Philips-MCD-263-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.2 MCD263 3141 785 34872 Sleek DVD Micro System -/98/55/78 Published by LX 1037 Service Audio Subject to modification 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

2、or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CONTENTS Technical specification .1-2 Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1. 2-2 Block diagram .3-1 Wiring diagram .4

3、-1 Disassembly diagram.5-1 Main board Circuit diagra.6-1.6-6 Layout diagram .6-7 Display/MCU/Key board Circuit diagram .7-1 Layout diagram .7-2.7-4 USB/HP Jack board Circuit diagram .8-1 Layout diagram .8-2 Exploded view diagram .9-1 Revision list.10-1 RadioFans.CN 收音机爱 好者资料库 TECHNICAL SPECIFICATION

4、 1 - 2 Tuner (FM) Tuning Range 87.5 - 108MHz Tuning grid 50KHZ Sensitivity - Mono, 26dB S/N Ratio - Stereo, 46dB S/N Ratio 22 dBf 28dBf Total Harmonic Distortion 55dB Speakers Speaker Impedance 8ohm Speaker Driver 3” Full range +5.25”subwoofer Sensitivity 82dB/m/W General information AC power100 - 2

5、40V, 50/60 Hz Operation Power Consumption Main unit: 22W; Subwoofer: 45W Standby Power Consumption 67dB Aux Input 0.5V RMS 20k ohm Disc Laser Type Semiconductor Disc Diameter 12cm/8cm Video Decoding MPEG-1 / MPEG-2 / DivX Video DAC 12Bits Signal System PAL / NTSC Video Format 4:3 / 16:9 Video S/N 48

6、dB Audio DAC 24Bits / 96kHz Total Harmonic Distortion 67dBA Type /Versions: Features Board in used: MCD263 Service policy DISPLAY BOARD MAIN BOARD SW BOARD KEY BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /05/12/55 89/16/87/ Feature diffrence RDS VOLTAGE SELECTOR ECO STA

7、NDBY - DARK Type /Versions: MCD263 /05/12/55 89/16/87/ VERSION VARIATION 39/ 39/ USB BOARD C&M C&M C C C C&M C&M C C C C&M C&M C C C RadioFans.CN 收音机爱 好者资料库 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S

8、/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces test disc 3) SBC429 4822 397 30184 Bandpas

9、s 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage. Use a bandpass filter (or at least

10、a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50? Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) an

11、d disturbance from the pilottone (19kHz, 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP RadioFans.CN 收音机爱 好者资料库 1-4 SERVICE AIDS GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing,

12、 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. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original condition and that parts which are ide

13、ntical with those specified, be used Safety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playability return

14、set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-

15、RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all

16、other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search)

17、within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems remain, the cu

18、stomer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of t

19、he lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function. Clean the len

20、s gently (dont press too hard) with a soft and clean cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. This to avoid

21、 that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 BLOCK DIAGRAM 3-13-1 USB JACK BOARD DISPLAY BOARD MAIN BOARD KEY BOARD SUBWOOFER SECTION TDS8920C WIRING DIAGRAM 4-14-1 6 5 4 3 2 1 61 21 1 2 16 15 15 16 2 1 R L 123 IPOD ALBDISCTITLETRKMUTEMID FMMW CD AUX DAB 32

22、1 LOADER MOTOR CD DOOR 1 2 1 2 123 123 321 SUBWOOFER 120 192 219 201 JK502 12 2 1 HA200 CW802 CON3 CD MECHANIC CW401 CW1 CW805 CW707 CW704 JK801 JACK3 DISPLAY BOARD J1 USB PCB HP JACK CW403 CON402 41 19 CW907CW906 41 19 J2 CW801 J201 12 CON2 MAIN BOARD USB JACK BOARD AC POWER BOARD KEY BOARD ? ? ? ?

23、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? CIRCUIT DIAGRAM-MAIN BOARD POWER/AMP SECTION 6-16-1 CIRCUIT DIAGRAM-MAIN BOARD EQ/TUNER SECTION 6-26-2 CIRCUIT DIAGRAM-MAIN BOARD DVD SECTION 6-36-3 CIRCUIT DIAGRAM-MAIN BOARD DVD SECTION 6-46-4 CIRCUIT DIAGRAM-MAIN BOARD DVD SECTION 6-56-5 CIRCUIT DIAGRAM-MAIN

24、 BOARD DVD SECTION 6-66-6 LAYOUT DIAGRAM-MAIN BOARD 6-76-7 CIRCUIT DIAGRAM-DISPLAY/MCU/KEY BOARD 7-17-1 LAYOUT DIAGRAM-DISPLAY/MCU BOARD TOP SIDE 7-27-2 LAYOUT DIAGRAM-DISPLAY/MCU BOARD BOTTOM SIDE 7-37-3 LAYOUT DIAGRAM-KEY BOARD 7-47-4 CIRCUIT DIAGRAM-USB/HP JACK BOARD 8-18-1 LAYOUT DIAGRAM-USB/HP JACK BOARD 8-28-2 SET EXPLODED VIEW 9-19-1 REVISION LIST V * Initial Release V * Add /55 Version 1.0 (3141 785 34870) Version 1.1 (3141 785 34871) 10-1