Philips-MCD-113-Service-Manual电路原理图.pdf
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1、DVD Micro System TABLE OF CONTENTS3141 785 34080DB 08182009MCD113RecordableReWritableLocation of PC Boards . 1-1Electronic Specification . 1-2Measurement Setup . 1-3Service Aids. 1-4Instruction On CD Playability . 1-5 to 1-6Software Version Check & Upgrade . 2-1Malfuction Check Chart . 2-2Disassembl
2、y Diagram. 3-1Block Diagram . 4-1Wiring Diagram . 4-2Small Board . 5Circuit diagram . 5-1Layout diagram . 5-1LCD Display Board . 6Circuit diagram . 6-1Layout diagram . 6-2Power Board . 7Circuit diagram . 7-1 to 7-2Layout diagram . 7-3Decoder Board . 8Circuit diagram . 8-1 to 8-4Layout diagram . 8-5E
3、xploded View . 9-1Service Partlist . 10-1 to 10-2Factory Partlist . 11-1 to 11-3Location of PC BoardsVERSION VARIATIONS:Type /Versions:FeaturesBoard in used:MCD113Service policyLCD DISPLAY BOARDPOWER BOARDHEADPHONE BOARDDECODER BOARD* TIPS : C - Component Level Repair.M - Module Level Repair- Used/5
4、5/55/58/58/61/61/79/79/93/93/94/94/96/96/98/98/37/37/12/12/05/05Feature diffrenceRDSTDSVOLTAGE SELECTORECO STANDBY - DARKCMMMType /Versions:MCD113AMP/Power BoardDecoder Board Scart BoardLCD Display Board USB/Headphone Board1-1AMPLIFIERRated Output Power . 8W+2X25W RMSSignal-to-noise ratio .65dBAFreq
5、uency response . 30Hz-16kHz 3dBAux Input . 1V/ RMS 20kohmDISCLaser Type . SimeconductorDisc Diameter . 12cm/8cmSupport Disc .CD-DA,CD-R,CD-RW,MP3,DVD,DVD-RW,DVD+RWAudio DAC .1KHzTotal Harmonic Distortion . 65dBA.TUNERFM Tuning Range . 87.5-108 MHzTuning grid . 50KHzSensitivity Mono, 26dB S/N Ratio .
6、 5uV. Stereo, 46dB S/N Ration . 100uVSelectivity . 33dBImage Rejection . 25dBTotal Harmonic Distortion . 3%Signal to Noise Ration . 65dBASPEAKERSSpeaker Impedance . 2x4ohm+6ohme.Speaker Driver, base .5”Speaker Driver, tweeter . 3”Frequency Response . 100Hz +5dB+/-5 15KHzGENERAL INFORMATIONTotal Outp
7、ut power .40W RMSAC Power .220V / 50Hz.Operation Power Consumption . 45WStandby Power Consumption . 6WEco Standby Power Consumption . 1WHeadphone Output . 500mV 32ohm.USB Direct . Version 2.0Dimensions Main unit (w x h x d) . 220x90x240mm Speaker box (w x h x d) . 100x230x90mm SUBwoofer(w x h x d) .
8、170x240x170mmWeight With Packing . 5.8KG Main Unit .1.45 KG Speaker box .0.45x2KG SUBwoofer. 2.15KGSpecifications and external appearance aresubject to change without notice.1-2Electronic Specification1-3LF Generator e.g. PM5110RecorderUse Universal Test Cassette CrO2 SBC419 4822 397 30069LEVEL METE
9、Re.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 and distortion metere.g. Sound Technology ST1700BLRDUTCDUse Audio Signal Disc(replaces test disc 3)SBC429
10、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 atmospheric interference all AM-measurements have to be carried out in a Faradays cage.Use a bandpass filter (or
11、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 and distortion metere.g. Sound Technology ST1700BUse a bandpass filter to eliminate hum (50Hz, 100Hz) and d
12、isturbance from the pilottone (19kHz, 38kHz).Ri=50:Tuner FMMEASUREMENT SETUP1-4SERVICE AIDSGB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (ESD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with
13、 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 restored to its originalcondition and that parts which are identical with those specified,be usedSafety compo
14、nents 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 ?check playabilitycheck playabilityreturn setCustomer complaint“CD related problem“fast“ lens cleaning123For fl
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