I have a Sharp LC-19SB25U 19 inch lcd tv. I consistently get a large black rectangle covering 1/3 of my screen after the tv warms up - what causes that?
I have a similar problem using an older 20" flat screen standard definition TV. (not High Def). I can see a little of the picture but more than 2/3 is covered by the black. My model is LC-20SH7U.
I used sharpusa.com "contact us" section.
Hopefully I get some kind of reply to report what they say.
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