RE: Star Wars problems

From: Hendrix, Jeff <Jeff_Hendrix_at_maxtor.com>
Date: Wed Sep 10 2003 - 15:39:13 EDT

The game PCB is fine, when I hook up my scope (the same time the monitor is
hooked up) the scope is rock solid when the monitor goes haywire.

> -----Original Message-----
> From: Stephen Beall [mailto:stephen@mylstar.com]
> Sent: Wednesday, September 10, 2003 1:15 PM
> To: vectorlist@vectorlist.org
> Subject: Re: VECTOR: Star Wars problems
>
>
> Clean all the pots on the game pcb...spray and turn knob back
> a forth a
> few times to clean. You can get pot/tuner cleaner at Rat Shack or
> any electronics store.
>
>
> -Stephen
>
>
> SOmetimes a dirty pot will cause this problem....at least it
> has for me.
> On Wednesday, September 10, 2003, at 11:31 AM, Hendrix, Jeff wrote:
>
> > I have a star wars with an amplifone monitor in it that has some
> > strange
> > behavior.
> > This game also has an Arcadeshop HV board (but I don't
> think the HV
> > board is
> > the problem)
> >
> > Most of the time the screen looks normal, but sometimes
> (either after
> > it's
> > been on for a while or sometimes when it's first turned on)
> the screen
> > will
> > shake and very rapidly change size, but only in the x (horizontal)
> > direction. All horizontal lines are stable, except getting
> longer and
> > shorter. (this is why I don't think the HV unit has anything to do
> > with it).
> > The output from the board looks fine on my scope (while it
> > simultaneously
> > looks bad on the monitor).
> >
> > I poked around on the deflection board a bit and haven't
> found anything
> > obvious, but I don't have a lot of experience with
> amplifone boards.
> > Anybody
> > know off the top of their head what the problem might be?
> >
> > Thanks
> > -jeff
> >
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Received on Wed Sep 10 15:39:01 2003

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