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 Post subject: Degaussing a monitor
PostPosted: Thu Jan 27, 2005 10:59 pm 


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Joined: 26 Jan 2005
Posts: 74
Location: Birmingham, England
Before the old forum went down I posted in this section about my monitor going funny colours when I tated it and someone suggested that I try degaussing it with a magnet.

Well (if you've seen my post in the trading station you'll already know) i've now got Raiden fighters 2 and it's gone blue and purple on me when I rotate the monitor to vertical. I've tried letting it stand with no power on for about 8 hours and that didn't help so I thought what the hell and got one of my speakers off the shelf and tried slowly running it in front of the screen. To my amazement the colours went perfect but as soon as I move the speaker away from the screen it just goes back to the crappy blue colours again.

Does anybody know how I can get the correct colours to 'stick'. I seem to have managed to get about half of the screen almost right but the other half just keeps jumping back to the crap blue colours.

This is really pissing me off :evil:

Any help greatly appreciated.

Thanks

Barm


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 Post subject:
PostPosted: Fri Jan 28, 2005 2:51 am 


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Joined: 26 Jan 2005
Posts: 5626
Location: Denver, Colorado, USA
I've heard about these cloths you can use-evidently you can literally wipe away any discoloration on your screen caused by tating with one of these.

Unfortunately I have no idea what they're called or where to buy them-I'll let you know if I find out, though.
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 Post subject:
PostPosted: Fri Jan 28, 2005 3:22 am 


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Joined: 26 Jan 2005
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Location: California
http://repairfaq.ece.drexel.edu/sam/crtfaq.htm#crtmdg

This has a lot of info for you.


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 Post subject:
PostPosted: Fri Jan 28, 2005 4:22 am 


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Location: Denver, Colorado, USA
That link doesn't mention the cloth I've heard about-does anyone know anything about this???
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 Post subject:
PostPosted: Fri Jan 28, 2005 6:05 pm 


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Joined: 26 Jan 2005
Posts: 390
Location: Miami, Florida
You may just have to get a tv repair guy to degauss it. They have special magnets just for this task. Should be pretty cheap too......


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 Post subject:
PostPosted: Tue Feb 01, 2005 6:35 pm 


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Joined: 01 Feb 2005
Posts: 1198
Location: SLC, UT, US
I don't think there's such thing as that cloth.
You also don't need a rapair guy- check out that link above, I didn't read the whole thing, so I don't know if he mentioned using magnets. As far as magnets go, you simply need a magnet stonger than whatever is discoloring your screen (the earth), and then if you can get the colors right, it will be permenant only in THAT position. If your degaussing coil is broken (shouldn't take more than 30 min. to cool down), then you'd have to demagnetize (or appropriately remagnatize, however you look at it) when you wanted to put the monitor back down. You can conceptualize it as metal particles being moved around by a magnet, you just get them where you want them and then they stay there, so it just requires some creative magnet waving.

Read the link above for using degaussing tools. Here's your options-
1. Hire somebody (don't do it)
2. Use a degaussing tool (I use a coil ripped from an old TV- it's the one that runs around the perimiter of the screen, plugged right into an outlet, with a switch to turn it off and on- if I left it on for a whole minute, it would probably light on fire. It just takes a few seconds to degauss)
3. Use a bulk tape eraser (it's the same thing)
4. Use a magnet each time you turn it (has to be strong enough- but not too strong or else you'll need a stronger one to reverse it)


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 Post subject:
PostPosted: Tue Feb 01, 2005 6:37 pm 


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Location: SLC, UT, US
Soldato J wrote:
You may just have to get a tv repair guy to degauss it. They have special magnets just for this task. Should be pretty cheap too......


Oh yeah, also, if your coil was broken, you'd have to have him come over every time you rotated it.


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 Post subject:
PostPosted: Wed Feb 02, 2005 2:56 pm 



Joined: 26 Jan 2005
Posts: 60
i dunno where you can buy them or how much they cost, but you can get degaussing wands, just turn it on, wave it around in front of the monitor a bit and there you go. used to use them in an old job of mine. probably just a version of dpful's coil which doesn't set on fire :)


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 Post subject:
PostPosted: Wed Feb 02, 2005 5:51 pm 


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Posts: 1198
Location: SLC, UT, US
It probably is just the same, but with a part called a thermistor in the circiut, which slowly turns it off- That's how it works when inside the TV. Then again, bulk tape erasers stay on and don't get hot, so maybe it's a little different.


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