Philips-MCD-263-Service-Manual电路原理图.pdf

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1、Version 1.2MCD2633141 785 34872Sleek DVD Micro System-/98/55/78Published by LX 1037 Service Audio Subject to modificationCopyright 2010 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrievalsystem or trans

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

3、iagram.5-1Main boardCircuit diagra.6-1.6-6 Layout diagram .6-7Display/MCU/Key boardCircuit diagram .7-1 Layout diagram .7-2.7-4USB/HP Jack boardCircuit diagram .8-1 Layout diagram .8-2Exploded view diagram .9-1Revision list.10-1TECHNICAL SPECIFICATION1 - 2Tuner (FM)Tuning Range 87.5 - 108MHzTuning g

4、rid 50KHZSensitivity- Mono, 26dB S/N Ratio- Stereo, 46dB S/N Ratio28dBfTotal Harmonic Distortion 55dBSpeakersSpeaker Impedance8ohmSpeaker Driver 3” Full range +5.25”subwooferSensitivity 82dB/m/WGeneral informationAC power 100 - 240V, 50/60 HzOperation Power ConsumptionMain unit: 22W; Subwoofer: 45WS

5、tandby Power Consumption67dBAux Input 0.5V RMS 20k ohmDiscLaser Type SemiconductorDisc Diameter 12cm/8cmVideo Decoding MPEG-1 / MPEG-2 / DivXVideo DAC 12BitsSignal System PAL / NTSCVideo Format 4:3 / 16:9Video S/N 48dBAudio DAC 24Bits / 96kHzTotal Harmonic Distortion67dBAType /Versions:FeaturesBoard

6、 in used:MCD263Service policyDISPLAY BOARDMAIN BOARDSW BOARDKEY BOARD* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/05 /12 /5589/16/87/Feature diffrenceRDSVOLTAGE SELECTORECO STANDBY - DARKType /Versions:MCD263/05 /12 /5589/16/87/VERSION VARIATION39/39/USB BOARDC&MC&MCCCC&MC&MCCCC

7、&MC&MCCC1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N and distortion metee.g. Sound Technology ST170LRDUTor Universal Test Cassette Fe SBC420 4822 397 30071LEVEL METERe.g. Sennheiser UPM550with FF-filterS/N

8、 and distortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429 4822 397 30184Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTS/N and distortion metere.g. Sound Technology ST1700BFrame aeriale.g. 7122 707 89001Tuner AM (MW,LW)To avoid atmosp

9、heric 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. PM5326Ri=50:Bandpass250Hz-15kHze.g. 7122 707 48001LF Voltmetere.g. PM2534DUTRF Generator e.g. PM5326S/N

10、and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP1-4SERVICE AIDSGB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (ESD).Care

11、less handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potential as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.ESDCLASS 1LASER PRODUCTGBSafety regulations require that the set be re

12、stored to its originalcondition and that parts which are identical with those specified,be usedSafety components are marked by the symbol!.Lead freeSet remains closed!NYPlay a CD for at least 10 minutesYplayabilityok ?Nplayabilityok ?add Info for customer“SET OK“check playabilityNYplayabilityok ?che

13、ck playabilitycheck playabilityreturn setCustomer complaint“CD related problem“fast“ lens cleaning123For flap loaders (= access to CD drive possible)cleaning method 4 is recommendedINSTRUCTIONS ON CD PLAYABILITY2 - 1Exchange CDM1 - 4 For description - see following pages1PLAYABILITY CHECKFor sets wh

14、ich are compatible with CD-RW discsuse CD-RW Printed Audio Disc.7104 099 96611TR 3 (Fingerprint)TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbanceplaying time for: Fingerprint 10secondsBlack dot from 00:50 to 01:10 jump forward/backward (search) within a r

15、easonable timeFor all other sets use CD-DA SBC 444A.4822 397 30245TR 14 (600 Black dot) maximum at 01:15TR 19 (Fingerprint)TR 10 (1000 wedge) playback of all these tracks without audible disturbanceplaying time for: 1000 wedge 10secondsFingerprint 10secondsBlack dot from 01:05 to 01:25 jump forward/

16、backward (search) within a reasonable time2CUSTOMER INFORMATIONIt is proposed to add an addendum sheet to the set whichinforms the customer that the set has been checkedcarefully - but no fault was found.The problem was obviously caused by a scratched, dirty orcopy-protected CD. In case problems rem

17、ain, the customeris requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in theaddendum sheet.The final wording in national language as well as the printingis under responsibility of the Regional Service Organizations.4LIQUID LENS CLEANINGBecause the material

18、of the lens is synthetic and coatedwith a special anti-reflectivity layer, cleaning must be donewith a non-aggressive cleaning fluid. It is advised to use“Cleaning Solvent The actuator is a very precise mechanical component andmay not be damaged in order to guarantee its full function.Clean the lens

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

20、ittle particles make scratches onthe lens.INSTRUCTIONS ON CD PLAYABILITY2 - 2BLOCK DIAGRAM3-1 3-1USB JACK BOARDDISPLAY BOARDMAIN BOARDKEY BOARDSUBWOOFER SECTIONTDS8920CWIRING DIAGRAM4-1 4-16 5 4 3 2 16121121615151621RL123IPODALB DISC TITLE TRK MUTE MIDFM MWCDAUXDAB321LOADER MOTOR CD DOOR121212312332

21、1SUBWOOFER1 201922 19201JK502122 1HA200CW802CON3CD MECHANICCW401CW1CW805CW707CW704JK801JACK3DISPLAY BOARDJ1USB PCBHPJACKCW403CON402411 9CW907 CW906411 9J2CW801J20112CON2MAIN BOARDUSB JACK BOARDAC POWER BOARDKEYBOARD5-1 5-1DISASSEMBLY DIAGRAMDismantling of the Rear CabinetDismantling of the PCB Board

22、1)Remove 6 screws E as indicated to loosen the Main Board.3)Remove 2 screws G as indicated to loosen the Key Board.2)Remove 4 screws F as indicated to loosen the Display Board.4)Remove 4 screws H as indicated to loosen the USB jack Board.3)Remove a rubber foot at bottom of the unit as indicated.2)Remove 4 screws B and 4 screws C as indicated.4)Remove 2 screws D as indicated to loosen the Rear Cabinet.1)Remove 8 screws A as indicated to loosen the speaker cabinet.RIGHT SPEAKER CAB.LEFT SPEAKER CAB.BA CDDEFGHREAR CABINETCIRCUIT DIAGRAM-MAIN BOARDPOWER/AMP SECTION6-1 6-1