Dim display panel
I changed the control board and now the display is very dim. Does one of the potentiometers or maybe a jumper on the board control brightness? Thanx
Microwave Ovens - GE - JVM1790 Convection / Microwave Oven
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Answers & Comments
The display driver on the control board might be bad, or the control board is not receiving the correct voltage due to a bad connection, or some other supply issue.
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Hi. The service manual is here - perhaps your solution is here too:
GE JVM1790SK Service Manual