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Philips MCM204 Service Manual
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Philips MCM204 Service Manual

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See also: User Manual
Micro 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 SL 0719 Service Audio
Version 1.1
TABLE OF CONTENTS
Location of PCBs .................................................................. 1-2
Specifi cations ....................................................................... 1-3
Measurement Setup ............................................................. 1-4
Service Aids, Safety Instruction, etc ..................................... 1-5
CD Playability Check ..................................................1-6 to 1-8
Software Version Checking ..................................................... 2
Set Block Diagram ................................................................... 3
Set Wiring Diagram ................................................................. 4
Main & Power Board................................................................ 5
Front/MCU Board .................................................................... 6
CD MP3 Board ........................................................................ 7
Set Mechanical Exploded View & Parts List ............................ 8
Revision List ............................................................................ 9
Printed in The Netherlands
Subject to modification
MCM204
/all version
Page
CLASS 1
LASER PRODUCT
© 3141 785 31321

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  • 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: Location Of Pcbs

    LOCATION OF PCBs Main Board CD Drive CD MP3 Board Power Board Front / MCU Board Tape Deck...

  • Page 3: Specifications

    SPECIFICATIONS AMPLIFIER SPEAKERS Output power ........... 2 x 4W RMS Bass reflex system Signal-to-noise ratio ......60 dBA (IEC) Dimensions (w x h x d) . 146 x 228 x 160 (mm) Frequency response ....... 125 – 16000 Hz GENERAL INFORMATION Impedance loudspeakers ...........

  • Page 4: 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 5: 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 6: 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 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 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 9: Software Version Checking

    SOFTWARE VERSION CHECKING To hold DSC & SKIP NEXT depressed while set on standby Display shows the V refers to Version ROM version "VER y.yy MTP xx-xx-2007" y.yy refers to Software version number of the uProcessor (counting up from 01 to 99) xx refers to date number of the production.

  • Page 10: Set Block Diagram

    SET BLOCK DIAGRAM...

  • Page 11: Set Wiring Diagram

    SET WIRING DIAGRAM...

  • Page 12: Main & Power Board

    MAIN & POWER BOARD TABLE OF CONTENTS Layout Top View .............. 5-2 Layout Bottom View ............5-3 Circuit Diagram (AF&Power Part)........5-4 Circuit Diagram (Tape Part) ..........5-5 Circuit Diagram (Tuner Part) ..........5-6...
  • Page 13 PCB LAYOUT - MAIN & POWER BOARD (TOP VIEW)
  • Page 14 PCB LAYOUT - MAIN & POWER BOARD (BOTTOM VIEW)
  • Page 15 CIRCUIT DIAGRAM - MAIN & POWER BOARD AF & POWER PART...
  • Page 16 CIRCUIT DIAGRAM - MAIN BOARD TAPE PART...
  • Page 17 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART...

  • Page 18: Front/Mcu Board

    FRONT/MCU BOARD TABLE OF CONTENTS Layout Top View ............... 6-2 Layout Bottom View ............6-3 Circuit Diagram ..............6-4...
  • Page 19 PCB LAYOUT - FRONT/MCU BOARD (TOP VIEW)
  • Page 20 PCB LAYOUT - FRONT/MCU BOARD (BOTTOM VIEW)
  • Page 21 CIRCUIT DIAGRAM - FRONT/MCU BOARD...

  • Page 22: Cd Mp3 Board

    CD MP3 BOARD TABLE OF CONTENTS CD MP3 PCB - Layout Top View ........7-2 CD MP3 PCB - Layout Bottom View ........ 7-3 CD MP3 PCB - Circuit Diagram ........7-4 CD MP3 PCB - USB Part Circuit Diagram......7-5...
  • Page 23 PCB LAYOUT - CD MP3 BOARD (TOP VIEW)
  • Page 24 PCB LAYOUT - CD MP3 BOARD (BOTTOM VIEW)
  • Page 25 PCB LAYOUT - CD MP3 BOARD...
  • Page 26 PCB LAYOUT - CD MP3 BOARD USB PART...
  • Page 27 SET MECHANICAL EXPLODED VIEW...
  • Page 28 MECHANICAL & ACCESSORIES PARTS LIST 996510000877 SINGLE SPK BOX ASS'Y 996510000902 TRANSFORMER 230V T08405A 994000005398 CD MECHANISM DA11B3VF 994000002354 CD DOOR SWITCH DLS-02-W-1 996510000904 RUBBER FOOT 996510000905 CD DOOR SPRING 996510000906 FRONT CABINET 996510000907 REAR CABINET 996510000908 CD DOOR 996510000909 AC CORD VDE APP 2M /12 996510000859 AC CORD BS APP 2M /05...
  • Page 29 ELECTRICAL PARTS LIST - MAIN BOARD 994000001205 E.CAP 3300UF 35V +-20% 996510000878 TRANSISTORS SPD09P06PL C220 994000004351 TRIMMER 20PF 6mm (RED) 994000005384 TRANSISTOR KTK161GR C225 994000004351 TRIMMER 20PF 6mm (RED) 996500038609 TRANSISTOR 2W 8050C C236 994000000254 TRIMMER 10PF 6mm (WH) 994000004338 TRANSISTOR PMBT3904 994000003642 CERAMIC FILTER LT10.7MA5-A...
  • Page 30 ELECTRICAL PARTS LIST - POWER & FRONT/MCU BOARD 994000001225 SAFETY CAP 275V 0.22UF +-20% 994000001234 LED LAMP 3mm LB304V3CB-2B/01 996510000893 LED LAMP 3mm 1L034FV22G0CT001 994000000585 CERAMIC FUSE W/LEAD T2A/250V 994000003646 AXIAL IND. 10UH +-10% 500mA 994000003646 AXIAL IND. 10UH +-10% 500mA 996510000892 AC LINE FILTER 3mH 1A LFT20A-083 LCD1...
  • Page 31 ELECTRICAL PARTS LIST - CD MP3 BOARD 996510000899 CRYSTAL 14.318180 MHz D202 996510000896 SCHOTTKY BARRIER DIODE SK1217 IC201 996510000897 IC OTI-6888G USB DECODER IC204 994000002839 IC LM1117S-3.3 SOT-223 994000002447 IC AP1501-50T5 150KHz 996510000898 IC W27C512-45Z EPROM DIP28D-2 IC701 996500039807 IC (SANYO) LC78690NW-E IC702 994000004622 IC (SANYO) LA6548NH HSOP28H...

  • Page 32: Revision List

    REVISION LIST 1.0 Manual 3141 785 31320 Initial Service Manual released. 1.1 Manual 3141 785 31321 In this version, 1) the instruction of CD playability check is added. 2) Chapter 3 to Chapter 7 have been revised according to latest diagrams.

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