Philips MCM298 Service Manual
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Micro System
©
Copyright 2006 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 0629 Service Audio
Version 1.0
All manuals and user guides at all-guides.com
TABLE OF CONTENTS
Location of PC Boards & Versions Variation ........................ 1-2
Specifi cations ....................................................................... 1-3
Measurement Setup ............................................................. 1-4
Service Aids, Safety Instruction, etc ...........................1-5 to 1-7
Preparations & Controls ........................................... 1-8 to 1-11
Disassembly Instructions & Service positions ......................... 2
Service Test Program .............................................................. 3
Set Block Diagram ................................................................... 4
Set Wiring Diagram ................................................................. 5
Main Board .............................................................................. 6
ECO 6 Tuner Board : Systems Non Cenelec ........................ 7A
Power Board ............................................................................ 8
Display (MCU) Board............................................................... 9
Key Boards ............................................................................ 10
Set Mechanical Exploded View & Parts List .......................... 11
Printed in The Netherlands
Subject to modification
MCM298
Page
CLASS 1
LASER PRODUCT
© 3141 785 31140
/37/55

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Summary of Contents for Philips MCM298

  • Page 1 LASER PRODUCT © Copyright 2006 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: Version Variations

    All manuals and user guides at all-guides.com LACATION OF PCBS VERSION VARIATIONS: Type /Versions: MCM298 Features & Board in used: Aux in / CDR in Line Out Video Out Surround Out Subwoofer Out Digital Out Digital in Matrix Surround RDS/NEWS...
  • Page 3: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS Input sensitivity GENERAL: Aux in (at 1kHz) : 500mV at 600 ohm Mains voltage : 110-127V/220-240V Switchable for /55/98 CD (Audio Disc1) : 0dB track (Trk 35) 117V ± 10% for /37 220V ±...
  • Page 4: Measurement Setup

    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 5: Service Aids

    All manuals and user guides at all-guides.com SERVICE AIDS Service Tools: ESD Equipment: Universal Torx driver holder ........4822 395 91019 Anti-static table mat - large 1200x650x1.25mm ... 4822 466 10953 Torx bit T10 150mm ..........4822 395 50456 Anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx driver set T6 - T20 .........
  • Page 6: Class 1 Laser Product

    All manuals and user guides at all-guides.com WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically.
  • Page 7: Information About Lead-Free Soldering

    To avoid wear-out of tips switch off un-used equipment, or reduce heat. • Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free).
  • Page 8 All manuals and user guides at all-guides.com PREPARATIONS...
  • Page 9: Preparations & Controls

    All manuals and user guides at all-guides.com PREPARATIONS & CONTROLS...
  • Page 10 All manuals and user guides at all-guides.com 1-10 CONTROLS...
  • Page 11 All manuals and user guides at all-guides.com 1-11 CONTROLS AND TROUBLESHOUTING...
  • Page 12: Dismantling Instructions

    All manuals and user guides at all-guides.com DISMANTLING INSTRUCTIONS Detaching the Stands from the Speakers and Main Sets To detach the stand from the main unit, Detach the speaker stands in the same way as a. As shown, hold down PRESS you do the main unit stand b.
  • Page 13 All manuals and user guides at all-guides.com DISMANTLING INSTRUCTIONS Repair Hints & Service Positions Service position B 1) During repair it is possible to disconnect the Tuner Board Note: The flex cables are very fragile, care should be taken and/or CD Module completely unless the fault is sus- not to damage them during repair.
  • Page 14: Service Test Program

    All manuals and user guides at all-guides.com SERVICE TEST PROGRAM To hold ALBUM+ & PROGRAM depressed while set on standby Display shows the ROM version V refers to Version "Vy--y MTP xx-xx-2006" y--y refers to Software version number of the uProcessor (Main menu) (counting up from 01 to 99) xx refers to date number of the production.
  • Page 15: Set Block Diagram

    All manuals and user guides at all-guides.com SET BLOCK DIAGRAM...
  • Page 16: Set Wiring Diagram

    All manuals and user guides at all-guides.com SET WIRING DIAGRAM...
  • Page 17: Ftd Display Pin Connection

    All manuals and user guides at all-guides.com FTD DISPLAY PIN CONNECTION MAIN BOARD TABLE OF CONTENTS FTD Display Pin Connection ........... 6-1 Main PCB - Layout Top View ........... 6-2 Main PCB - Layout Bottom View ........6-3 Main PCB - Circuit Diagram (Audio Part) ......6-4 Main PCB - Circuit Diagram (CD Part) ......
  • Page 18: Pcb Layout - Main Board (Top View)

    All manuals and user guides at all-guides.com PCB LAYOUT - MAIN BOARD (TOP VIEW)
  • Page 19 All manuals and user guides at all-guides.com PCB LAYOUT - DISPLAY BOARD (BOTTOM VIEW)
  • Page 20 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - MAIN BOARD AUDIO PART...
  • Page 21 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - MAIN BOARD CD PART...
  • Page 22 All manuals and user guides at all-guides.com PCB LAYOUT - CLASS D POWER BOARD...
  • Page 23: Block Diagram

    All manuals and user guides at all-guides.com 7A-1 7A-1 BLOCK DIAGRAM TUNER BOARD ECO 6 Systems Vcc1 buffer ampl. Stab Stab Discriminator FM-RF FM-IF 1 FM-IF 2 (MPX) Vcc2 1101 Loop (1102) LF filter 10,7 MHz 10,7 MHz 10,7 MHz 1120 left left...
  • Page 24: Tuner Board Eco6

    All manuals and user guides at all-guides.com 7A-2 7A-2 1101 A1 1102 B1 1103 F2 1120 E14 1130 A2 TUNER BOARD ECO6 1131 B2 / SYSTEMS NON CENELEC 1132 G13 2101 B3 VERSION PROGRAMMING COMPONENTS 2102 B1 1101 2103 C7 2105 2104 B3 AM-IF1...
  • Page 25: Tuner Adjustment Table

    All manuals and user guides at all-guides.com 7A-3 7A-3 1101 A6 1120 A4 1132 A5 2128 C4 2138 C2 3142 D2 5110 B3 5114 A2 5123 D5 7112 C1 9104 B5 9107 D4 TUNER ADJUSTMENT TABLE ( ECO6 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) 1102 B6 1130 B5 2106 C5...
  • Page 26 All manuals and user guides at all-guides.com 7A-4 7A-4 Electrical Partslist ECO6 SYSTEMS NON CENELEC MISCELLANEOUS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1101 2422 015 19376 SOCKET 2P CLICKFIT 3143 © 4822 051 20223 22kΩ 0,1W USA only RDS only 1102 4822 267 10283 SOCKET COAX, IEC 75Ω...
  • Page 27: Power Board

    All manuals and user guides at all-guides.com BRIEF INTRODUCTION OF THE MAINS BOARD ECO Power Standby Transformer TRS2 provides the LPS supply to control the relay REL1, cutting of the Mains supply to the Mains transformer during the ECO Power (standby) mode. POWER BOARD TABLE OF CONTENTS Brief Introduction ..............
  • Page 28 All manuals and user guides at all-guides.com PCB LAYOUT - ECO POWER BOARD...
  • Page 29: Display Board

    All manuals and user guides at all-guides.com DISPLAY BOARD TABLE OF CONTENTS Display PCB - Layout Top View ........9-2 Display PCB - Layout Bottom View ......... 9-3 Display PCB - Circuit Diagram ........9-4...
  • Page 30 All manuals and user guides at all-guides.com PCB LAYOUT - DISPLAY BOARD (TOP VIEW)
  • Page 31 All manuals and user guides at all-guides.com PCB LAYOUT - DISPLAY BOARD (BOTTOM VIEW)
  • Page 32 All manuals and user guides at all-guides.com CIRCUIT DIAGRAM - DISPLAY BOARD...
  • Page 33 All manuals and user guides at all-guides.com 10-1 10-1 KEY BOARD TABLE OF CONTENTS KEY1 PCB - Layout Top View ........10-2 KEY1 PCB - Circuit Diagram Part ........10-2 KEY2 PCB - Layout Top View ........10-3 KEY2 PCB - Circuit Diagram Part ........10-3...
  • Page 34 All manuals and user guides at all-guides.com 10-2 10-2 PCB LAYOUT - KEY1 BOARD (TOP VIEW) CIRCUIT DIAGRAM - KEY1 BOARD...
  • Page 35 All manuals and user guides at all-guides.com 10-3 10-3 PCB LAYOUT - KEY2 BOARD CIRCUIT DIAGRAM - KEY2 BOARD...
  • Page 36 All manuals and user guides at all-guides.com 11-1 11-1 SET MECHANICAL EXPLODED VIEW...
  • Page 37 All manuals and user guides at all-guides.com 11-2 11-2 MECHANICAL & ACCESSORIES PARTS LIST ELECTRICAL PARTS LIST - MISCELLANEOUS 9965 000 40394 PLATE SHEET 9940 000 00308 AM/FM ANT (75R) ASS'Y 9965 000 40404 TRANSFORMER 120V R25 9965 000 40380 CONTROL PANEL 9965 000 40091 MAIN SET STAND ASSEMBLY...

This manual is also suitable for:

Mcm298/37Mcm298/55Mcm298/98

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