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de2电容问题DE2PowerFailureDiagnosticandCorrectionDE2CapacitorFailure:ThisdocumentdescribeshowtodiagnosethepowerfailureanddetermineifTC3isinoperative.ItalsoexplainshowtomaketheboardfunctionalbyremovingTC3.TC3Capacitor:TheAlteraDE2DevelopmentandEducationboardwasconvertedtoanallleadfreeproductinmid2006.InthecourseofthisconversiontheinputpowercircuitrytransitionedfromTantalumtoAluminumSolidElectrolyticcapacitors.TantalumCapAluminumSolidElectrolyticCapUnfortunatelythereisarelativelyrarescenariothatcancauseoneoftheinputcapacitorstoreceivevoltageexceedingitsspecification.Thiscausesittofailandpreventpowerfromgettingtothe……
标签: 电容问题
