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Philips MCM276R/37 Servise Manual
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Philips MCM276R/37 Servise Manual

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Micro System
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
Lead-free Information & Service Instruction .........................1-8
Preparations & Controls ...........................................1-9 to 1-10
Troubleshooting .................................................................. 1-11
Disassembly Instructions & Service positions ......................... 2
Service Test Program ........................................................... 3-1
Set Block Diagram ................................................................ 4-1
Set Wiring Diagram .............................................................. 5-1
Main Board .............................................................................. 6
AC Power Board ...................................................................... 7
CD/MCU Board........................................................................ 8
Mechanical Exploded View & Parts List .................................. 9
Revision list ........................................................................... 10
©
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 SL0745 Service Audio
Version 1.1
Printed in The Netherlands Subject to modifi cation.
MCM276R
Page
LASER PRODUCT
/37
CLASS 1
GB
3141 785 31241

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Summary of Contents for Philips MCM276R/37

  • 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 VERSION VARIATIONS: Type /Versions: MCM276R 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 ECO Power Standby (LCD Display Off)

  • Page 3: Specifications

    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

    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: Laser Product

    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 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 9: Figure

    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 10: Figure

    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 11: Set Block Diagram

    SET BLOCK DIAGRAM...

  • Page 12: Set Wiring Diagram

    SET WIRING DIAGRAM...
  • Page 13 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 HP Jack Board ..............
  • Page 14 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 15 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 16 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 17 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 18 LAYOUT DIAGRAM - MAIN BOARD(5757) for /37/98 TOP SIDE...
  • Page 19 LAYOUT DIAGRAM - MAIN BOARD(5757) for /37/98 BOTTOM SIDE...
  • Page 20 CIRCUIT DIAGRAM - MAIN BOARD (5757) for /37/98...
  • Page 21 LAYOUT DIAGRAM - HP JACK BOARD LAYOUT DIAGRAM - HP JACK BOARD TOP SIDE BOTTOM SIDE CIRCUIT DIAGRAM - HP JACK BOARD...
  • Page 22 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 23 LAYOUT DIAGRAM - CD & MCU BOARD TOP SIDE...
  • Page 24 LAYOUT DIAGRAM - CD & MCU BOARD BOTTOM SIDE...
  • Page 25 CIRCUIT DIAGRAM - CD & MCU BOARD CD PORTION...
  • Page 26 CIRCUIT DIAGRAM - CD&MCU BOARD MCU PORTION...
  • Page 27 LAYOUT DIAGRAM - LIMIT SWITCH BOARD TOP SIDE LAYOUT DIAGRAM - LIMIT SWITCH BOARD BOTTOM SIDE...
  • Page 28 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 29 LAYOUT DIAGRAM - AC POWER BOARD LAYOUT DIAGRAM - AC POWER BOARD BOTTOM SIDE TOP SIDE...
  • Page 30 CIRCUIT DIAGRAM - AC POWER BOARD...
  • Page 31 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 32 LAYOUT DIAGRAM - DISPLAY BOARD CIRCUIT DIAGRAM - DISPLAY BOARD TOP SIDE LAYOUT DIAGRAM - DISPLAY BOARD BOTTOM SIDE...
  • Page 33 LAYOUT DIAGRAM - KEY BOARD CIRCUIT DIAGRAM - KEY BOARD TOP SIDE LAYOUT DIAGRAM - KEY BOARD BOTTOM SIDE...
  • Page 34 LAYOUT DIAGRAM - SP & ANT BOARD CIRCUIT DIAGRAM - SP & ANT BOARD TOP SIDE LAYOUT DIAGRAM - SP & ANT BOARD BOTTOM SIDE...
  • Page 35 SET MECHANICAL EXPLODED VIEW & ¡ ™ £ ‡ § • ª º ‹ · ›...
  • Page 36 AM LOOP ANT 164X75MM 9940 000 04421 FM ANT WIRE 2P 300R L=2.6M 9940 000 04798 PLASTIC WALL PLUGS 9965 100 06738 REMOTE CONTROL 9965 000 41798 SPEAKER BOX OF MCM276R/37 Note: Only these parts mentioned in the list are normal service parts.
  • Page 37 10-1 REVISION LIST 1.0 Manual 3141 785 31240 Initial Service Manual released. 1.1 Manual 3141 785 31241 In this version, Mechanical & Accessories Partslist (Page 9-2) has been updated, the Remote Control changed as below. 9965 100 06738 Remote Control (was 9940 000 41787)