Philips MCM700/12 Service Manual
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Philips MCM700/12 Service Manual

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Micro System

TABLE OF CONTENTS

Technical specification .................................................................. 1-1
Service Measurement setup ......................................................... 2-1
Service Aids & Leadfree & safety information .............................. 2-2
CD Playability Checking ....................................................... 2-3...2-5
Preparations and Controls .................................................... 3-1...3-3
Disassembly Instruction ....................................................... 4-1...4-2
Software Checking ........................................................................ 5-1
Block diagram................................................................................ 6-1
Wiring diagram ............................................................................. 6-2
VFD / Key Board Assembly
circuit diagram .......................................................................... 7-1
layout diagram .......................................................................... 7-2
CD Block
circuit diagram .......................................................................... 8-1
layout diagram ................................................................ 8-2 to 8-3
©
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 0839 Service Audio
Version 1.5
Subject to modification
Tuner board
circuit diagram. ......................................................................... 9-1
layout diagram .......................................................................... 9-2
CD / MPEG board
circuit diagram .............................................................. 10-1...10-4
AMP Block
AMP Board
circuit diagram.........................................................................11-1
layout diagram .........................................................................11-2
Pre-AMP Board
circuit diagram........................................................................ 11-3
layout diagram .........................................................................11-4
Exploded View Diagram ............................................................... 12-1
Mechanical partslist ........................................................... 12-2...12-3
Electrical partslist .............................................................. 13-1...13-2
Revision List ................................................................................ 14-1
LASER PRODUCT
MCM700
/12
CLASS 1
© 3141 785 31755

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  • Page 1 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: General Information

    1 - 1 SPECIFICATION AMPLIFIER USB PLAYER Output power ........2 x 50 W RMS USB ..............12Mb/s, V1.1 Signal-to-noise ratio ........70 dBA ......... support MP3 and WMA files Frequency response ..20 Hz – 20 KHz, ± 3 dB Number of albums/folders ....

  • Page 3: Service Measurement

    2 - 1 SERVICE MEASUREMENT Tuner FW 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: Laser Product

    2 - 2 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...
  • Page 5 2 - 3 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...
  • Page 6 2 - 4 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 2 - 5 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.
  • Page 8 3 - 1 PREPARATIONS...
  • Page 9 3 - 2 CONTROLS...
  • Page 10 3 - 3 CONTROLS AND TROUBLESHOOTING...
  • Page 11 4 - 1 4 - 1 DISASSEMBLY INSTRUCTION - CD PART...
  • Page 12 4 - 2 4 - 2 DISASSEMBLY INSTRUCTION - TUNER & AMP PART...

  • Page 13: Version

    SOFTWARE VERSION CHECKING CD/MP3 VERSION CHECK 1. Press DISPLAY button on remote control 4 times, display shows as below: 1. Keep PLAY/PAUSE & STOP buttons (on the set) depressed while plug in the power cord. VFD shown as below: device...

  • Page 14: Block Diagram

    6 - 1 6 - 1 SET BLOCK DIAGRAM...

  • Page 15: Wiring Diagram

    6 - 2 6 - 2 SET WIRING DIAGRAM...
  • Page 16 7 - 1 7 - 1 CIRCUIT DIAGRAM - VFD / KEY BOARD ASSEMBLY VFD701 MCD-7 R703 CN701 NE-1300CD-3.G 2.2/0.5 -24V 2.0/3P MCD-14 R704 2.2/0.5 CN1401 KEY1-1 KEY2-1 KEY3-1 KEY4-1 KS2-1 2.0/5P SW706 C704 CN704 STB1 CN1501 DATA S701 KS3-2 V-GND V-GND SW1501...

  • Page 17: Layout Diagram

    7 - 2 7 - 2 LAYOUT DIAGRAM - VFD / KEY BOARD ASSEMBLY COMPONENT SIDE SW706...
  • Page 19 8 - 2 8 - 2 LAYOUT DIAGRAM - CD BLOCK COMPONENT SIDE...
  • Page 20 9 - 1 9 - 1 CIRCUIT DIAGRAM - TUNER BOARD TUNE1 KST-F404 10.7M T104 IF-OUT 10.7M FM FRONTEND OSC-OUT AM/FM 10uF TEA5762 RIPPLE FM-IF2-IN 100uF AM-RF AM-AFC FM-GND JACK1 2.2K FM RF GND RF-GND1 ENABLE/MPX DATA FM-OSC WRITE-EN CLOCK FM ANT ST/NO AM-OSC...
  • Page 21 9 - 2 9 - 2 LAYOUT DIAGRAM - TUNER BOARD...
  • Page 22 10 - 1 10 - 1 CIRCUIT DIAGRAM - SERVO BOARD(MPEG DECODER CARD ASS’Y) (This Board is not intended to repair. The diagram for reference...
  • Page 23 10 - 4 10 - 4 LAYOUT DIAGRAM - SERVO BOARD(MPEG DECODER CARD ASS’Y) (This Board is not intended to repair. The diagram for reference)
  • Page 24 11 - 1 11 - 1 LAYOUT DIAGRAM - AMP BOARD R303 +12V R300 2.2K C300 R304 4.7K Q300 C338 R310 DZ300 10uF 5.6K C324 C326 BC817B R313 5.1V 100UF/16V Vddp2 Vssp2 C348 R316 C356 C359 C360 C361 C330 C355 220P C350 C374...
  • Page 25 11 - 2 11 - 2 LAYOUT DIAGRAM - AMP BOARD...
  • Page 27 11 - 4 11 - 4 LAYOUT DIAGRAM - AMP BLOCK LAYOUT DIAGRAM - AMP BLOCK PRE-AMP BOARD HP & VOLUME & SWITCH BOARD...

  • Page 28: Exploded View Diagram

    12 - 1 12 - 1 EXPLODED VIEW DIAGRAM CD PART AMP PART...
  • Page 29 12-2 MECHANICAL & ACCESSORIES PARTS LIST - AMP PART 996500041980 CABINET BOTTOM 996510003235 MCM700 AMP UNIT DISPLAY LENS 996510003233 VOLUME KNOB MCD700 996500041982 AMP CABINET FRONT 996500042075 SIDE PLATE-L ASH 996500042061 MCD700 AMP CABINET TOP 996510003234 MCD700 AMP BACK CABINET 996500042076 SIDE PLATE-R ASH 994000005075...
  • Page 30 12-3 MECHANICAL & ACCESSORIES PARTS LIST - CD PART 996510003058 MCM700 DISPLAY LENS 994000002497 POWER BUTTON 996510003052 MCD700 FUNCTION KNOB 996510003060 MCD700 SWITCH PUSH KNOB 996510003055 MCM700 FRONT PANEL 996510003059 MCD700 TOP BUTTON 996500042075 SIDE PLATE-L ASH 996510003056 MCD700 CD TOP CABINET 996500041006 MCM700 CD DOOR 996500041989...
  • Page 31 13-1 ELECTRICAL PARTS LIST - AMP PART 996510006394 SWITCH POWER BOARD POW280 160W PRE-AMP PCB ASS'Y MCM700 J103 996500042474 4 PINS RCA SOCKET RCA-407 U104 994000005136 I.C.PT2314 PRINCETON U106 994000004952 IC PT2309-S(L) PHONE PCB ASS'Y MCM700 J200 996510003230 HEADPHONE SOCKET D3.5 VOLUME PCB ASS'Y MCM700 COD301 996500041645 ROT ENCODER...
  • Page 32 13-2 ELECTRICAL PARTS LIST - CD PART 996510002977 MOTOR PCB ASS'Y MCM700 SERVO PCB ASS'Y M5671U-A1 (only for reference) 996510002981 IC EN25P10(SOP-8) DOOR SWITCH PCB ASS'Y MCM700 996510002987 XTAL OSCILLATOR 16.9344MHZ SW401 996510002972 SPECIAL SWITCH TC-V030A 996510002986 XTAL OSC FREQ 12mHz 20PPm SW402 996510002972 SPECIAL SWITCH TC-V030A 996510002988...

  • Page 33: Revision List

    FUNCTION KNOB RING MCM700 DVD FRONT COVER POWER BUTTON MCM700 USB BRACKET MCM700 USB COVER PANEL PAD H=4.5 MCM700/12 DISPLAY LENS BLACK SPONGE 35X6X1 40° METAL PLATE 11X7X1 D3 SCREW 2.6X8 FA (PLATING) SCREW 2.6X6 PT (PLATING) SCREW 2.6X8 PT (PLATING) 1.3 Manual 3141 785 31755...
  • Page 34 14 -2 996510013934 -- CD FRONT SEMI-ASSEMBLED PARTS: Remark: 996510013934 not include wires and cables.

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