Vertical lines
SOURCE: Westinghouse 47" has a black vertical line in the middle of screen
Anything from a bad connection on one of the boards (solder or plug) to a bad board (rare) to a problem inside the front display panel which is usually fatal if the issue from a cost point of view---getting any parts for a Westinghouse may also be hard as last I heard they were again out of business.
Possibility. Replace the same and check. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
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