Here's the wave forms for C12 well the only ones that should be there.
On Sun, May 1, 2011 at 1:19 PM, Jeff Klammer <jeff.klammer@gmail.com> wrote:
> Greetings from a long time lurker.
>
> I'm currently working on troubleshooting my first Tempest board and I want
> to make sure that I'm on the right track. This Tempest was working fine for
> many years prior to this. The game powers up and plays blind. The spot
> killer is on. I dusted off my oscilloscope and checked the X and Y out. Y
> is fine and X is not. On D/E 12 I have nothing on pin 3 or 5. I do however
> have activity on pin 9 of C12 and can see and play the game on the
> oscilloscope. Can I assume that I need to replace C12 or should I be
> checking associated components?
>
> Thanks,
>
> Jeff---------------------------------------------------------------------------
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Received on Mon May 2 09:15:21 2011
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