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jcy110  
#1 Posted : Friday, July 29, 2016 7:53:01 AM(UTC)
jcy110

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Joined: 7/29/2016(UTC)
Posts: 3

Today the microwave started making a buzzing sound. I took out the control panel and powered up the unit. It appears that the RY03 power relay on the back of the board is doing the buzzing, its placed so you cannot read all of the numbers to look for a replacement...... Also looking at the board I can see a resistor R51 darkened the circuit board and would like to replace it. I don't know how to read the value and % to look for a replacement. From other posts they speak about the C01 capacitor going bad, the C01 of mine looks like it is just starting to bulge very slightly so I will replace that too (220uf 50V).

I will upload/include pics if anyone can Identify what numbers I need to order the Power relay and the resistor.

The board is GE CAT NO WB27X10438

Thanks!

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jcy110  
#2 Posted : Monday, August 1, 2016 2:57:04 PM(UTC)
jcy110

Rank: Member

Groups: Registered
Joined: 7/29/2016(UTC)
Posts: 3

Today I went to the local electronics parts store like the good old days, picked up a 30K Ohm 1/4 watt resistor and a 220uf 50V capacitor for $2.95, went home soldered them in and the microwave works like a charm now. Hopefully for the $2.95 it will last another 14 years. Purchased it 7/31/2002!

I couldn't locate the relay because its discontinued, so I figured I would try to replace the 2 components and see how it goes and it worked.

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