Question about Kenmore Microwave Ovens
There are three possible points of failure; the keypad itself (of course), the connecting cable from the keypad to the board with the electronics on it, and finally the integrated circuit that decodes keypresses.
You might be able to check two of these with any multimeter; the keypad for contact failure, the cable for continuity.
The IC decoder could be somewhat measured if you have the part number to find a pinout for it.
IF the IC has failed, it may not be manually replaceable: in other words it would have to be replaced.
In my experience, the board will cost 1/3- to 1/2 the cost of a new microwave since the manufacturers are not really interested in seeing their products repaired at all.
Posted on Sep 11, 2010
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Posted on Jan 02, 2017
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