SONY CDX-715汽车音响电路图纸.pdf

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1、CDX-715SERVICEMANUALUSModelCanadianModelAEPModelUKModelEModelModelNameUsingSimilarMechanismNEWCDDriveMechanismTypeMG-250B-137OpticalPick-upNameKSS-521A/J2NSPECIFICATIONSSystemCompactdiscdigitalaudiosystemCurrnetdrain800mA(duringCDplayback)Laserdiodeproper

2、tiesMaterial:GaAlAs800mA(duringloadingorejectingadisc)Wavelength:780nmOperatingtemperature–10˚Cto+55˚C(14˚Fto131˚F)EmissionDuration:ContinuousDimensionsApprox.262´90´181.5mmLaserout-putPower:Lessthan44.6µW*(103/8´35/8´71/4in.)*Thisoutputisthevaluemeasured

3、ata(w/h/d)distanceof200mmfromtheobjectivelensnotincl.projectingpartsandcontrolssurfaceontheOpticalPick-upBlock.MassApprox.2.1kg(4lb.10oz.)Frequencyresponse10–20,000HzPowerrequirement12VDCcarbattery(negativeground)WowandflutterBelowthemeasurablelimitSuppli

4、edaccessoriesDiscmagazine(1)Signal-to-noiseratio94dBPartsforinstallationandconnections(1set)OutputsBUScontroloutput(8pins)Analogaudiooutput(RCApin)Designandspecificationssubjecttochangewithoutnotice.COMPACTDISCCHANGERMICROFILMCDX-7157-3.SCHEMATICDIAGRAM–R

5、FSection–•Seepage25forNoteonSchematicDiagram.•Seepage39forWaveforms.•Seepage41and42forICBlockDiagrams.–27––28–CDX-7157-5.SCHEMATICDIAGRAM–MAINSection–MAINBoard(1/2)•Seepage39and40forWaveforms.•Seepage42to44forICBlockDiagrams.•Seepage45and46forICPinFunctio

6、nDescription.•Seepage36forNoteonSchematicDiagram.•Seepage29to32forPrintedWiringBoard.–33––34–CDX-715–MAINSection–MAINBoard(2/2)•Seepage40forWaveforms.•Seepage43and44forICBlockDiagrams.•Seepage29to32forPrintedWiringBoard.NoteonSchematicDiagram:•Allcapacito

7、rsareinµFunlessotherwisenoted.pF:µµF50WVorlessarenotindicatedexceptforelectrolyticsandtantalums.•AllresistorsareinWand1/4Worlessunlessotherwisespecified.•¢:internalcomponent.•U:B+Line.•H:adjustmentforrepair.•Powervoltageisdc14.4Vandfedwithregulateddcpower

8、supplyfromCDchangercontroller.•Voltagesandwaveformsaredcwithrespecttogroundunderno-signalconditions.nomark:PLAY*:Impossibletomeasure•VoltagesaretakenwithaVOM(Inputimpedance10MW).Voltagevariationsmaybenotedduetonorma