On Sun, 24 Oct 2010 17:19:34 +0800, "Dennis"
wrote:





Hey Don, I hope your friend re-assembled with some antiseize on the bolts.
Yup.

Was it old/dry electros causing the hum?
Yup. Old, bulging, and underrated -- 10 volt part in a 12-volt
circuit. That's how it came from China. It now has a 25-volt cap.