Re: Tempest troubleshooting

Here's the wave forms for you to look at. Make sure you have output on pin
7, and going into pin 3. Check to make sure your linearity pot doesn't have
broken legs.

But yes, it could very well be the TL082. Radio shack carries those.

Kevin

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 09:15:08 2011