Rainbow colours appear on the screen after it fell over
My mother knocked her TV off the stand whilst cleaning. It now has a rainbow effect of colours in the top corners of the screen, other than this the picture and sound are fine. Is this something easy to fix or should she get a new one (out of warranty by 2 weeks). Thanks.
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Re: Rainbow colours appear on the screen after it fell...
well what i think happend is that the convergance has been modified and some parts has moved inside the TV.
There's lots of posts in this website about this problem so just search for convergance.
also check this link it will exlain you exactly how to deal with it
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The problem with LCD panels is once they have a good "knock" they've had it! With the set off look at the screen and if you see a place with lots of colours (like a rainbow as it were) - it's gone.
To get an LCD panel replaced is VERY expensive much more than a new set is worth. Probably not what you want hear, but that's the way it is!
May be PURITY on the tube, an effect of older CRT tubes caused by a build up of magnetism around the screen, easilt cured with what is known as a magic wand. An electrical wand that produces a magnetic field and is waved in front of the screen to de-magnetise it. Ant TV engineer can do this for you.
This is a convergence problem that can be as simple as poor solder connections on the pins of the convergence ICs or defective ICs. If you wish to attemp the repair yourself, please let me know and I'll look up the parts and provide additional details and instructions. Also, please confirm your model number.