Can you ground the other wires non-intrusively? With the signal generator, the scope and the rest of the mat grounded the only wire on the board that should be emitting is the broken X wire. This is...
That pretty much already happens as soon as you put a DELQA in, since it has a 68000 processor on it. Faster and more capable than most Q-bus PDP-11s. And that's the way it has been since the 80s.
If not overcurrent on 125V, what circuit could...
If not overcurrent on 125V, what circuit could draw excessive current only when the HOT is present? Looks like it could be anything.
nztdm Today, 01:01 PMNot sure if relevant, but I hear a quiet fizzing sound that...