Question about Sharp R-530ES Microwave Oven

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Digital lcd display need part number on sharp R-1200 shows digit 1 all the time

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  • Sharp Master
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We regularly repair such control units for customers nationwide for $39.95 with a one-year guarantee.

The service manual is here.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on Apr 28, 2010

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Posted on Jan 02, 2017

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I have a Sharp R510BK Microwave. The digital display only shows partial numbers. What part can I order to repair this?


The control unit (both circuit boards and the display) is part number CPWBFB023MRU0 and you can order it for $107.07 from Encompass here or you can call them toll-free at 866-779-5835.

Or you can have your display repaired for only $39.95 in most cases. Details are here.

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

Sep 16, 2011 | Sharp Microwave Ovens

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I have sharp microwave oven model R-231F. On digital display (which is suppose to show time) only 88888 is displayed. suspect fault with the PCB behind display or keypad. Please advise how I can obtain...


First I would suggest a "hard reset". Simply unplug the oven for a minute or two, then try again.

If it still fails, it may be that the keypad has failed, or there is a bad connection due to moisture, grease, etc.

This is an Australian model, so it's hard for me to give more specific information.

But one some US models the LCD and keypad connect to the circuit board via a rubber "zebra strip" and losing that connection can result in a loss of display segments and / or key response.

I've attached a diagram showing where one can clean to restore operation in this case.

a98b491.jpg

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

Oct 01, 2010 | Sharp R-1480 Microwave Oven

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I have a Sharp R1200 Microwave oven and the internal Light bulb burnt out and the digital lcd does not display all charaters Is this something a homeowner can repair ? fyi I am very technical so as long as...


We have the service manual and have uploaded it to our site here to help you.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid with a one-year guarantee. Or see our exchange page.

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

May 13, 2010 | Sharp R-1200 Microwave Oven

1 Answer

I have a Sharp R1200 Microwave oven and the internal Light bulb burnt out, and the digital LCD does not display all charaters, Is this something a homeowner can repair ? FYI I am very technical so as long...


Hello William,

I see you got back to me and I dowloaded the manual, but not sure how to repair this microwave, the inside light is burned out

and the display numbers do not light up correctly, as if some of the pixels are burn out. So I need to know what I need to replace ( LCD panel)? where is the bulb located and how do you remove and replace it, It should be easy once I know what and where to go

Mar 22, 2010 | Sharp R-1200 Microwave Oven

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Sharp microwave 1200 watts keypad showing


Not a complete answer, but may help describe problem: Our R-510B should be the same except for color, and for several years it has intermittently messed up its display. The left side two segments on the units digit won't light up. So a digit 8, without the two vertical bars on the left, comes out as a letter E reversed left to right. Any digit that uses the two left segments (traditionally labelled segments E and F when talking about 7-segment displays) comes out wrong. Every thing else works fine. I can't tell if this is your problem.
This is almost surely a bad contact at the interface between the LCD display panel and the PC board: Typically there is a "squishy" conductive strip that connects them, and I expect grease has gotten in there. If so careful disassembly and cleaning with a mild solvent should fix it. Since we can live with it, and it usually fixes itself in a few weeks, I have not got around to taking it apart.
Bob Wilson

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We regularly repair these control / display units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

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1 Answer

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You would need a new VFD tube and we could replace this for you for about $75 total.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

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