Re: Pictures of your Star Wars

From: Joel Rosenzweig <joel.rosenzweig_at_verizon.net>
Date: Thu Feb 20 2003 - 20:39:18 EST

Anyone? Bueler? Bueler? Really, where does the ground wire go on an
Amplifone, since it has no chassis?

Joel-

----- Original Message -----
From: "Joel Rosenzweig" <joel.rosenzweig@verizon.net>
To: <vectorlist@synthcom.com>
Sent: Wednesday, February 19, 2003 9:03 PM
Subject: Re: VECTOR: Pictures of your Star Wars

> > BUT..
> >
> > did you add a jump cable between the game pcb GND and the monitor frame?
> > this is the most crucial for display distortions, not between game pcb
and
> > power brick..
> >
> > Andy Welburn
> > www.andys-arcade.com
> >
>
> Could you clarify for me? Given that the Amplifone doesn't have a monitor
> frame, where exactly would I clamp this ground wire?
>
> Thanks,
> Joel-
>
>
>
> ----- Original Message -----
> From: "Andy Welburn" <andy@andys-arcade.com>
> To: <vectorlist@synthcom.com>
> Sent: Wednesday, February 19, 2003 12:24 PM
> Subject: Re: VECTOR: Pictures of your Star Wars
>
>
> > > Some have suggested adding a ground wire between the power supply and
> the
> > > game PCB. I checked with a meter and found that it registered less
than
> 1
> > > ohm between earth ground on the transformer assembly and the ground
test
> > > point on the vector generator board. I added a jumper wire between
the
> > two
> > > just to test, but it appears to have made no difference in quality. I
> did
> > > this years ago on my Tempest when it had a similar problem, and this
is
> > > exactly what did the trick. Those vectors looks quite sharp!
> > >
> > > Joel-
> >
> > BUT..
> >
> > did you add a jump cable between the game pcb GND and the monitor frame?
> > this is the most crucial for display distortions, not between game pcb
and
> > power brick..
> >
> > Andy Welburn
> > www.andys-arcade.com
> >
> >
>
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Received on Thu Feb 20 17:53:57 2003

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