Re: G05-801 Tech

I have had this on a G05-802 too, and there is an old post here with a sketch of what I'm seeing... Let me guess... Asteroids ?
 
I tried different deflection boards (and I think I swapped the HV unit too) - My theory is that its an old tube, you have to adjust the controls 'up' to give a picture, the beam sits in the middle for a while after drawing, and there is just enough power still getting through to make it glow in the middle...
 
On another note....Are repro HV transformers available yet for the 802/805 - I see arcade shop has them for the 19v2000 and I thought that they were very similar devices... (Cinelabs ??)
 
Regards, Colin 

--- On Fri, 1/5/09, utahtaper <utahtaper@comcast.net> wrote:

From: utahtaper <utahtaper@comcast.net>
Subject: VECTOR: G05-801 Tech
To: vectorlist@vectorlist.org
Date: Friday, 1 May, 2009, 3:50 AM

I'm debugging an 801. Monitor has been capped and bottlecaps replaced. The monitor fully works however there is always a dot right in the middle of the screen(Like a spot killer dot) not a bright dot, but a dot none the less. The dot is even still there when the brightness and contrast are turned all the way down. Never ran across this one before. Anyone seen this before and have some suggestions?
The dot is also there when the game turns off and slowly disappears as the voltage in the tube drops. Or if I bleed it off myself with my probe.
Thanks in advance!
Jason
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Received on Fri May 1 05:47:30 2009