资源描述：
《电磁炉维修防止igbt烧管方法（method of preventing igbt from burning in induction cooker maintenance）》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、电磁炉维修防止igbt烧管方法（MethodofpreventingIGBTfromburningininductioncookermaintenance）MaintenancemethodofprotectingIGBTburningtubeininductioncookerAtthesametime,remembertoreplacetheIGBTdrivetubechangetogether(whetheritisgoodorbad;manypeoplehavebadmeasurementdidnotchange;thepri
2、ceisnottoolongtoburnIGBT;twoaudionsupto1yuan;aIGBTtoturnoverten)tocheck0.2UF0.3UF5UFcapacitor;allXuOntheAC220V,connecta60-100Wlightbulb,addapot,turnonthepowersupply:1.iftheredbulb(suitableforinserting220Vafterstandbyindicator),opentheelectromagneticovenpower,thebulbfli
3、ckedonandoff,(andpluginthe220Vafterthestandbyindicatordoesnotlight),opentheelectromagneticovenpower,alightbulbthatisdarkisadarklightpowerresumeshowsthatelectromagneticovenhas;thebasicOK.2.ifthebulbisbright,itindicatesthattheIGBTtubeisfullyconducted.Atthispoint,ifthelam
4、pisremoved,theIGBTtubemustbeburned!Itshouldbethemaindriverofresonantcapacitorvoltagerectifiercircuit.3.ifthebulbisdarkred,opentheelectromagneticovenpower,lightingbrightnessunchanged.Itshouldbethemaincontrolpanelpowersupplysidepowercircuitofmicrocomputer.4.ifthebulbisda
5、rkred,opentheelectromagneticovenpower,alightbulbofasecretlyflashing,butthepotuplightbulbisverybright;toliftthepanfriedIGBT,checktheCPUdiskdrivelineismostcoildamageMaintenanceofcommontroublesinMideainductioncooker1.donotstart(pressthepowerbuttonisnotlit)(1)badkeys(2)loo
6、sewiringofpowerline(3)thepowerlineisblocked(4)fusefuse(5)powercrystalIGBTisbad(6)resonantcapacitorC103isbad(7)Nissldipole(8)transformerbad,no18Voutput(9)thesubstrateassemblyisbroken(1)checkandreplacethekeyboard(2)reconnection(3)reconnectionorreplacement(4)replacement(5
7、)replacement(6)replacement(7)checkandreplace(8)checkandreplace(9)replace2.pot,indicatorlightBright,butnotheated(1),thelineisnotlocked(2)zenerdiodeZD101bad(3)thesubstrateassemblyisbroken(1)lockthewiretray(2)switchingregulatordiodeZD101(3)changethesubstrateassembly3.ligh
8、tdoesnotlight,fanrotation.(1)badLEDslotinsertion(2)zenerdiodeZD2bad(3)thesubstrateassemblyisbroken(1)resplicingorchan
