Check the scaling signal. If it's wrong, make sure there are no stuck bits
on the input to the dac.
-Mark
On Mon, Mar 21, 2005 at 09:19:18PM +0000, Phil Morris wrote:
> Has anyone come across this problem before on a Star Wars AVG board - go
> into test mode and bring up the Scale Test (Linear). This should draw a
> smoothly shrinking box - however on my own AVG board though this doesn't
> happen, instead it draws a large box, then a few seconds later a much
> smaller box, then a few seconds later a much smaller box, etc. In other
> words the 'in between' boxes aren't being drawn.
>
> I thought this would be a fault in the scale circuit, yet I can find
> nothing wrong there whatsoever or, for that matter, in the circuit which
> that feeds.
>
> Any tips please anyone? What am I missing?
>
>
> Thanks,
> Phil
>
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Received on Mon Mar 21 16:37:05 2005
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