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Panasonic microwave diode ux c28 - Microwave Ovens

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9085 Answers

SOURCE: Hi, I have a NN-C784MF

Chances are there are other bad parts blowing the diodes, most likely a MOSFET.

Also, the ESR of the electrolytic capacitors should be checked and all board connections must be checked and resoldered if suspect.

If you're not experienced in troubleshooting switched-mode power supplies (inverters) then you can probably save a lot of timer and money by replacing the whole inverter.

You can find the nearest spare parts supplier by selecting your country then the support links at Panasonic.net.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Jan 02, 2009

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SOURCE: I have the same problem

solved as above

Posted on Aug 25, 2009

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1 Answer

Where is the high voltage capacitor at on panasonic microwave model nn-sn960s


behind the control panel,while your checking the h.v. cap check the h.v. diode for a shorted condition as this will also blow the 20 amp fuse too

Jan 06, 2013 | Panasonic NN-H275 Microwave Oven

2 Answers

What is the equivalent for the UX-C28diode


You can get this high voltage diode from ebay.

Mar 05, 2011 | Microwave Ovens

1 Answer

Locating capacitor and diode to discharge capacitor


Alot of the Panasonic models had the Transformer and Capacitor and Diode built into the power board situated bottom right as you look at the appliance.
Dont know of a way to actually discharge this arrangement.

Apr 07, 2009 | Panasonic NN-S753 Microwave Oven

1 Answer

Hi, I have a NN-C784MF microwave oven from panasonic which is inverter based. The two diodes # ux-c2b are blown. I replaced them they blew again.Please help. Regards.. Anwar.


Chances are there are other bad parts blowing the diodes, most likely a MOSFET.

Also, the ESR of the electrolytic capacitors should be checked and all board connections must be checked and resoldered if suspect.

If you're not experienced in troubleshooting switched-mode power supplies (inverters) then you can probably save a lot of timer and money by replacing the whole inverter.

You can find the nearest spare parts supplier by selecting your country then the support links at Panasonic.net.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Dec 30, 2008 | Panasonic NN-SN657SMicrowave Oven

1 Answer

I have a Panasonic Microwave


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:

http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html


You can order Panasonic parts here.

We\'re happy to help you with free advice and we\'d appreciate your thoughtful rating of our answer.

Sep 06, 2008 | Panasonic Microwave Ovens

1 Answer

Panasonic microwave buzzing noise


Yes, this is usually a shorted high voltage rectifier diode.

It is usually located behind the high voltage transformer and it attaches to the magnetron and to the chassis.

For ciritical safety links how to test the diode, see: http://www.gallawa.com/microtech/diode.html
Panasonic replacement parts can be found here: http://www.pasc.panasonic.com/epartr

Dec 06, 2007 | Microwave Ovens

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