© 3141 785 32501
/12

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Summary of Contents for Philips MCM395/12

  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2008 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: Pcbs Location

    1 - 2 PCBS LOCATION MAIN BOARD AMP BOARD PANEL BOARD HEADPHONE BOARD USB BOARD AUX BOARD RECTIFIER BOARD CONNECTION BOARD VERSION VARIATIONS Type /Versions: MCM395 Service policy Board in used: MAIN BOARD RECTIFIER BOARD PANEL BOARD AMP BOARD ECO POWER BOARD USB BOARD AUX &...
  • Page 3 SPECIFICATIONS SPEAKERS AMPLIFIER 2-way Bass reflex system Output power ........2 x 50 W RMS ............100 W + 100 W MPO GENERAL INFORMATION Signal-to-noise ratio ......62 dBA (IEC) Frequency response ..40 – 15000 Hz, ± 3 dB AC Power ........

  • Page 4: Measurement Setup

    1 - 4 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 5 1 - 5 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 6 1 - 6 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 7 1 - 7 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 8: Software Version Checking

    2 - 1 2 - 1 SOFTWARE VERSION CHECKING 1) MCU version : at standby mode, press and hold "PLAY" button at least 5 seconds. 2) USB version : select source - USB, press and hold "STOP" & "SOURCE" buttons at least 5 seconds.

  • Page 9: Set Block Diagram

    3 - 1 4 - 1 SET BLOCK & WIRING DIAGRAM...
  • Page 10 PCB LAYOUT - MAIN BOARD (TOP VIEW)
  • Page 11 PCB LAYOUT - MAIN BOARD (BOTTOM VIEW)
  • Page 12 CIRCUIT DIAGRAM - MAIN BOARD PART1...
  • Page 13 CIRCUIT DIAGRAM - MAIN BOARD PART2...
  • Page 14 PCB LAYOUT - HEADPHONE BOARD (TOP VIEW) PCB LAYOUT - HEADPHONE BOARD (BOTTOM VIEW)
  • Page 15 PCB LAYOUT - AUX BOARD (TOP VIEW) PCB LAYOUT - AUX BOARD (BOTTOM VIEW)
  • Page 16 CIRCUIT DIAGRAM - HEADPHONE & AUX BOARD...
  • Page 17 PCB LAYOUT - PANEL BOARD (TOP VIEW)
  • Page 18 PCB LAYOUT - DISPLAY BOARD (BOTTOM VIEW)
  • Page 19 CIRCUIT DIAGRAM - PANEL BOARD...
  • Page 20 PCB LAYOUT - AMP BOARD (TOP VIEW)
  • Page 21 PCB LAYOUT - AMP BOARD (BOTTOM VIEW)

  • Page 22: Amp Board

    CIRCUIT DIAGRAM - AMP BOARD...
  • Page 23 PCB LAYOUT - RECTIFIER BOARD (TOP VIEW)
  • Page 24 PCB LAYOUT - RECTIFIER BOARD (BOTTOM VIEW)
  • Page 25 CIRCUIT DIAGRAM - RECTIFIER BOARD...
  • Page 26 PCB LAYOUT - USB BOARD (TOP VIEW) PCB LAYOUT - USB BOARD (BOTTOM VIEW)
  • Page 27 9 - 1 9 - 1 SET MECHANICAL EXPLODED VIEW...
  • Page 28 MECHANICAL & ACCESSORIES PARTS LIST 996510012849 TOP CABINET 996510012850 BOTTOM CABINET 996510012798 REAR CABINET 996510012851 VOLUME KNOB 996510012852 CONTROL KNOB-TOP-LEFT 996510012853 CONTROL KNOB-TOP-RIGHT 996510012799 CD DOOR 996510012854 POWER LIGHT GUIDE 994000005786 CD MECHANISM DA11VF 996510000871 CD TRAY LOADER 994000001452 DC BRUSHLFSS COOLING FAN 996510012855 FM TUNER MODULE 996510012800...
  • Page 29 ELECTRICAL PARTS LIST 996510012836 996510004553 C2010 E.CAP. 3300UF 35V LED701 LED INDICATOR D3mm WHITE 996510012836 996510004553 C2011 E.CAP. 3300UF 35V LED702 LED INDICATOR D3mm WHITE 996510012837 996510004553 C2101 CBB CAP HMFS-5 0.68UF 63V LED703 LED INDICATOR D3mm WHITE 996510012837 996510012830 C2102 CBB CAP HMFS-5 0.68UF 63V LED704...
  • Page 30 ELECTRICAL PARTS LIST 996500039269 SW710 TACT SWITCH 996500039269 SW711 TACT SWITCH 996500039269 SW712 TACT SWITCH T101 ! 996510001418 TRANSFORMER STANDBY 994000003226 T104 AC LINE FILTER 400UH -30% 996500039259 IC PT4800(L) DIP-8 PIN 996510005000 X101 X'TAL 12MHZ 49S 20PF+/-20PPM X602 994000003208 X'TAL 32.768KHZ 12.5PF -10P X701 996510012834...

  • Page 31: Revision List

    10-1 REVISION LIST 1.0 Manual 3141 785 32500 Initial Service Manual released. 1.1 Manual 3141 785 32501 In this version, on Page 1-2, Version Variations added and Page 7-3 AMP Board Circuit Diagram updated.