On Fri, 22 Nov 2013 10:58:18 -0600, The Daring Dufas wrote:

Look closely at the blue electrolytic
capacitor on the module circuit board. It looks swollen and electrolytic
capacitors can dry out and become a short circuit, especially if they're
22 years old. ^_^

The electrolytic capacitor did look a little schmushed!
It was pressed up against the transister, so I bent it away from the
transistor.

BTW, I just noticed the power supply has a "lifetime limited warranty".
http://www.elkproducts.com/product-c...g-and-terminal

I wonder what that means...