Philips-MCD-107-Service-Manual(1) 电路图 维修手册.pdf
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1、Version 1.2 MCD107 3141 785 34382 DVD Micro Theater -/51/93/98 Published by LX 1102 Service Audio Subject to modification Copyright 2009 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 tr
2、ansmitted, 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 Disassembly diagram. .5-1 Block diagram.3
3、-1 Wiring diagram .4-1 Main board Circuit diagram .6-1.6-2 Layout diagram.6-3.6-4 DVD board Circuit diagram .7-1.7-5 Layout diagram.7-6 Exploded view diagram .9-1 Mechanical parts list.9-2 Electrical parts list.10-1.10-2 Front board Circuit diagram .8-1 Layout diagram. 8-2.8-3 RadioFans.CN 收音机爱 好者资料
4、库 FM Tuning range87.5 - 108 MHz Tuning grid50 kHz Sensitivity - Mono, 26 dB S/N ratio22 dBf Total harmonic distortion55 dB Speakers Speaker Impedance4ohm Speaker Driver3.5”woofer Sensitivity82dB/m/W General information AC power220 - 230 V, 50 Hz Operation power consumption20 W Standby power consumpt
5、ion4 W Eco standby power consumption65 dB Aux input0.5 V RMS 20 kohm Disc Laser typeSemiconductor Disc diameter12 cm/8 cm Video decodingMPEG-2/MPEG-1 Video DAC10 bits Signal systemPAL/NTSC Video format4:3/16:9 Video S/N56 dB (minimum) Composite video output 1.0 Vp-p, 75 ohm S-Video outputY- 1.0 Vp-p
6、, 75 ohm C- 0.286 Vp-p, 75 ohm Audio DAC24 bits / 96 kHz Total harmonic distortion1% Frequency response 4 Hz - 20 kHz (44.1kHz) 4 Hz - 22 kHz (48 kHz) 4 Hz - 44 kHz (96 kHz) Total harmonic distortion65 dBA TECHNICAL SPECIFICATION 1 - 2 Type /Versions: Features Board in used: MCD107 Service policy FR
7、ONT BOARD MAIN BOARD TUENR BOARD DVD BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /05/51/55 89/16/93 Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY - DARK C C Type /Versions: MCD107 /05/51/55 89/16/ M M VERSION VARIATION /93 C&M C&M C&M C&M C&M C&M C&M C&M RadioFans.
8、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/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 UPM55
9、0 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 Bandpass 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 70
10、7 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 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 Volt
11、meter 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) and 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 a
12、nd 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 al
13、so 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 identical 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
14、minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playability return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recomm
15、ended 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-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 with
16、out audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all 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 thes
17、e tracks without audible disturbance playing time for: 1000 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) 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
18、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 customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording
19、 in national language as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advis
20、ed 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 lens 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 t
21、he 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 that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 BLOCK DIAGRAM 3-13-1 ANT 5WX2 I2C EEPROM 24C02 OP-AMP T
22、U-DATA TU-RESET TU-CLK EN25180 TU-AUDIO_IN SI4702 TUNER LCD DISPLAY GY680_MCU SPHE8202TS-128 DVD SERVO 1.DVD-CS 2.DVD-CLK 3.DVD-DATA 4.DVD-IR MACHANISM (SONY KHM313) KEY I2C UE2314 CHANNEL SEL+DSC+VOLUME CONTROL DVD-AUDIO_OUT DVD-AUDIO_IN AUX-IN AUDIO_OUT IN KPS-RKPS-L L-SPK-OUT R-SPK-OUT TFA9842BJ
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