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Philips MCB240/22 Service Manual
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Philips MCB240/22 Service Manual

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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 1-6
Lead-free Information & Service Instruction .........................1-7
Preparations & Controls & Troubleshooting .............1-8 to 1-10
Disassembly Instructions & Service positions ......................... 2
Service Test Program ........................................................... 3-1
Set Block Diagram ................................................................ 4-1
Set Wiring Diagram .............................................................. 5-1
Power Board ............................................................................ 6
Main Board .............................................................................. 7
DAB Adapter/Power Key/Vol Board ......................................... 8
LCD & ANT Board ................................................................... 9
Navigation Key & Speaker Jack Board.................................. 10
Set Mechanical Exploded View & Parts List .......................... 11
Revision List .......................................................................... 12
©
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 SL0620 Service Audio
Version 1.1
Printed in The Netherlands Subject to modifi cation.
MCB240
Page
LASER PRODUCT
/22/25
CLASS 1
GB
3141 785 30511

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  • Page 1: Table Of Contents

    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 LOCATION OF PCBS VERSION VARIATIONS: Type /Versions: MCB240 Features & Board in used: Aux in / CDR in Line Out Video Out Surround Out Subwoofer Out Power Booster Out Digital Out Digital in Matrix Surround News Dolby Pro Logic (DPL) Incredible Surround Karaoke Features Voltage Selector...

  • Page 3: Specifi Cations

    SPECIFICATIONS GENERAL: COMPACT DISC: : 230V ± 10% Frequency response within ± 3dB : 80Hz - 12kHz Mains voltage Mains frequency : 50Hz Output level (in Vrms) : 500mV, Z = 100Ω Clock accuracy : < 4 seconds per day Signal/Noise ratio (A-weighted) : >...

  • 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 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 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. de levensduur drastisch doen verminderen. When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een connected with the same potential as the mass...
  • Page 7 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 PREPARATIONS AND CONTROLS...
  • Page 9 PREPARATIONS AND CONTROLS...
  • Page 10 1-10...
  • Page 11 1-11...
  • Page 12 DISMANTLING INSTRUCTIONS DISMANTLING INSTRUCTIONS Dismantling of the Rear Portion Repair Hints & Service Positions Dismantling of the Front Boards and CD Door Note: The flex cables are very fragile, care should be taken 1) Remove 11 screws A and B as indicated to remove the 1) Loosen 2 screws F1 to remove the DAB Adaptor Board.

  • Page 13: Service Test Program

    SERVICE TEST PROGRAM (I) MCU All Reset (IV) Tuner Alignment Set Test STEP 1: After plug in power, within 5 sec, on the front panel press "PRESET STEP 1: After plug in power, within 5 sec, on the front panel press "PRESET DOWN"...

  • Page 14: Set Block Diagram

    SET BLOCK DIAGRAM...

  • Page 15: Set Wiring Diagram

    SET WIRING DIAGRAM...

  • Page 16: Power Board

    Printed Circuit Board - Side A POWER BOARD Printed Circuit Board - Side A...
  • Page 17 CIRCUIT DIAGRAM...

  • Page 18: Main Board

    MAIN BOARD The board is not intented to be repaired on component level. Circuit Diagram and Printed Circuit Board drawings are published for orientation only. In case of defects please replace the entire board. The board can be ordered with codenumber "9940 000 02999" for /22/25.
  • Page 19 LAYOUT DIAGRAM - MAIN BOARD TOP SIDE...
  • Page 20 LAYOUT DIAGRAM - MAIN BOARD BOTTOM SIDE...
  • Page 21 CIRCUIT DIAGRAM - MAIN BOARD PART 1...
  • Page 22 CIRCUIT DIAGRAM - MAIN BOARD PART 2...
  • Page 23 CIRCUIT DIAGRAM - MAIN BOARD PART 3...
  • Page 24 CIRCUIT DIAGRAM - MAIN BOARD PART 4...
  • Page 25 CIRCUIT DIAGRAM - MAIN BOARD PART 5...
  • Page 26 CIRCUIT DIAGRAM - MAIN BOARD PART 6...
  • Page 27 7-10 7-10 CIRCUIT DIAGRAM - MAIN BOARD PART 7...
  • Page 28 7-11 7-11 CIRCUIT DIAGRAM - MAIN BOARD PART 8...
  • Page 29 7-12 7-12 LAYOUT DIAGRAM - HEADPHONE BOARD CIRCUIT DIAGRAM - HEADPHONE BOARD LAYOUT DIAGRAM - DOOR SWITCH BOARD CIRCUIT DIAGRAM - DOOR SWITCH BOARD...
  • Page 30 LAYOUT DIAGRAM - POWER KEY BOARD TOP SIDE DAB ADAPTOR BOARD LAYOUT DIAGRAM - POWER KEY BOARD BOTTOM SIDE The board is not intented to be repaired on component level. Circuit Diagram and Printed Circuit Board drawings are published for orientation only. LAYOUT DIAGRAM - VOLUME BOARD In case of defects please replace the entire board.
  • Page 31 LAYOUT DIAGRAM - DAB ADAPTOR BOARD TOP SIDE LAYOUT DIAGRAM - DAB ADAPTOR BOARD BOTTOM SIDE...
  • Page 32 CIRCUIT DIAGRAM - DAB ADAPTOR BOARD PART 1...
  • Page 33 CIRCUIT DIAGRAM - DAB ADAPTOR BOARD CIRCUIT DIAGRAM - POWER KEY BOARD PART 2 CIRCUIT DIAGRAM - VOLUME KEY BOARD...
  • Page 34 LAYOUT DIAGRAM - LCD BRACKET BOARD TOP SIDE LCD BRACKET BOARD LAYOUT DIAGRAM - LCD BRACKET BOARD BOTTOM SIDE The board is not intented to be repaired on component level. Circuit Diagram and Printed Circuit Board drawings are published for orientation only. In case of defects please replace the entire board.

  • Page 35: Navigation Key & Speaker Jack Board

    10-1 10-1 LAYOUT DIAGRAM - NAVIGATION KEY BOARD TOP SIDE NAVIGATION KEY BOARD & SPEAKER JACK BOARD LAYOUT DIAGRAM - NAVIGATION KEY BOARD BOTTOM SIDE LAYOUT DIAGRAM - SPEAKER JACK BOARD TOP SIDE...
  • Page 36 10-2 10-2 CIRCUIT DIAGRAM - NAVIGATION KEY BOARD CIRCUIT DIAGRAM - SPEAKER JACK BOARD...
  • Page 37 11-1 11-1 SET EXPLODED VIEW SCREW LIST...
  • Page 38 11-2 11-2 MECHANICAL & ACCESSORIES PARTS ELECTRICAL PARTS - MISCELLANEOUS ELECTRICAL PARTS LIST - DAB ADAPTOR BOARD DAB MODULE 9965 000 38175 DAB MODULE FS2023 /22 IC102 9940 000 03276 INFRARED RECEIVER DAB MODULE 9965 000 38176 DAB MODULE FS2020 /25 JA602 9940 000 03275 SPEAKER JACK...

  • Page 39: Revision List

    12-1 REVISION LIST 1.0 Manual 3141 785 30510 Initial Service Manual released. 1.1 Manual 3141 785 30511 In this version, Page 11-2 Electrical Parts List of DAB Adaptor Board Ass’y added.

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Mcb240/25

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