资源描述：
《硬件调试方式（hardware debug mode）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、硬件调试方式（Hardwaredebugmode）DebuggingstepsThedebuggingstepsofelectroniccircuitsareasfollows:blockdebuggingorintegraldebugging:1.checkcircuitAnyassemblyofelectroniccircuits,beforecommissioning,mustcarefullycheckwhetherthecircuitwiringerror.Controlcircuitdiagram,accordingto
2、acertainordercorrespondinginspectionstepbystep.Specialattentionshouldbepaidtocheckwhetherthepowersupplyisconnectedtoapowersourceandgroundfault,whetherthereisashort-circuit,whetherthepolarityoftheelectrolyticcapacitoranddiodeconnectedinreversedirection,theintegratedcirc
3、uitandthetransistorpiniswrong,gentlypullapullcomponents,solderjointisfirm,etc..Observationof2.passesBesuretodebugtherequiredpowervoltagevalue,anddeterminethecircuitboardpowersupplywithoutshort-circuitphenomenon,thecircuitcanbeconnectedtothepowersupply.Oncethepoweriscon
4、nected,don'tbeeagertoobservethewaveformanddatawiththeinstrument,buttoobservewhetherthereareabnormalphenomena,suchassmoke,abnormalsmell,dischargeofsoundandlight,componentsburning,etc..Ifthereis,don'tpanic,butshouldimmediatelyturnoffthepowersupply,untilthetroubleshooting
5、canbereconnectedtothepowersupply.Then,thevoltageofthepowersupplypinofeachintegratedblockismeasuredtodeterminewhethertheintegratedcircuitisenergized.3.staticdebuggingNoinputsignalisusedtomeasurewhethertheDCoperatingvoltageandcurrentarenormalatalllevels.Directcurrentvolt
6、agetestisveryconvenientandcanbemeasureddirectly.Andthemeasurementofcurrentisnotveryconvenient,usuallyusingtwomethodstomeasure.Ifthecircuithasabreakpointontheprintedcircuitboard,itcanbeconnectedtotheammetertomeasurethecurrentvaluedirectly,andthenconnectitwithsolder.Ifth
7、ereisnotesthole,theDCvoltagecanbemeasured,andthentheDCcurrentiscalculatedaccordingtothevalueoftheresistance.Thestaticpointdebuggingoftransistorsandintegratedcircuitsisgenerallycarriedout.4.dynamicdebuggingWiththeinputsignal,theoutputsignaloftheobservationcircuitmeetsth
8、erequirements.ThatistoadjustthecircuitACchannelcomponents,suchascapacitance,inductance,etc.,sothatthecircuitrelatedpo
