Panasonic NN-GX36WF User manual

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ServiceManual
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ORDERNO.SIMMC0304019A3
MicrowaveOven
NNGX36WF
NNGX36MF
HPE(Hongkong)
MPQ(Malaysia)
YTE(Others)
KTE(UAE,Egypt)
PTE(Iran)
ZPE(CISCountries)
PleasefileandusethismanualtogetherwiththeservicemanualforModelNNMX20/25WF(ORDERNO.SIMMC0203003C3orSIMMC0203004C3)&NNK366WF
(ORDERNO.SIMMC9703002C3)

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©2003ShanghaiMatsushitaMicrowaveOvenCo.,Ltd.
Allrightsreserved.Unauthorizedcopyinganddistributionisaviolationoflaw.
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3.1Checkthegrounding
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Donotoperateona2wireextensioncord.Themicrowaveovenisdesignedtobeusedwhengrounded.Itis
imperative,therefore,tomakesureitisgroundedproperlybeforebeginningrepairwork.
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3.2Warningabouttheelectricchargeinthehigh
voltagecapacitor
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Forabout30secondsaftertheovenisturnedoff,anelectricchargeremainsinthehighvoltagecapacitor.When
replacingorcheckingparts,removethepowerplugfromtheoutletandshorttheterminalofthehighvoltage
capacitor(terminalofleadwirefromdiode)tochassisgroundwithaninsulatedhandlescrewdrivertodischarge.
WARNING
There is highvoltage present, with highcurrent capabilities in the circuits of the high voltage winding and filament winding of the high voltage transformer. It is extremely
dangeroustoworkonornearthesecircuitswithovenenergized.
DONOTmeasurethevoltageinthehighvoltagecircuitincludingfilamentvoltageofmagnetron.
WARNING
Nevertouchanycircuitwiringwithyourhandnorwithaninsulatedtoolduringoperation.
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3.2Warningabouttheelectricchargeinthehigh
voltagecapacitor
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Forabout30secondsaftertheovenisturnedoff,anelectricchargeremainsinthehighvoltagecapacitor.When
replacingorcheckingparts,removethepowerplugfromtheoutletandshorttheterminalofthehighvoltage
capacitor(terminalofleadwirefromdiode)tochassisgroundwithaninsulatedhandlescrewdrivertodischarge.
WARNING
There is highvoltage present, with highcurrent capabilities in the circuits of the high voltage winding and filament winding of the high voltage transformer. It is extremely
dangeroustoworkonornearthesecircuitswithovenenergized.
DONOTmeasurethevoltageinthehighvoltagecircuitincludingfilamentvoltageofmagnetron.
WARNING
Nevertouchanycircuitwiringwithyourhandnorwithaninsulatedtoolduringoperation.
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3.4Whenthe8Ampfuseisblownduetothe
operationofshortswitch:
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WARNING
When the 15 Amp fuse is blown due to the operation of short switch, you must replace Primary latch switch and short switch. Also replace power relay B (RY1) when the
continuitycheckreadsshortedcontacts(12).
1.Thisismandatory.Referto“AdjustmentsandMeasurement”fortheseswitches.
2.Whenreplacingthefuse,confirmthatithastheappropriateratingforthesemodels.
3.Whenreplacingfaultyswitches,besuremountingtabsarenotbent,brokenorotherwisedeficientintheir
abilitytoholdtheswitches.
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3.5Avoidinsertingnails,wire,etc.throughanyholes
intheunitduringoperation.
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Neverinsertawire,nailoranyothermetalobjectthroughthelampholesonthecavityoranyotherholesor
gaps,becausesuchobjectsmayworkasanantennaandcausemicrowaveleakage.
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