Question about RCA TruFlat 27F520T 27" TV
Have 27"tv rca has a big rainbow in screen , blue red and green
The picture tube has become magnetized, possibly by someone getting a
magnet to close to it. You can de-magnetize it using a strong magnet
(cow magnet or similar). Place the magnet as close the the screen as
possible without touching it to the screen. Starting at the middle of
the screen and slowly (not too slow, about one full circle per second
should do) move the magnet in a circular motion. With each full circle
move the magent twards the outside (making a larger circle) as well as
moving it farther away from the screen. Using a magnet will not harm
the screen, so play with it and you'll soon get the feel and will see
what you need to do.
Tv's have a circuit built in to 'Degauss' (demagnetize) the screen each time you turn it on, but this will only work if the set is 'Cold'. If the set is left off for 2 hours (to cool doen) and does not demagnetize when you turn it on the circuit is faulty.
Posted on Jul 21, 2008
Take it to a TV shop that have a special Degausser coil and they can professionaly remove the spots. Also has the sete been dropped? If so the tube could be damaged
Posted on Jul 27, 2008
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Posted on Jan 02, 2017
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