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 Member 56 Level 24.48 Mar 2006 
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Is it an LCD or a Plasma-based set?
Jam it back in, in the dark.  |
Member 56 Level 24.48 Mar 2006
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Ok, so it's a CRT, and yes CRTs are susceptible to changes in magnetic fields. Changes and irregularities in the Earth's magnetic field can cause slight abberations in picture quality, so it might be that. If your TV has a degaussing circuit (if it makes a twanging sound whenever you turn it off and on again) then it should rectify the problem; if not immediately then over time. It could also be that you have some strong magnet near the screen, in which you'd need to move it away. The other possibility is that at some point during the move, a magnet came in close proximity with the tube for even just a few moments; that's all it takes to magnetise the metal mesh at the front of the glass screen, and the resulting magnetisation causes colours to appear distorted.
If none of those is the case, you should buy an electrical demagnetising device. It's basically just a powerful coil with alternating current. The constantly changing field created by this coil (caused by the AC oscillating back and forth) scrambles the magnetic particles in the metal mesh, neutralising the overall magnetic field they are creating. I'm not sure where you could get one though. There's nowhere I can't reach. |
Member 56 Level 24.48 Mar 2006
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No, it's a separate thing, like a tape-head demagnetiser. An electrical specialist shop might have one, or a TV repair shop. I say it could fix itself over time because I have magnetised CRTs in the past (just messing around) and the colour distortion does slowly fade after a while. On the other hand, it could also simply be a manufacturing defect that you just didn't notice before. I have a small portable TV by Samsung and the picture is normally great, unless you display 100% white on it (say from a PC). Then I notice a large dull brownish smudge on the screen.
Hey, look at this... look dangerous but effective: http://www.madville.com/link.php?id=123683&t=23 How ya doing, buddy?
Last edited by Why Am I Allowed to Have Gray Paint; Nov 11, 2006 at 03:27 PM.
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Member 56 Level 24.48 Mar 2006
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The degauss circuit (from what I have read) takes time to recharge. Therefore you can't simply turn the TV on and off several times in a few minutes, it just won't work - which is why I said it might take a few days. It should help though; or you could as you say remove the receiver away from the screen. At least you'll know pretty quickly if it is the culprit or not. You didn't mention the set top box at first, or that it was near the smudges >_<.
I am a dolphin, do you want me on your body? |
Member 56 Level 24.48 Mar 2006
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That looks like an antenna to me, one of those cheap loop aerials.
I was speaking idiomatically. |
Member 56 Level 24.48 Mar 2006
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Ah, a well-engineered Panasonic TV. I have never seen that option but I guess they thought ahead just in case something like that happened. Hopefully they should fade (though this can't be 100% guaranteed of course). Until then I suppose all you can do is play with that option until you reach a certain level of comfort with it.
What kind of toxic man-thing is happening now? |
Why Am I Allowed to Have Gray Paint