RE: Discoloration on monitor after moving Space Duel upright

Tim,
        I use a bulk tape eraser to degauss monitors (you can get those
at radio shack).
Also, the WG 6100 monitors will self discharge after powering off (I
have never had a so much as the smallest pop when discharging those
monitors).
Now raster monitors hold their charge until you discharge them, and even
after that, they seem to build up a charge over time (I've been bit a
number of times working on Ms. Pac even after a discharge). The shock
hurts, but not as bad as the bump you get on your head/elbow when you
jump/jerk.

-----Original Message-----
From: owner-vectorlist@vectorlist.org
[mailto:owner-vectorlist@vectorlist.org] On Behalf Of Tim Soderstrom
Sent: Monday, May 22, 2006 12:54 PM
To: vectorlist@vectorlist.org
Subject: Re: VECTOR: Discoloration on monitor after moving Space Duel
upright

I bet something like this is probably exactly what happened, although I
never knew that could be a possibility :) As fro the Suldering Gun, are
you talking about one of those hugs ones or just a dinky one you can buy
from Radio Shack for $12.99? Also, does it have to be plugged in for
this (I assume so?).

Also, you mentioned you pulled your monitor out. I've read articles
about doing just that and, as I mentioned before, I don't want to die :)
So I was wondering how you discharged the electric buildup in the HV
section and monitor? I read you can do the screwdriver method or buy a
specific device to do just that?

It's a shame you can't mod these things to use LCDs :) Blasphemous I
know, but at least I won't die if I stick my hand in the wrong
location...

Anyways thanks a bunch for your help! I will try that as soon as I get
home from work!

Tim

> 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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>
>
> --
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 Call
> (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
> www.flippers.com
> "Old pinballers never die, they just flip out"
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>
>

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