Question about Ovens
Dim display is a function of the drive voltages to it. A transformer creates these - and the DC voltage is stabalized by capacitors. The capacitors are only rated to 105 C - which means over time the heat will reduce the capacitors capacitance...lowering the drive voltage and diming the display.
Turn off the power - remove the keyboard panel and metal plate it attaches to. Remove the board attached to the metal plate (not the keyboard/board). Replace 3 capacitors (2 x 470 uf 35V, and one 68 uf 35v....highest temp you can get is 125 C.
Display works like a charm...for $10 in parts from radio shack... best is WHEN the display gets dim...its a straightforward fix.
Here are the pics of the parts that come with the kit.
I'm guessing that the capacitors are on the top board (which is the actually display unit). Is there a tool that I should buy to test the capacitors to find those that have gone bad?
Posted on May 15, 2009
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Posted on Jan 02, 2017
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