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Panasonic NN­-MX21WF - Page 34

Panasonic NN­-MX21WF
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10/16/2016 s0202000000.html
file:///C:/Users/sh.dehghani/Desktop/NNS554MFOTSIMP_SIMMC0408030A3/viewing/SGML_VIEW_DATA/OT/NNS554MF/SIMP/s0202000000.html 2/2
WARNING!DISCHARGETHEHIGHVOLATGECAPACITORS
Forabout30secondsaftertheovenisturnedoff,anelectricchargeremainsinthehighvoltagecapacitorsinthe
inverterpowersupplycircuitboard.
Whenreplacingorcheckingparts,removethepowerplugfromtheoutletandshorttheinverteroutputterminal
ofthemagnetronfilamentterminalstothechassisgroundwithaninsulatedhandlescrewdrivertodischarge.
Pleasebesuretotouchthechassisgroundsidefirstandthenshorttotheoutputterminals.
Dischargingthehighvoltagecapacitors
WARNING
Thereishighvoltagepresentwithhighcurrentcapabilitiesinthecircuitsoftheprimaryandsecondary
windings,chokecoilandheatsinkoftheinverter.Itisextremelydangeroustoworkonornearthesecircuits
withtheovenenergized.DONOTmeasurethevoltageinthehighvoltagecircuitincludingthefilamentvoltage
ofthemagnetron.
WARNING
Nevertouchanycircuitwiringwithyourhandorwithaninsulatedtoolduringoperation.
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