Degauss coils are available, see:
http://www.mcmelectronics.com/search.aspx?K=degauss

Other than that, this is out of my area of expertise. :(   Hopefully 
someone else can help :)

Justin Richards wrote:
> New to us and worked fantastically.  Fantastically in that windows
> directories could easily be read and everything was sharp and in
> focus.
>
> I was amazed how much better this TV was when driven from the PC than
> any other TV I have connected to a PC especially in the corners where
> all the other TV's seem to suffer from blurry text.
>
> It is mainly driven from a small PC with S-video out and suffers this
> problem now with both the internal receiver and external video card
> source.  When the TV has no source it mutes or blanks the screen so
> you dont see the snow.  This was once a very uniform blue screen, now
> it is almost a uniform green with the faintest patch of blue in the
> center and small red corners.  So we can eliminate my cabling and the
> internal harness.
>
> This was a fault that started a bit differently a few months ago where
> the colours were only messed up in the corners and occasionally came
> good.  Now it has reversed. ie the whole screen is messed up.
>
> I once thought it was a deguassing issue as I fooled myself into
> thinking that when i heard a mild thunk the screen would often be
> better, but I am not sure if this TV ever thunked when it first turned
> on after the power had been removed for awhile.
>
> I not too familiar with TV's but a faulty deguassing PTC seems to fit
> the fault that it first exhibited.
>
> Cheers Justin
>
>
>
>
>
> On 25 February 2010 09:24, Carl Denk <cdenk@windstream.net> wrote:
>   
>> Sounds like a harness is messed up. Is this a new (to you) set, did it
>> ever show the correct colors, or did it suddenly change? Is this off the
>> TV's internal tuner, or is there another external signal source such as
>> cable, satellite, ATSC tuner, with a component (Red, blue, green)
>> connectors? If so are they correctly hooked up. Check the cable for
>> continuity end to end and color to color. Is this an analog or digital
>> signal?  By colors wrong, you are saying this applies uniformly to the
>> entire screen, as opposed to typical degauss issues, where the are
>> different colors at different areas of the screen.
>>     
>
>   
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