interested.
Matt
Jenison Mark-QA3578 wrote:
> > Hi all,
> >
> > Last night I struggle with a bizzarre sound board problem:
> >
> > Symptom: Upon start up, no "bang" (Eliminator usually starts
> > up with an explosion). About 5 seconds later there is a slight "pop".
> About 10
> > seconds later, the audio begins to crackle, and it eventually
> > becomes the thrust sound. With the thrust sound running in the
> > background, the game plays fine, and the rest of the sounds are present.
> However,
> > when a ship explodes, the audio cuts out completely. About a good 20
> > seconds later, the audio begins to crackle, and becomes the thrust sound
> and
> > again, all other sounds work like usual. In test mode, same thing: thrust
> runs in the
> > background. As soon as the test for "Small Explosion" triggers, all audio
> > cuts out, and about 20 seconds later, the audio begins to crackle, and
> > returns to thrust being the background noise.
>
> Fix: Replace CA3080 at U6
>
> It finally came to me that the White Background Noise (WBN) and Explosion 3
> (which I found out maps to "Small Explosion") both feed into this chip.
> Replacing it fixed the problem.
>
> Like anyone but me cares...
>
> BTW, I'm considering making up a few Sega G-80 "Extender card harnesses".
> They would plug into the card cage like a normal board, but then have an
> extended harness coming from it so you could lay down, probe, and flip over
> the board you were working on. Just trying to gauge interest, so send
> e-mail to ME (not the group) if you are interested.
>
> --
> Mark Jenison
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Received on Wed Aug 16 20:43:59 2000
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