RE: Beam on side of CRT

Yeah -- I forgot to mention what monitor it's running.

It's got a G05 in it.

Also for clarity -- I'm not having a problem w/ blooming. Vert is fine,
horz is just a little wide.

Thanks

> -----Original Message-----
> From: owner-vectorlist@synthcom.com
> [mailto:owner-vectorlist@synthcom.com]On Behalf Of someotherguy
> Sent: Wednesday, September 20, 2000 8:04 AM
> To: vectorlist@synthcom.com
> Subject: Re: VECTOR: Beam on side of CRT
>
>
> I'll save the explanation of why it would be bad to shoot a beam off the
> side for someone else - (as I don't know why) but as far as
> adjusting your
> picture - if it's the xxV2000 WG, check on the deflection board
> for X and Y
> pots, as well. These were bad on a friend's BZ mini, making the
> screen too
> wide to read the score - the cardboard overlay obscured it.
> These did the
> trick when the adjustments on the game board wouldn't bring the picture
> into proper adjustment.
>
> Richard
> www.arcadeobsession.com/sog
>
> At 12:58 AM 9/20/00 -0600, you wrote:
> >I was reading some of Tim Skelly's history, and in it there was a brief
> >discussion of a watchdog circuit (on a vector game) that reset
> the machine
> >as necessary. The purpose of this was to avoid the possibility
> of shooting
> >the electron beam into the side of the CRT in a game failure condition.
> >There was no discussion of why this is bad...
> >
> >Anyone want to offer logical explanations or actual experiences with
> >shooting the beam into the side of the CRT?
> >
> >Other than curiosity, I have some interest because my AD
> displays slightly
> >wider than the screen. I'm not aware of any width adjustment on the
> >deflection amp -- are the X & Y gain on the main PCB used for H/V width
> >adjustment?
> >
> >Thanks
> >
> >---
> >Bret Pehrson
> >mailto:bret@infowest.com
> >
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Received on Wed Sep 20 18:09:00 2000