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Philips MCD703 Service Manual
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Philips MCD703 Service Manual

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Handling chip components ............................................................1-1
Information about lead-free soldering ............................................1-2
Technical specification...................................................................2-1
Service tools ..................................................................................2-1
Service measurement setup ..........................................................2-2
Connections and controls ......................................................3-1...3-3
Troubleshooting.....................................................................3-4...3-5
Disassembly diagram ............................................................4-1...4-2
Software version and upgrading ....................................................5-1
Set block diagram ..........................................................................5-2
Set wiring diagram .........................................................................5-3
VFD / KEY BOARD ASSEMBLY
circuit diagram ..........................................................................6-1
layout diagram ..........................................................................6-2
©
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 LX 0610 Service Audio
Version 1.1
All manuals and user guides at all-guides.com
Printed in The Netherlands
Subject to modification
TUNER BOARD
circuit diagram ..........................................................................7-1
layout diagram ..........................................................................7-2
DVD BLOCK
circuit diagram ..........................................................................8-1
layout diagram ..........................................................................8-2
AMP BLOCK
circuit diagram ..........................................................................9-1
layout diagram ..........................................................................9-2
DVD MPEG BOARD
circuit diagram ..............................................................10-1...10-5
layout diagram ........................................................................10-6
Exploded view diagram................................................................11-1
Mechanical partslist .....................................................................11-2
Electrical partslist...............................................................12-1...12-3
Revision list..................................................................................13-1
LASER PRODUCT
MCD703
all versions
CLASS 1
© 3141 785 30931

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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: Handling Chip Components

    All manuals and user guides at all-guides.com 1 - 1 HANDLING CHIP COMPONENTS...

  • Page 3: 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 4: Service Tools

    4 Hz - 22 kHz (48kHz) Weight : 1.4 Kg 4 Hz - 44 kHz (96kHz) DVD Part AMP Part : 3.1 Kg Digital Output : SPDIF (Sony Philips digital interface) Coaxial No. of programmable tracks : 20 AMPLIFIER Signal-to-noise ratio : 50 dBA...

  • Page 5: Service Measurement Setup

    All manuals and user guides at all-guides.com 2 - 2 SERVICE MEASUREMENT Bandpass Tuner SW LF Voltmeter 250Hz-15kHz Aerial replacement e.g. PM2534 e.g. 7122 707 48001 RF Generator Capacitor e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday«s cage. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).

  • Page 6: Connections And Controls

    All manuals and user guides at all-guides.com 3 - 1 CONNECTION AND CONTROLS...
  • Page 7 All manuals and user guides at all-guides.com 3 - 2 CONNECTION AND CONTROLS...
  • Page 8 All manuals and user guides at all-guides.com 3 - 3 CONNECTION AND CONTROLS English...

  • Page 9: Troubleshooting

    All manuals and user guides at all-guides.com 3 - 4 TROUBLESHOOTING...
  • Page 10 All manuals and user guides at all-guides.com 3 - 5 TROUBLESHOOTING...

  • Page 11: Software Version And Upgrading

    All manuals and user guides at all-guides.com 5 - 1 5 - 1 SOFTWARE VERSION AND UPGRADING...

  • Page 12: Set Block Diagram

    All manuals and user guides at all-guides.com 5 - 2 5 - 2 SET BLOCK DIAGRAM...

  • Page 13: Set Wiring Diagram

    All manuals and user guides at all-guides.com 5 - 3 5 - 3 SET WIRING DIAGRAM...

  • Page 14: Circuit Diagram

    All manuals and user guides at all-guides.com 6 - 1 6 - 1 CIRCUIT DIAGRAM - VFD / KEY BOARD ASSEMBLY VFD701 MCD-7 R703 CN701 NE-1300CD-3. G 2.2/0. 5 -24V MCD-14 2.0/3P CN1401 KEY1-1 KEY2-1 KEY3-1 R704 KEY4-1 15/0. 5 KS2-1 2.0/5P SW706...

  • Page 15: Layout Diagram

    All manuals and user guides at all-guides.com 6 - 2 6 - 2 LAYOUT DIAGRAM - VFD / KEY BOARD ASSEMBLY...

  • Page 16: Circuit Diagram

    All manuals and user guides at all-guides.com 7 - 1 7 - 1 CIRCUIT DIAGRAM - TUNER BOARD ANT 1 C3 4 R3 0 0.22u F C4 2 C4 4 R1 1 C4 1 0.33u F C3 5 6T 5 C3 0 5T 5 C3 3...

  • Page 17: Layout Diagram

    All manuals and user guides at all-guides.com 7 - 2 7 - 2 LAYOUT DIAGRAM - TUNER BOARD...
  • Page 18 All manuals and user guides at all-guides.com 8 - 1 8 - 1 CIRCUIT DIAGRAM - DVD BLOCK CN903 JACK 901 CN806 CN809 M CD700-8 S-VI DEO JACK 902 Q807 8550 R804 STB3 C880 Q802 8550 C881 R859 100UF C807 RCA3P R840 C804...

  • Page 19: Layout Diagram

    All manuals and user guides at all-guides.com 8 - 2 8 - 2 LAYOUT DIAGRAM - DVD BLOCK...
  • Page 20 All manuals and user guides at all-guides.com 9 - 1 9 - 1 CIRCUIT DIAGRAM - AMP BLOCK R150 AUX1-L U105 TDA7264 AUX1-R R151 R153 R152 MCD-1 TDA7264 D108 R156 J103 R154 4001 R157 RCA-407 AUX2-L D109 AUX2-R 4001 R155 C107 CD-R TU-R...

  • Page 21: Layout Diagram

    All manuals and user guides at all-guides.com 9 - 2 9 - 2 LAYOUT DIAGRAM - AMP BLOCK...
  • Page 22 All manuals and user guides at all-guides.com 10 - 1 10 - 1 CIRCUIT DIAGRAM - DVD MPEG BOARD MPEG board is not repaired,program for referrence only. +12V [ 1 ] +12V R110 ASPDIF MIC_L -12V [ 1 ] -12V +12V1 [ 1 ] +12V1 DV33 220pF [ 1 ] DV33...
  • Page 23 All manuals and user guides at all-guides.com 10 - 2 10 - 2 CIRCUIT DIAGRAM - DVD MPEG BOARD MPEG board is not repaired,program for referrence only. Y[1..6] Y[1..6] [ 2 ] VSYNC# VSYNC# [ 2 ] HSYNC# +5VV HSYNC# [ 2 ] +5VV [ 5 ] [ 5 ] 75/DIP [ 5 ] [ 5 ]...
  • Page 24 All manuals and user guides at all-guides.com 10 - 3 10 - 3 CIRCUIT DIAGRAM - DVD MPEG BOARD MPEG board is not repaired,program for referrence only. SD33 SD33 DV33 CB44 CB45 CB46 CB47 CB50 CB48 CB49 + CE25 CB58 0.1uF 0.1uF 0.1uF...
  • Page 25 All manuals and user guides at all-guides.com 10 - 4 10 - 4 CIRCUIT DIAGRAM - DVD MPEG BOARD EJS89D18 MPEG board is not repaired,program for referrence only. 1  INDEX & POWER, RESET History Date 2  RF, SERVO & MPEG  -  MT1389E The original released. 2003.6.15 Change CE11 from 10uF to 100uF 2003.7.17 3  MEMORY - SDRAM, FLASH/EEPROM Change C3 from C to 2200pF Change C2 from 0.1uF to C Change R10,r15 from 750k to 680k 4  VIDEO OUT Change R17,R19 from 390k to 150k Add C74 2200pF...
  • Page 26 All manuals and user guides at all-guides.com 10 - 5 10 - 5 CIRCUIT DIAGRAM - DVD MPEG BOARD MPEG board is not repaired,program for referrence only. JITFO 390pF JITFN DV33 Change R4,R5,R6,R8,R12 from ik to R 74H04 R207 100k 750k AMDAT R192...

  • Page 27: Layout Diagram

    All manuals and user guides at all-guides.com 10 - 6 10 - 6 LAYOUT DIAGRAM - DVD MPEG BOARD MPEG board is not repaired,program for referrence only.

  • Page 28: Exploded View Diagram

    All manuals and user guides at all-guides.com 11 - 1 11 - 1 EXPLODED VIEW DIAGRAM DVD PART AMP PART 21(22)

  • Page 29: Mechanical Partslist

    All manuals and user guides at all-guides.com 11 - 2 11 - 2 MECHANICAL PARTSLIST ACCESSORIES 994000003071 SPEAKER BOX ASS'Y -/37 DVD PART 994000005222 SPEAKER BOX ASS'Y -/98 994000002493 DVD UNIT DISPLAY LENS 994000005225 SPEAKER BOX ASS'Y -/55 994000002497 POWER MULTI BOTTON 994000005073 WOOFER ASS'Y -/37/55 SWITCH PUSH KNOB...

  • Page 30: Electrical Partslist

    All manuals and user guides at all-guides.com 12 - 1 ELECTRICAL PARTSLIST - DVD BOX - MISCELLANEOUS - 994000003163 CRYSTAL OSC FREQ. 4,5MHz H3 X801 994000002551 CRYSTAL OSC FREQ.32,768KHz X802 994000003152 FILTER FREQUENCY 4,19MHz J1101 994000002556 OPTICAL & COAXIAL TERMINAL JAK901 S-Video + SINGLE RCA SOCKET 994000002554...
  • Page 31 All manuals and user guides at all-guides.com 12 - 2 ELECTRICAL PARTSLIST - DVD BOX - IC & TRANSISTORS - 994000003156 CHIP TRANSISTOR 9014 Q601 994000002519 TRANSISTOR 8550C-5 Q801 994000002518 TRANSISTOR 8050C-5 Q804 994000002518 TRANSISTOR 8050C-5 Q802 994000002519 TRANSISTOR 8550C-5 U802 994000002546 IC YD2576-ADJ...
  • Page 32 All manuals and user guides at all-guides.com 12 - 3 ELECTRICAL PARTSLIST - AMP BOX - MISCELLANEOUS - F101 994000002531 FUSE F4AL250V -/37 F102 994000002531 FUSE F4AL250V -/37 F101 994000003433 FUSE F6,3AL250V -/98/55 F102 994000003433 FUSE F6,3AL250V -/98/55 F103 FUSE F2AL250V 994000002529 JP117 994000003412...

  • Page 33: Revision List

    All manuals and user guides at all-guides.com 13 - 1 REVISION LIST Version 1.0 (3141 785 30930) * Initial Release MCD703/37 Version 1.1 (3141 785 30931) * New versions /98,/55 are introduced. * Page 11-2 : Mechanical parts list adapted.

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