Question about Sharp R-1480 Microwave Oven
I have been browsing the web, and all the information I read points to a bad magnetron.
How does one replace a magnetron?
Question : If I just want to replace my current Microwave is there another model that has the same dimensions? [it is a built in Microwave]
A loud buzz, hum, or groan is usually a
shorted high voltage rectifier diode, but a sound like gurgling into an
empty coffee mug is one symptom of a failed magnetron, and yet the mag can
be bad without that sound.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
Accessing some components for testing and possible replacement will require you to remove the oven from the wall.
If so, the installation instructions (similar to these) are very handy, and it's best to have two people since the microwave can be heavy and awkward.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
(if it's not shorted, it's probably okay)
(even if the magnetron passes these tests, it can still be bad. If you have high voltage and the diode is good, assume the magnetron is bad)
You would have to remove it from the wall to replace the magnetron, take off the outside cover, discharge the capacitor, then disconnect the magnetron's wires and mounting nuts.
We have the service manual for this model and have uploaded it for you here.
(Our site is down as I write this, but rest assured it is there.)
You can order parts for this brand from Encompass here or you can call them toll-free at 866-779-5835.
Most manufacturers can offer a "drop-in" replacement if you tell them your model number. Call Sharp toll free at 1-800-BE-SHARP (1-800-237-4277).
NOTE: FixYa's Web site is currently not notifying us when replies to our Clarification Requests are posted.
So please reply back directly to me with your brand and full model number from the tag in or on the unit for more help or free do-it-yourself tips or an estimate if required.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer
Posted on Sep 28, 2009
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