Re: Black Widow Prob

Thanks all! It was the AM6012.

-roy-

----- Original Message -----
From: Tek <mypearl@dds.nl>
To: <vectorlist@lists.cc.utexas.edu>
Sent: Friday, December 17, 1999 12:25 PM
Subject: Re: Black Widow Prob

> First of all, I would put my scope in X-Y mode at the direct outputs of
the I/U
> conversion opamp, to exclude everything after this stage. If it is bad
there
> also, you have a change the Opamps are blown. If not, the next step would
be to
> check for the AM6012 DAC's.
> I really think it is an analog problem, the way the vectors are drawn
(bended
> and curved).
> Of course you have checked all supplies on the AVG board.
>
> Cya !
>
> chumblespuzz wrote:
> >
> > I've got a Black Widow board that does this:
> >
> > http://members.home.net/chumblespuzz/images/bw_prob1.jpg
> >
> > Checksummed all EPROMs. Changed all socketed chips. It's not the
monitor.
> >
> > Any suggestions on where I should start looking?
> >
> > Thanks,
> > -roy-
>
Received on Mon Dec 20 21:47:24 1999