Re: TEMPEST sound problem only in attrack mode

From: Franklin Bowen <Franklin_at_Bowen.net>
Date: Thu Apr 07 2011 - 16:59:38 EDT

2) Doesn't the text change with free play in some versions? Maybe the
video shutdown circuit is only partially engaging when the text changes?

On 4/7/2011 3:09 AM, vernimark wrote:
>
> Hi All,
>
> a friend of mihe has a tempest. Everything seems to run in the right
> way, test passed, board in good condition; but pcb has 2 problems:
>
> 1)in attract mode there is a strong white noise. During the game and
> during tests is ok.
>
> 2) setting FREE PLAY video is reduced to a horizontal line (no
> vertical deflection).
>
> Any idea?
>
> Thank you,
>
> vernimark
>
> ­
>
> Marco M. Vernillo
> R&D Director
> Prisma Engineering
> Via Guido Rossa, 12 - Anzola dell'Emilia (Bologna)
> Tel: +39.051.6502.511
>
> Fax: +39.051.6502.512
>
> Mob: +39.346.5027.658
>
> m.vernillo@prismaeng.it <mailto:m.vernillo@prismaeng.it>
>

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Received on Thu Apr 7 17:00:33 2011

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