Re: Interesting Asteroids 19V2000 Problem

From: Colin Davies <colin.w.davies_at_btopenworld.com>
Date: Sat May 19 2007 - 19:02:54 EDT

I have exactly the same problem, if I recall it was more so with the spare
board, but yes 'ever so slightly' on the one I use regularly, my friend was
quick to point it out. Probably down to some 27 year old capacitors if you
ask me :-)

Regards, Colin

----- Original Message -----
From: "Scott Caldwell" <scottcaldwell@sbcglobal.net>
To: <vectorlist@vectorlist.org>
Sent: Saturday, May 19, 2007 9:48 PM
Subject: Re: VECTOR: Interesting Asteroids 19V2000 Problem

> This reminds me of an issue I have with my BattleZone mini. During the
> game, the
> score and remaining tanks bounce ever so slightly. It makes it looks
> like vibration
> from the "actual" tank moving. I kind of like the effect, so I haven't
> ever tried to
> fix it.
>
> Scott C.
>
> Malcolm Mackenzie wrote:
> > Hi all. I have an Asteroids that I brought back from the dead that
> > has an interesting video problem. I wonder if any of you have seen it
> > before. After the game warms up the video seems to pulse or
> > momentarily collapse. It then recovers to its former size. Doesn't
> > seem to be related to what the game output is and I tested the game
> > with another monitor and it appears the board is putting out good
> > video. I suspected the HV Diode, but replacing it did not fix the
> > problem. I've already recapped the HV and the deflection boards as
> > well as replacing all the big transistors and two of the deflection
> > transistors on the deflection board. Anyone have an idea what might
> > be doing this? Dying tube? Dying HV transformer? -Malcolm
> --------------------------------------------------------------------------
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Received on Sat May 19 19:02:52 2007

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