Philips-MX-5000-D-Service-Manual电路原理图.pdf

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1、CLASS 1LASER PRODUCTService ManualServiceServiceServiceMX5000D/22S/37STABLE OF CONTENTSPageLocation of pc boards.1-2Technical Specifications.1-3Measurement setup.1-4Service Aids, Safety Instruction, etc.1-5Repair Instructions.2Disassembly Instructions fr Reparaturen sind Original-Ersatzteile zu verw

2、enden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth g

3、round to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GBWarning !Invisible laser radiation when open.Avoid direct exposure to beam.SVarning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SFVaroitus !A

4、vatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!DKAdvarse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.2-1Check to Input BDCN 11, data linepin 1, 2, 3, 4 YesCheck to Tuner BDpower s

5、upply Tuner nooutputAudio outputNo soundNoYeYesYessAYesYesNoNoNoNoMX5000D REPAIR CHARTPossible TunerModual bad causePossibleIC 83bad causeCheckIC83Repair/ ReplaceDVD Main BDDVD AudioNo outputCheck Digital BDBN42, SPDIFpin 2All ChannelNo outputCheck the powerand connect boardsinput function DVD/SAT-O

6、PT?input functionAnalog?Check Digital BDBN41, Pin 1,3,5,7,9,11Analog signalCheck Input BDBN51, Pin 1,3,5,7,9,11Analog signalCheckVolume/ IC 19Q179C=OV?CheckIC 28Check Main BDIC 28Check Connent BDBN51, Pin 1,3,5,7,9,11Analog signalYesSee the page 9-2Voltage TableNoPossibleIC28 bad causeVideo OutputNo

7、 signalNoYesNoNo Sound NopictureAll Channel outputNo signalCheck powerconnect all boardsCheck Main boardCN10, pin1resetCheck the DVDMain BDChangeDVD Main BDCheck IC83,host micomNoPossibleIC83 bad causeYesYesNoNoNoNoMonitor outNo outputCheck input BDIC35, pin10Check input BDBN35, pin9Check Input BDCN

8、10, pin9Check DVD Main BDIC14, pin44ChangeDVD Main BDCheck the page 2-6, figure 4-dCheck Input BDBN35, pin10, 11Y,C SignalNoNoYesYesNoCheck input BDCN10, pin5, 7Y,C SignalCheck DVD Main BDIC14, pin47, 48Y,C SignalCheck thepage 2-6, figure 4-e,and 4-fDVD out (S-VIDEO)No outputNoNoPossibleIC 14bad cau

9、seChangeDVD Main BDCheck Main BDBN10, pin9, 18, 19,20CVBS, R, G, BSignalCheck DVD Main BDCN10, pin9, 18, 19, 20page 2-5, 2-6figure 4-a, b, c, dSCART(EUR-22 VersionOnly) NO Output2-2BC2-3ECheck the Discfor dust or damageCheck DVD Loaderpower supply: 5V, 12VCheck DVD BD HX1Check DVD main BDCN10, pin1=

10、HYesYesYesPossible DVD Main BD damageReplace DVD BDPossible DVD Loader damageReplace Loader & test againNoYesNoRepair power supply circuitChange to other DiscCannot read the discor IntermittentCheck the Discis off center or notYesDMechanical noiseduring playing discReset the Discinto the centerCheck

11、 is theresomething inside theDVD Loader or notYesOpen the tray& check it outNoNoPossible DVD Loader damageReplace the DVD LoaderMX5000D Repair ChartDVD SectionF BVideo outputNo Signal(see page 10-2)No SoundDigital no outputDECannot readDisc orIntermittentMechanicalNoiseCNo sound &picture(see page 10-2)MX5000D REPAIR CHART - DVD SECTION2-4FNo SoundDigital no outputCheck(figure 5) DVD Main BDIC07, pin6NoYesYesPossible Optical damageor connection cable damageChange IC07Possible IC01 damageReplace DVD BDNoCheck DVD Main BDIC07, pin1(Reset)page 2-6, figure 5