I just finished recapping the analog board and power supply in an SE/30. I have put many PCB in my ultrasonic cleaner with no issue, but this Sony power supply has some components on it that look like they might not like the ultrasonic bath, like whatever this one that looks like a roll of tape...
I have two Classic II's that I have been working on restoring. This is my first re-cap adventure.
I recapped one of the logic boards with tantalums, then cleaned it with an ultrasonic bath and PCB cleaner. When I put the ROM chips back, I accidentally plugged one of them (U25) in backwards, but...