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Philips MCM275 Service Manual
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Philips MCM275 Service Manual

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Micro System
Service
Service
Service
Service
Service
Service Manual
From week 714 onwards, the CD Mechanism was changed to
Dayang M93. New CD & MCU Board was used to match with
the new CDM.
Please refer chapter 1 to 9 for sets produced before week 713 and
chapter 11 for sets produced in or after week 714.
Revision List ...........................................................................P11-1
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 0733 Service Audio
Version 1.4
TABLE OF CONTENTS
Printed in The Netherlands
Subject to modification
MCM275
all versions
COMPACT
DIGITAL AUDIO
CLASS 1
LASER PRODUCT
GB
3141 785 30334

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Summary of Contents for Philips MCM275

  • Page 1 Revision List ................P11-1 CLASS 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 VERSION VARIATIONS: Type /Versions: MCM275 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...
  • Page 3 SPECIFICATIONS GENERAL: Mains voltage : 127/240V -15%+10% Switchable for /98 Dynamic Bass Boost (DBB) : ON / OFF 120V ± 10% for /37 Input sensitivity 230V ± 10% for /05/12 Aux in (at 1kHz) : 500mV at 600 Ω Mains frequency : 50/60Hz USB : Host Clock accuracy...
  • Page 4 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 ESD Equipment: Service Tools: Universal Torx driver holder .........4822 395 91019 Anti-static table mat - large 1200x650x1.25mm ...4822 466 10953 anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx bit T10 150mm ...........4822 395 50456 Anti-static wristband ..........4822 395 10223 Torx driver set T6-T20 .........4822 395 50145 Connectorbox (1M Ω)
  • 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 CONTROLS & INSTALLATIONS...
  • Page 11 1-11 CONTROLS & INSTALLATIONS...
  • Page 12 1-12 TROUBLESHOOTING English...
  • Page 13 DISMANTLING INSTRUCTIONS Dismantling the Rear Portion and PCBs Dismantling the Rear Portion and PCBs 1) Press the 2 juts and pull out the Stand as shown in figure 5) Loosen 2 screws E to remove the Bracket Jack Board as shown in Figure 4.
  • Page 14 Dismantling of the CD Module & CD Door Carrier Service pos A 1) Loosen 5 screws J mounting the Key Board to the Front Cabinet to remove the Key Board as shown in figure 8. 2) Loosen 4 screws H and 3 screws G to CD Module as shown in figure 8.
  • Page 15 SERVICE TEST PROGRAM * Door switch is ignored → CD door can be opened. To enter Service Testprogram hold PLAY & Door Open/Close buttons depressed while plugging mainscord in. Display shows the MCU version V refers to Version "MCU-Vyy" yy refers to Software version number of the uProcessor (Main menu) (counting up from 01 to 99) DISPLAY...
  • Page 16 SET BLOCK DIAGRAM...
  • Page 17 SET WIRING DIAGRAM...
  • Page 18 BLOCK DIAGRAM - RDS/RBDS PRE-PROCESSOR SAA6588T BLOCK DIAGRAM MAIN BOARD TABLE OF CONTENTS Internal IC Diagram ..........6-1 to 6-5 Main Board(5757) Layout Top View ........ 6-6 Main Board(5757) Layout Bottom View ......6-7 Circuit Diagram - Main Board(5757) ....... 6-8 Main Board(5762) Layout Top View ........
  • Page 19 PIN DESCRIPTION - RDS/RBDS PRE-PROCESSOR BLOCK DIAGRAM - POWER AMPLIFIER SAA6588T TDA1517 BLOCK DIAGRAM PINNING SYMBOL DESCRIPTION SYMBOL DESCRIPTION PSWN pause s ve LOW) MPTH slav non-inverting mute switch TCON AFIN input 1 OSCO 5 V) 0 V) OSCI output 1 digital g 0 V) multiple...
  • Page 20 PIN DESCRIPTION - POWER AMPLIFIER BLOCK DIAGRAM - SELF TUNED RADIO TDA1517 TEA5757 PINNING BLOCK DIAGRAM supply voltage c t i handbook, halfpage INV1 SGND SVRR OUT1 PGND TDA1517 OUT2 M/SS INV2 MLC352 Pin configuration for SOT110-1 and SOT352-1.
  • Page 21 PIN DESCRIPTION - SELF TUNED RADIO PIN DESCRIPTION - SELF TUNED RADIO TEA5757 TEA5757 PINNING t i c l a i t i c l e l l e l l l i l e l l l i supply voltage e l l l l i l i p...
  • Page 22 BLOCK DIAGRAM - SELF TUNED RADIO PIN DESCRIPTION - SELF TUNED RADIO TEA5762 (FOR /12/05) TEA5762 (FOR /12/05) PINNING t i c l e l l l i supply voltage e l l l l i l i p AFC negative output AFC positive output supply voltage for tuning digital supply voltage...
  • Page 23 LAYOUT DIAGRAM - MAIN BOARD (5757) for /37/98 TOP SIDE...
  • Page 24 LAYOUT DIAGRAM - MAIN BOARD (5757) for /37/98 BOTTOM SIDE...
  • Page 25 CIRCUIT DIAGRAM - MAIN BOARD (5757) for /37/98...
  • Page 26 LAYOUT DIAGRAM - MAIN BOARD (5762) for /05/12 TOP SIDE...
  • Page 27 6-10 6-10 LAYOUT DIAGRAM - MAIN BOARD (5762) for /05/12 BOTTOM SIDE...
  • Page 28 6-11 6-11 CIRCUIT DIAGRAM - MAIN BOARD (5762) for /05/12...
  • Page 29 6-12 6-12 LAYOUT DIAGRAM - HP JACK BOARD LAYOUT DIAGRAM - HP JACK BOARD TOP SIDE BOTTOM SIDE CIRCUIT DIAGRAM - HP JACK BOARD...
  • Page 30 6-13 6-13 Q631 9940 000 02642 TRANSISTOR, 3CA8550 Q803 9940 000 04218 TRANS PHP20N06T RF401 9940 000 04237 FM MODULE FE450-G11. T401 9940 000 04518 AM IFT 7MM C712KC-004 T402 9940 000 04518 AM IFT 7MM C712KC-004 T403 9940 000 01213 AM IFT 7MM T404 9940 000 04519...
  • Page 31 CD & MCU BOARD TABLE OF CONTENTS Main Board Layout Top View ........... 7-2 Main Board Layout Bottom View ........7-3 Circuit Diagram - CD Part ..........7-4 Circuit Diagram - MCU Part ..........7-5 Layout Diagram - SW Board ........... 7-6 Electrical Parts List ............
  • Page 32 LAYOUT DIAGRAM - CD&MCU BOARD TOP SIDE...
  • Page 33 LAYOUT DIAGRAM - CD&MCU BOARD BOTTOM SIDE...
  • Page 34 CIRCUIT DIAGRAM - CD&MCU BOARD CD PORTION...
  • Page 35 CIRCUIT DIAGRAM - CD&MCU BOARD MCU PORTION...
  • Page 36 LAYOUT DIAGRAM - SW BOARD TOP SIDE LAYOUT DIAGRAM - SW BOARD BOTTOM SIDE...

  • Page 37: Table Of Contents

    IC BLOCK DIAGRAM - LCD DRIVER HT1622 Block Diagram AC POWER BOARD PIN DESCRIPTION - LCD DRIVER HT1622 Pad Description TABLE OF CONTENTS Chip selection input with Pull-high resistor. When the CS is logic high, the data and command read from or written to the HT1622 Internal IC Diagram ............

  • Page 38: Layout Diagram - Ac Power Board

    LAYOUT DIAGRAM - AC POWER BOARD LAYOUT DIAGRAM - AC POWER BOARD BOTTOM SIDE TOP SIDE...

  • Page 39: Circuit Diagram - Ac Power Board

    CIRCUIT DIAGRAM - AC POWER BOARD...

  • Page 40: Layout Diagram - Ac Socket Board

    LAYOUT DIAGRAM - AC SOCKET BOARD LAYOUT DIAGRAM - RC BOARD TOP SIDE TOP SIDE LAYOUT DIAGRAM - AC SOCKET BOARD LAYOUT DIAGRAM - RC BOARD BOTTOM SIDE BOTTOM SIDE LAYOUT DIAGRAM - DOOR MOTOR BOARD LAYOUT DIAGRAM - DOOR MOTOR BOARD TOP SIDE BOTTOM SIDE CIRCUIT DIAGRAM - RC BOARD...

  • Page 41: Display Board

    LAYOUT DIAGRAM - DISPLAY BOARD CIRCUIT DIAGRAM - DISPLAY BOARD TOP SIDE LAYOUT DIAGRAM - DISPLAY BOARD BOTTOM SIDE...

  • Page 42: Key Board

    LAYOUT DIAGRAM - KEY BOARD CIRCUIT DIAGRAM - KEY BOARD TOP SIDE LAYOUT DIAGRAM - KEY BOARD BOTTOM SIDE...
  • Page 43 LAYOUT DIAGRAM - SP & ANT BOARD CIRCUIT DIAGRAM - SP & ANT BOARD TOP SIDE LAYOUT DIAGRAM - SP & ANT BOARD BOTTOM SIDE...
  • Page 44 VR701 9940 000 04258 ROTARY ENCODER 9940 000 04251 EC TERMINAL 1P F901 9940 000 04243 FUSE PTU 1A 250V 3.9X10.5MM /37/98 RL901 9940 000 04246 RELAY DC6V AC10A /05/12/37 T901 9940 000 04244 POWER TRASFO AC230V /05/12 T902 9940 000 04245 POWER TRASFO AC230V /05/12 9940 000 04431 T901...
  • Page 45 SET MECHANICAL EXPLODED VIEW & ¡ ™ £ ‡ § • ª º ‹ · ›...
  • Page 46 & 9940 000 04295 LENS-CD DOOR /05/12 9940 000 04328 SPEAKER BOX ASSY T901 9940 000 04521 TRASFO AC120V 60HZ /37 9940 000 04329 FM ANT WIRE 75R 1.0M 9940 000 04417 LENS-CD DOOR /37/98 T902 9940 000 04522 TRASFO AC120V 60HZ /37 9940 000 04294 DOOR-CD 9940 000 04331...
  • Page 47 SET MECHANICAL EXPLODED VIEW & ¡ ™ £ ‡ § • ª º ‹ · ›...
  • Page 48 10-2 10-2 LAYOUT DIAGRAM - CD&MCU BOARD TOP VIEW...
  • Page 49 10-3 10-3 LAYOUT DIAGRAM - CD&MCU BOARD BOTTOM VIEW...
  • Page 50 10-4 10-4 CIRCUIT DIAGRAM - CD&MCU BOARD CD PORTION...
  • Page 51 10-5 10-5 CIRCUIT DIAGRAM - CD&MCU BOARD MCU PORTION...
  • Page 52 X501 994000005671 XTAL 32.768KHZ +/-20PPM 12PF X502 994000004266 X'TAL 4.194304MHZ 30PF ELECTRICAL PARTS LIST - MISCELLANEOUS 996510006731 CD/MCU BOARD MCM275(M93) /37 996510006482 CD MECHANISM CMS-M93BGPJ DI_CD 994000004271 FFC 12PIN P1.25MM L95MM KB_CD 996510006481 FFC 7P P1.25MM L155MM D TYPE MA_CD 994000004281 FFC 21P P1.25MM L110MM C TYPE...
  • Page 53 10-1 REVISION LIST 1.0 Manual 3141 785 30330 Initial Service Manual released. 1.1 Manual 3141 785 30331 In this version, Mechanical & Accessories Partslist (Page 9-2) has been updated, the Plastic Wall Plug is added to Mechanical and Accessories Parts List as below. 9940 000 04798 Plastic Wall Plug 1.2 Manual 3141 785 30332...