Posted by Beowulfie on 11/01/06 23:59

Steve Roberts wrote:
> On Sun, 29 Oct 2006 15:48:20 -0700, Beowulfie <enigma@hotmail.com>
> wrote:
>
>
>>Today I noticed two large spots, one bluish and one greenish, on the
>>screen when I started to watch a new dvd. I turned to the regular
>>channels on the tv and they weren't there. When I switched back over to
>>the tv they were back, after abit they were gone, but then little later
>>they came back.
>
>
> It sounds like a heat related problem, causing the shadowmask in the
> tube to warp slightly and allowing the green phosphor pixels to "see"
> a bit of the red and blue electron guns and vice-versa.
>
> Quite often this is because the TV is set by default with its contrast
> flat-out. This causes a very bright image, but produces more heat and
> thus more potential for warping. It will also mean that the beam will
> be less focussed and produce a softer picture and a shorter tube life.
> Try turning down the contrast to something sensible (like halfway) and
> see how you get on.
>
> Steve
Thanks for the suggestion Steve. I'll give that a try.

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