Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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There is an area of my tv that is always white. What is wrong and can it be fixed? Will it be expensive?

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Usually this is caused by the high voltage being too high causing vertical retrace lines and a very bright washed out white screen but this usually affects the whole screen....if only one area of your screen is white.....the picture tube might have a short in one of the guns and it's causings the electrons to fly off uncontrolled in a different direction other than where it's supposed to go.....so you might have a bad picture tube....but this fault can also be caused by a video fault or even a yoke control or scanning fault......only a shop can detect whats going on to isolate the fault and yes,,,,it could be expensive depending on what it is.....but with my experience as a technician...I can tell you off hand without looking at the machine that I believe you might have bad capacitors causing this problem....I can almost guarantee it 100%....capacitors were notorious for these kinds of faults...if capacitors are bad...then your looking at a few dollars for caps and what ever labour they charge you...this should be a very cheap repair...so hope that's its your capacitors.

Posted on Jun 30, 2009

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