@stan2004 posted:I'm hoping that the fault is in the basic scale down circuit because these are inexpensive parts that a skilled tech should be able to diagnose/replace. If the fault is in the processor-side of the voltmeter circuit then it's game-over since the processor chip is effectively irreplaceable.
Remember Stan, even the "skilled tech" working without any service information may have difficulty tracking down/fixing something like this. There is also the point of diminishing returns on how long you're going to spend trying to track it down before simply replacing the board makes more sense. 
