So I was given a AEA PK-900 that is blown up...
The screen back light lights up, the LCD displays the info, then turns off the screen back light goes dark for a second. The lights back up, and it starts all over again.
Pulled the board,
5 volt regulator ok
8 volt regulator ok
-5 volt regulator ok
The MPU test point is 2.3 volts,
all the other test points are 5 volts?
From what I was told. The owner plugged it into a 24volt wall wart, and it
was all she wrote after that....
Any ideals?
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