Philips MCD135 Service Manual

Philips MCD135 Service Manual

50w classic dvd micro system
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50W Classic DVD Micro System
CONTENTS
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..............................................................4-2..4-3
Main board and Tuner board
Circuit diagra......................................................................5-1..5-6
Layout diagram .........................................................................5-7
Display and Key board
Circuit diagram ..................................................................6-1..6-2
Layout diagram ..................................................................6-3..6-4
SMPS Power board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3
Exploded view diagram .................................................................8-1
©
Copyright 2010 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 SW 1046 Service Audio
Version 1.0
Subject to modification
MCD135
-/78/51/58/55
3141 785 35670

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Summary of Contents for Philips MCD135

  • Page 1: Table Of Contents

    Exploded view diagram ..............8-1 © Copyright 2010 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

    Search Selectivity >28dBf Total Harmonic <2% Distortion Signal to Noise Ratio >55dB VERSION VARIATION Type /Versions: MCD135 Service policy Board in used: MAIN BOARD AND TUNER BOARD DISPLAY BOARD AND KEY BOARD SMPS POWER BOARD DVD MECH BOARD Type /Versions: DCM105...
  • Page 3: 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 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: Block Diagram

    3 - 1 3 - 1 SET BLOCK DIAGRAM...
  • Page 8: Wiring Diagram

    4 - 1 4- 1 SET WIRING DIAGRAM...
  • Page 9: Circuit Diagra

    5 - 1 5 - 1 CIRCUIT DIAGRAM - MAIN BOARD MCU PART...
  • Page 10 5 - 2 5 - 2 CIRCUIT DIAGRAM - MAIN BOARD AUDIO AND POWER PART...
  • Page 11 5 - 3 5 - 3 CIRCUIT DIAGARM - MAIN BOARD POWER AMP PART...
  • Page 12 5 - 4 5 - 4 CIRCUIT DIAGARM - MAIN BOARD AV I/F USB PART R960 R960 27K1% 27K1% B1-U1-U1.3 V_CVBS D907 D907 V_CVBS V_G/Y BAV99 BAV99 C950 C950 120pF 120pF DVD_L V_G/Y V_B/U DVD_R V_B/U DVD5V V_R/V V_R/V VIDEO I/F L906 L906 0R/1.8uH...
  • Page 13 5 - 5 5 - 5 CIRCUIT DIAGARM - MAIN BOARD SPHE8202RQ-D PART modify DV33 R928 R928 FV33 Crystal R929 R929 4.7K 4.7K URST# XP904 XP904 R930 R930 TP901 TP901 B1-U1-U1 Y901 Y901 R931 R931 4pin/2.0mm 4pin/2.0mm EC954 EC954 10uF16V 10uF16V C914 C914...
  • Page 14 5 - 6 5 - 6 CIRCUIT DIAGARM - MAIN BOARD MOTOR DRIVER PART DVD+5V B1-U1-U1.1 Inor=155mA D902 D902 Istandby:8mA 1N4001 1N4001 D903 D903 1N4001 1N4001 Q902 Q902 TR_B2 B772 B772 Q903 Q903 DV33 TR_B1 DV18 B772 B772 R9173 R9173 R9174 R9174 R902...
  • Page 15: Layout Diagram

    5 - 7 5 - 7 LAYOUT DIAGRAM - MAIN BOARD...
  • Page 16: Circuit Diagram

    6 - 1 6 - 1 CIRCUIT DIAGRAM - DISPLAY AND KEY BOARD PART 1...
  • Page 17 6 - 2 6 - 2 CIRCUIT DIAGRAM - DISPLAY AND KEY BOARD PART 2...
  • Page 18: Layout Diagram

    6 - 3 6 - 3 LAYOUT DIAGRAM - DISPLAY AND KEY BOARD TOP SIDE...
  • Page 19 6 - 4 6 - 4 LAYOUT DIAGRAM - DISPLAY AND KEY BOARD BOTTOM SIDE...
  • Page 20 7 - 1 7 - 1 CIRCUIT DIAGRAM - SMPS POWER BOARD...
  • Page 21 7 - 2 7 - 2 LAYOUT DIAGRAM - SMPS POWER BOARD TOP SIDE...
  • Page 22 7 - 3 7 - 3 LAYOUT DIAGRAM - SMPS POWER BOARD BOTTOM SIDE...
  • Page 23: Exploded View Diagram

    8 - 1 8 - 1 EXPLODED VIEW DIAGRAM...

This manual is also suitable for:

Mcd135/78Mcd135/55Mcd135/58Mcd135/51

Table of Contents