On Fri, 7 Aug 2009, Philip Lord wrote:

> Hi again,
> Sorry it took me so long to get around to measuring the voltages off my 
> machine...I hope you are all still here.
> So here we go (All voltages are approximates):
>
> Between the two transformer tabs that go to the monitor - 16VAC
> Pin1 - 8VAC
> Pin2 - 0V
> Pin4 - 0V
> Pin5 - 8VAC
>
> I also took measurements on the 7805's and as they are tied to pin2, there is 
> no voltage read. 0V.
> Pin2 and Pin4 both come from the same place off the huge blue capacitor, so 
> maybe I can assume this is dead?
> Is there anyway to test this capacitor?
>
> Any further advice would be greatly appreciated.

The capacitor has two terminals; two wires from J8 on one terminal, and 
one wire from the transformer on the other.

Disconnect the wire from the transformer.  Measure from that wire to 
ground.  If it is zero, the transformer is open.  If not, the capacitor is 
open.

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