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1、电磁炉电路板简单维修方法,错过后悔!（Electromagnetismfurnacecircuitboardsimplemaintenancemethod,missedregret!）Electromagnetismfurnacecircuitboardsimplemaintenancemethod,missedregret!Maintenancemethod,electromagneticfurnacecircuitboard,circuitboardmaintenance,circuitboard1.Repairthe
2、inductioncookerafraidofIGBTtubeburningtrickReplacetheIGBTremembertoreplacethedrivetubetogetheratthesametime(goodorbad;alotofpeopledon'thavethebadcan'tmeasurementin;thepriceisagainsoonburnIGBT;twotriodeupto1yuan;aIGBTisabouttoturnadozen)alsocheckunder0.2UF0.3UF5UFc
3、apacitance;Ready.(2)ontheac220v,connecta60-100wbulb,pan,switchedon:(1).Ifthebulbisdarkred(applicabletoplugina220vafterthestandbyindicator),opentheinductioncooker,abrightalightbulb,after220v(andinsertedinthestandbyindicatorlightisnotbright),opentheinductioncooker,a
4、lightbulbisdarktorestartthepowersupplyisalsoabrightordark;ItshowsthattheinductioncookerisbasicallyOK.(2)ifthebulbisverybright,theIGBTtubeisfullyconductive.Atthistime,ifremovethebulbpowerwork,mustburnIGBTtube!Themaincircuitofthedriveresonantcapacitorvoltagerectifie
5、risrequired.(3)ifthebulbisdarkred,turnontheelectromagnetismfurnacepowersupply,thebulbbrightnessisunchanged.Themaininspectionpanelshouldbeusedtocontrolmicrocomputerpowersupplyandothercircuits.(4)ifthebulbisdarkred,turnontheelectromagnetismfurnacepowersupply,lightbu
6、lbonebrightanddarktwinkle,butthecookerliftbulbverybright;ToraisetheIGBT,checktheCPUdriveline.SimplemaintenancemethodofelectromagneticfurnacecircuitboardA,circuitboardburnIGBTfusesthemaintenanceprogramofcurrentfuseorIGBTburnout,notimmediatelychangetheparts,mustconf
7、irmthefollowingotherpartsareinnormalstatecanbereplaced,otherwise,theIGBTandthefusewillblowoutagain.1.Whetherthevisualcurrentfuseisbroken2.DetectifIGBTpuncture:The"E"ofIGBTwasmeasuredwithamultimeterdiode."C".Whetherornotthe"G"isworn.A:the"E"poleandthe"G"pole;The"C"
8、poleandthe"G"pole,thepositiveandnegativetestsarenotconductive(normal).B:the"E"isthe"E",andtheblackpen"C"hasavoltagedropofabout0.4v(themodelisGT40T101,wh
