Philips MCM169 Service Manual
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Micro 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
Main board
Circuit diagram ..................................................................6-1..6-3
Layout diagram ..................................................................6-4..6-5
MCU board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3
Front 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..10-3
©
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 1047 Service Audio
Version 1.3
Subject to modification
MCM169
-/12/96
3141 785 33803

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Summary of Contents for Philips MCM169

  • Page 1: Table Of Contents

    Electrical parts list...............10-1..10-3 © 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

    Weight - With Packing 4.75 kg - Main Unit 1.95 kg - Speaker Box 2 x 1.2 kg VERSION VARIATION Type /Versions: MCM169 Service policy Board in used: FRONT BOARD MAIN BOARD MCU BOARD Type /Versions: MCM169 Features Feature diffrence RDS &...
  • 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 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 8 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 9 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 10 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 11: Block Diagram

    BLOCK DIAGRAM PICK-UP MECHA SANYO : DA-11B3VF ROHM MOTOR DRIVER RF AMP+SSP+DSP Tuner IC TB2132 (BA5826) (BU9543) HT1381 SDRAM MCS LOGIC BX8805 16Mbit MP3/WMA D/E + MCU +USB/CARD NOR FLASH SST39VF800A Socket SOUND CONTROL SW+VOL+EQ (ET2314) MP3 LINE LCD DRIVER HT1622 OR ET886 2 POWER AMP KEY &...
  • Page 12: Wiring Diagram

    WIRING DIAGRAM...
  • Page 14: Circuit Diagram

    CIRCUIT DIAGRAM - MAIN BOARD AF/AMP PART...
  • Page 15 CIRCUIT DIAGRAM - MAIN BOARD CD PART...
  • Page 16 CIRCUIT DIAGRAM - MAIN BOARD TUNER PART...
  • Page 17: Layout Diagram

    LAYOUT DIAGRAM - MAIN BOARD TOP SIDE...
  • Page 18: Layout Diagram

    LAYOUT DIAGRAM - MAIN BOARD BOTTOM SIDE...
  • Page 19 CIRCUIT DIAGRAM - MCU BOARD...
  • Page 20 LAYOUT DIAGRAM - MCU BOARD TOP SIDE...
  • Page 21 LAYOUT DIAGRAM - MCU BOARD BOTTOM SIDE...
  • Page 22 CIRCUIT DIAGRAM - DISPLAY BOARD...
  • Page 23 LAYOUT DIAGRAM - DISPLAY BOARD TOP SIDE...
  • Page 24 LAYOUT DIAGRAM - DISPLAY BOARD BOTTOM SIDE...
  • Page 25: Exploded View Diagram

    SET EXPLODED VIEW DIAGRAM...
  • Page 26: Mechanical Parts List

    9 - 2 MECHANICAL PARTSLIST (for -/12/96) 0080 994000005398 CD MECHANISM DA11B3VF 0104 996510008651 RUB FOOT DIA10mm T=4mm (GREY) (only for -/12) 0109 994000003674 CD DOOR SPRING (only for -/96) 0120 996510020788 FRONT CABINET 0121 996510020785 REAR CABINET (only for -/12) 0121 996510024806 REAR CABINET (only for -/96)
  • Page 27: Electrical Parts List

    10 - 1 ELECTRICAL PARTSLIST (only for -/12) MAIN BOARD ASSEMBLY CON703 996510005450 SPK JACK PT-22V11A F401 ! 994000000586 GLASS FUSE W/LEAD 3.15A/250V IC701 996500039806 IC ET2314 (SOP28) IC801 996510012556 IC XC6214P332 JACK1 994000004369 PHONE JACK TC38-063-05-0 996510010292 SMD TRANSISTORS MMBT3904 996510005251 MOSFET TRANSISTORS 2SK161-Y Q404...
  • Page 28 10 - 2 ELECTRICAL PARTSLIST (only for -/96) MAIN BOARD ASSEMBLY C220 994000004351 TRIMMER 20PF 6MM (RED) C225 994000004351 TRIMMER 20PF 6MM (RED) C236 994000000254 TRIMMER 10PF 6MM (WH) C406 996510024798 E.CAP 3300UF 25V +-20% 85C C734 996510024798 E.CAP 3300UF 25V +-20% 85C 994000003642 CER.
  • Page 29 10 - 3 ELECTRICAL PARTSLIST (only for -/96) MCU BOARD ASSEMBLY IC191 996510015481 IC HT1381 IC601 996510020772 IC SI636165TS IC602 996510022969 IC HWD809R 2.63V IC603 996510020775 MCU IC BX8805 IC605 996510020761 IC XC6206P122PR 1.2V IC607 996510020771 IC SST39VF800A X191 996510024804 CRYSTAL 32.768KHZ 3x8mm X600 996510008326...

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