Question about Panasonic Microwave Ovens
I have a Panasonis Microwave Oven Model No NN9507 Serial No A68220070which fails to operate on Microwave. The convector oven is OK. I am a registered Electrician and would appreciate a service manual or similiar
With these symptoms, the most likely suspects are a loose or corroded connection on the FAQ terminal of the magnetron, a bad magnetron, a shorted high voltage rectifier diode (which would cause a louder noise).
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
You can order Panasonic parts here.
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Posted on Sep 07, 2008
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Posted on Jan 02, 2017
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It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.
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