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Question about TVs and degaussing.

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Jae200:
Well, not really about degaussing, I guess. I turned on my cabinet this morning and  ran GameEX cycling through the games I have, loading one randomly thinking that that would act as sort of a screen saver and wouldn't burn in my TV. I was on it a little while ago and noticed a discolored patch on the screen which would indicate that it needs degaussing.. I turned it off for about 30 minutes, then back on and the patch was gone, but at first it scared me since I've only had my project finished a couple of days and didn't want to see this. Any ideas what might have caused this? I haven't moved the cabinet much from the general area its in so changing magnetic fields doesn't seem likely. Could heat play a part? The air around the TV inside the cabinet was warm but not hot and the cabinet has some ventilation.

Jae200:
Well this is strange. I turned the TV back on and it was fine then walked away for a few minutes while I copied files off my other computer and went back and I could see the problem cropping up again but not as bad as it was but got progressively worse. My computer is on its side under the TV with my subwoofer sitting on top of it. The monitor stand is above it obviously but I was thinking the closeness to the computer/sub may have something to do with it. Is that possible?

MikeDeuce:
Try moving the sub... Most traditional speakers contain magnets... I don't think PC-speaker subs are typically shielded because they're intended to be on the floor.

Jae200:
OK I've been trying to troubleshoot the problem and did just that.. I moved the sub into the lower part of the cabinet underneath the computer and its still happening. Taking a closer look though, my power supply is mounted on a block of wood directly under the TV. I put it there originally thinking that it would be fine but the TV is bigger than I expected. Could this be the problem? It seems to be happening faster and faster.. Part of the screen becomes washed out within minutes of turning the TV on.


--- Quote from: MikeDeuce on February 06, 2006, 05:38:51 pm ---Try moving the sub... Most traditional speakers contain magnets... I don't think PC-speaker subs are typically shielded because they're intended to be on the floor.

--- End quote ---

Jae200:
This problem may not be a problem at all.. But I still don't understand it at all. I had GameEX setup so it wasn't running fullscreen with Notepad in the background and the washed out spot was over Notepad.. I loaded and ran a game and the washed out spot disappeared completely, exit the game and it slowly reappears in the same spot. I closed GameEX and Notepad both and the spot slowly seems to be disappearing. What the hell? But as long as this doesn't happen when playing games I don't see it as a problem.

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