Re: Discoloration on monitor after moving Space Duel upright

Hi Tim,

Somehow your metal control panel has become magnetized. Or you
changed the orientation of the game relative to the earth's magnetic
field (turned from facing east/west to north/south). The monitors
built-in degaussing coil is trying to fix the problem - but it only
really affects the picture tube.

A simple home demagnetizer is the ubiquitous Soldering Gun! You know
one of those nasty soldering things that you are NEVER to bring near
printed circuit boards for fear of burning huge holes through them?
Regardless, the gun produces an alternating magnetic field that will
work fairly well at degaussing metal.

Or you could go out and get a proper degaussing coil from a TV repair
supply shop.

Wave either over the control panel and then (while the degaussing
device is still on) move it about 4 feet (1 meter) away before
turning off the device.

If you turn it on/off too close to the monitor you run the risk of
magnetizing something due to the surge EMF field that is produced
when powered up/down for electromagnetic devices. Vacuum cleaners are
notorious for knocking purity out on TVs (and video games)!

John :-#)#

At 11:13 AM -0500 5/22/06, Tim Soderstrom wrote:
>Hi everyone!
>
>I recently moved into a new house and found the perfect place for my Space
>Duel cabinet. The thing has worked like a champ for many years,
>particularly after getting the LV2000 added to the low voltage board for
>the vector monitor. The issue I am having is that I notice that the
>top-right hand screen has some discoloration. The red looks more like a
>purple and looks, to me, like someone placed a magnet close to the screen
>(it produces a similar effect). That said, if I open up the button panel
>and swing it out away from the monitor, the problem goes away. I am unsure
>as to how this is even possible but it is a phenomenon that has only
>recently started occurring (since it was moved I think). I was hoping it
>might go away, and it has gotten a tad bit better, but is still
>noticeable.
>
>Also, I was wondering if anyone knew of any places in San Antonio, TX (or
>close by) that can repair vector monitors? I really don't even like to
>look at the HV section let alone put my hands in there. The idea of
>imminent death due to my own stupidity doesn't sound particularly
>appetizing and as I am not a trained professional at that type of stuff,
>I'd rather not have to work on it should the need arise.
>
>Thanks for the help in advance!
>
>Happy Vector gaming!
>
>Tim S.
>
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Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
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