Question about Westinghouse LTV-27w7 7 in. LCD HDTV

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I have an intermittent problem the set will be working fine when suddenly the screen is full of multicolored moving veritcal lines. This condition may last for just a few seconds or as long as an hour+. When it stops the TV runs normally.

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SOURCE: screen is black but there is sound

It is possible that the backplane lamps and or the ballast supply is in failure. It is also possible that the main power supply is having a fault condition, or there is some other area that is shorting and causing part of the power supply to go in to protect mode.

The set should be checked out by a service tech who knows the set, and has the necessary resources to service it.

Jerry G.

Posted on May 16, 2008

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