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I have a 4 year old Sony rear projection tv. The problem is blue ghosts and shadowing.

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  • localgirl65 Dec 09, 2008

    Blue shadows on a Sony KP-43T70 rear projection tv.

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Sounds like you need to replace your covergence ic's post me your model and I can list the proper ic's you need and tell you where you can get them at a reasonable price

Posted on Apr 23, 2008

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Akai PT5598HDI Rear Screen Projection TV With Blue Shadowing


If the ghosting is like a 3D effect its your convergence ICs , but if its like a blue Halo around objects that usually means your CRT coolant has congealed and will need replacement. The blue is the first tube to congeal for some reason, followed by green. Red seems to be not quite as prone to this. It is a normal occurrence n sets about 4 years old to need the coolant changed.

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Your tv has a convergence board problem. Two convergence IC's need to be replaced.

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how old is the tv ??
if this tv is older than 5 years it may need to refill the liquid on the proyection bulbs and/or could have contaminats in the fluid causing the ghost and to fix that you will need a professional person to do it

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color shadows on numbers or letters indicate a possible convergence problem.. might be a crt deflection problem.

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1 Answer

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· http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
· http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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