Philips-MCD-289-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1. 4 MCD289 ServiceManual DVD Micro System Published by DB 0824 Service Audio Printed in The Netherlands Subject to modification Copyright 2008 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a r etrie

2、val system or transmitted, in any form or by any means, electronic, mechanical, pho tocopying, or otherwise without the prior permission of Philips. CLASS 1 LASER PRODUCT 3141 785 32424 Location of PCBS . 1-1 Specifications. 1-2 Measurement Setup . 1-3 Service Aids, Safety Instruction, etc. . 1-4 In

3、structions On CD Playability . 1-5 to 1-6 Software Version Check & Upgrade. 2-1 Malfuction Check Chart . 2-2 Disassembly Diagram. 3-1 Block Diagram . 4-1 Wiring Diagram. 4-2 VFD/CPU Board .5 Tuner Board.6 Lamp And Headphone Board .7 Radio - Transmit Board.8 Radio - Receive Board.9 Power Board. 10 De

4、code Board . 11 Explode View. 12 Service Partlist . 13 Factory Partlist . 14 TABLE OF CONTENTS Version list . 15 RadioFans.CN 收音机爱 好者资料库 LOCATION OF PCBS 1-1 VERSION VARIATIONS: Type /Versions: Features & Board in used: MCD289 Service policy& DISPLAY BOARD TUNER BOARD HEADPHONE BOARD POWER BOARD DEC

5、ODE BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair ?- Used C M M M M /05/12/55 /58/61/98 Feature diffrence RDS VOLTAGE SELECTOR ECO STANDBY - DARK ? ? ? ? ? ? C M M M M C M M M M M M M M M M M M M M M M M M M M M M M M DECODE BOARD TUNER BOARD HEADPHONE BOARD RADIO TRANSMIT BOARD

6、 DISPLAY BOARD RadioFans.CN 收音机爱 好者资料库 AMPLIFIER Rated Output Power .2 x 15W+1x 50W RMS Signal-to-noise ratio. 65 dBA Frequency response . 100Hz 15KHz, 3 dB Aux Input.0.5V RMS 47kohm DISC LaserType. Semiconductor Disc Diameter. 12cm/8cm Support Disc . .DVD,DivX,CD-DA,CD-R,CD-RW,MP3-CD,WMA-CD Audio D

7、AC .24Bits / 44.1kHz Total Harmonic Distortion. 65dBA TUNER FMTuning Range.87.5 108 MHz Tuning grid .100K/50KHz Sensitivity Mono, 26dB S/N Ratio . 5uV Stereo, 46dB S/N Ratio. 100uV Selectivity.28dB Image Rejection .25dB Total Harmonic Distortion. 65dBA SPEAKERS Speaker Impedance . 4ohm Speaker Drive

8、r, base.5 Speaker Driver, tweeter . 3 Frequency Response. 60 - 20 KHz GENERAL INFORMATION Total Output power . 80W RMS AC Power.220-230V / 50Hz/60Hz(/05/12) Operation Power Consumption . 35W Standby Power Consumption.4W Eco Standby Power Consumption .1W Headphone Output . 2X15mW 32ohm USB Direct. Ve

9、rsion 1.1 Dimensions Main unit (w x h x d). 480 x370 x244mm Speaker box (w x h x d). 472x362x224mm Weight With Packing.10 KG Main Unit .1.4 KG Speaker box .0.8KG Subwoofer box .3.2KG Specifications and external appearance are subject to change without notice. 1-2 SPESIFICATION .220V / 50Hz(/93/61) .

10、110V-127V/60Hz.220-240V / 50Hz(/98/55/96) .240V / 50Hz(/79) 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/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal T

11、est 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 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and di

12、stortion 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 a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generat

13、or 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) and disturbance from the pilottone (19kHz, 38kHz). Ri=50? Tuner FM MEASUREM

14、ENT SETUP 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, make sure that you are connected with the same potential as the mass of the set via a wrist wrap

15、 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 identical with those specified, be used Safety components are marked by the symbol !. Lead free Set

16、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 set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to

17、CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 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) maximu

18、m at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint ?10seconds 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 (Finger

19、print) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge ?10seconds Fingerprint ?10seconds 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 th

20、e 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 customer is requested to contact the workshop directly. The lens cleaning (method 3) should be

21、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 the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done

22、 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 lens gently (dont press too hard) with a soft and clean cotton bud moistened with the special le

23、ns 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 that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 1-? ? ? ? ?

24、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

25、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 2-2 MALFUCTIO

26、N CHECK CHART 2-2 *In case automatic wireless connection fails(include the case of after repairing) you can, 1.Enter standby mode a.for MCD289/12/58 , Press and hold Standby Key from Echo Standby to enter Standby mode , Clock or _._ shown on VFD. b.for MCD289/98/55/79 , Press Standby key to enter St

27、andby mode. 2.press and hold key on the set for 3 seconds until PAIRING appears on the display. 3.press and hold PAIR on the subwoofer until PAIR OK appears on the display. 4.switch on the system for automatic setup of wireless connection. DECODER BOARD TUNER BOARD DECODER BOARD PT2313TL072 TDA8947

28、TDA8932 POWER BOARD CPU P9228 CPU/VFD BOARD IC302 SPEAKER SW SPEAKER POWER BOARD EJ89LA289-LX DVD MECHANISM UCC TEA 5766 ECO-5 FM ANT TUNER POWER 12V +12V -12V R L ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

29、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

30、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

31、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?