On Wed, Jul 29, 2009 at 10:39 PM, William Levak<wlevak@sdf.lonestar.org> wrote:
> I pulled out my 2001 and took some measurememts.  On connector J8 the center
> wire is ground. Measuring from the various pins to ground.
>
> Pin 1 - 8V
> pin 2 - 20V
> pin 4 - 20V
> pin 5 - 8V
>
> Measuring between the two wires on the transformer that go to the video
> board - 16V.

That all makes sense - 8V should be enough headroom for a 7805 and
ISTR there's a 7812 on the monitor analog board, so 16V is plenty hot
enough to get 12V from a 7812 (+15V happens to be enough).

-ethan


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