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Display doesn't work

Sharp R-508AK microwave, display no longer works, where might I find rebuilt display boards ? Thanks

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We repair these on a regular basis for customers nationwide with our guaranteed $39.95 service.

We have full details, plus *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa:

Posted on Nov 26, 2007

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Give me the entire model # from the sticker on the MW and I will see if I can help. Or go to or

Posted on Nov 07, 2007


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Posted on Jan 02, 2017

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Sharp Carousel Microwave - R1481 keypad doesn't work

No! I'am afraid not, the problem is in the keypad control board, the whole assembly must be replaced, the part alone will cost around $100.00 or more depending on make and model.

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The digital display no longer works on my sharp half pint microwave r120d. How can I fix this? thanks in advance.

On this model, it's usually not economical to repair, but in most cases it can be repaired for $39.95. Details are here.

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Sharp carousel microwave model # 508ak has power but does not heat food when you press the start button. thanks in advance!

9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section. Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....

Q - The microwave display counts down and the inside light is on, but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.

Jul 11, 2009 | Sharp R-510HW Microwave Oven

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Sharp carousel r-508ak - does not heat up the food

You probably have a defective magnetron or blown fuse supply power to magnetron.

May 12, 2009 | Microwave Ovens

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Hi our Sahrp Carousel microwave LCD panle display is not working

You have to replace the control board. Sharp has had problems with the display boards for awhile. There is no bulb or fuse you can change.

Mar 15, 2009 | Sharp Microwave Ovens

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The Display is Dim. Hard to read the numbers.

I have the same model and problem. The time display is totally unreadable. Looking for a solution as well. I suspect given the cost (I believe around $60), it's time for a new one. Anyone have any suggestions or easy repair ideas?

Mar 12, 2009 | Sharp R-314FS Microwave Oven

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The piece of **** we own is pt# r-1500. In less than a year the lcd display shut down. Now the switch assembly has broken and we have been informed the entire control panel assembly is unavailable. Nice...

Both parts are readily available - you can order them from Martin Microwave Inc.
(toll free 1-877-894-0035).

The lcd / control board / display is Sharp part # CPWBFB075MRU0 and it sells for $79.99

The button assembly is Sharp # JBTN-B122MRF0A and it sells for $13.99

You can also check with for a rebuilt board

Sep 10, 2008 | Sharp Microwave Ovens

1 Answer

Sharp Carousel Microwave Model R-508AK Serial # 111687 Touch pad problem. All touchpad works but no visible numbers.

We regularly repair these control panel assemblies for customers nationwide with our guaranteed $39.95 service.

Feel free to contact me or visit our site if you'd like us to fix it for you.

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

William E. Miller

Aug 30, 2008 | Microwave Ovens

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Sharp Carousel Model R9H84B

I've attached the portion of the manual which shows how to lock & unlock this model.

If that doesn't work, unplug the oven for one minute, plug it back in aga9in, then try again.

If it still doesn;t work, then your keypad has failed, and they are no longer available for these model, so the oven would have to be retired.

Good luck.

We're happy to help and we appreciate your thoughtful rating of our answer.


Jul 03, 2008 | Sharp R-230 Microwave Oven

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