OK, I'm back.
I FINALLY had some time to to open 'er up tonight and take a look. Not much to report; nothing visibly looks burnt or damaged, so I'm going to start to look at the capacitors in the power supply section of the board.
There are 10 caps that may be the culprit: C502, C506, C507, C508, C509, C513, C516, C518, C124, and C126. The rest are ceramic caps, but the interesting one is C511; when I found its number on the board, there was never a cap attached there!
The attached scan is the service manual page for that section (its towards the bottom), in case you guys find something else I should look at on there. I am going to try the home-made variac soon now that I'm on spring break, but any other thoughts or suggestions are welcome.
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