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1、专业音响设备常见故障排除方法（Troubleshootingofprofessionalsoundequipment）One,mixercommonfaults:1.volumefadercontactisnotgood,whentheintermittentsound.2.channelinputportfault,suchastheoldXLRXLRinputportBudweiserconsoleisveryeasyto"LianGenba",Ireallycannotbelievemyeyesbe
2、gantoencounterthiskindoffault.3.controlsystemdisorder,thefirstuseofasoundskill16mixer,thetotaloutputnosignal,thenchangetothemarshallingoutputunderthemarshallingandnosignaloutput,andIwaspushingtenthclippers,gooutisaeleventhchannelsound.Later,IpassedtheAUXo
3、utputsignalandsoon.Atlast,themixerwentoffstrikecompletely.Thisisnotshowice,IsimplyputtheCDsignaldirectlytotheamplifier'smusic.Likethismixerfaultforsomanyyears,Ifirstencountered,andIhaveneverheardofbefore.Inshort,themixer'sfaultisnothingmorethantheinputpar
4、t,theoutputpart,thecontrolpart,thepowersupplysectionandsoon.Itisusuallycausedbytheagingoftheequipment.Two、equalizercommonfaults:1.,theequalizerpushandpullkeycontacts,thisisthemostcommon,mainlyduetoagingequipmentandharshenvironment.2.equalizerinternallinef
5、ault,Ihaveseensomeequalizeronlyonesignaloutput,andlaterfoundthatthecircuitisbroken,andthisequalizerisnotintheminority,Imetseveraltimes.Three,pressurelimiter,electronicfrequencydivider,professionalfeedbacksuppressor,professionaldelayerandothercommonfaults:
6、thesedevicesinadditiontoseriousagingequipment,isgenerallynotabigproblem,whichisthelargestadjustmentknobandarearpanelsignalsockethadalittleproblem.Four,digitaldevicecommonfaults:1.noiseproblems,digitaleffectsintheaudiosignalprocessingitselfhasacertainamoun
7、tofdigitalnoise,ifcoupledwiththesignallineshieldingisnotgood,inseriouscases,noisewillbelikerain.2.digitaleffectprocessoristhecorecomponentofdigitalprocessingchip,thedigitalchipalsohavefailed,IhaveseenaYAMAHA500effect,butnottostartwork,insidetheprogramallc
8、an'tadjusttheuse,anddigitalchipsaresocomplexthatithadnowaytorepair.Five,poweramplifierandspeakerscommonfaults:1.,themostcommonfaultisthepoweramplifierorheatingpoweramplifiertube,thishasourproblems,butmostoftheequipm
