Question about Westinghouse LTV-27w7 7 in. LCD HDTV
TV works fine for first 30 min or so, then goes extremely dark (still slightly visible). Audio fine, no burnt smell, etc. If you turn the set off for a while, picture will return to normal. After a moment or so, backlight seems like its failing and then screen gets abnormally dark again. I've changed the "brightness" settings and the case remains the same. Any ideas as to what I should do. The unit is about 2 years old (problem started 6 months after initial purchase).
Lcd tv sets are lit by small glass florescent tubes called cold cathodes and, are powered by: ballasts called inverters... these go out just like your office florescent lighting the parts can be purchased online from electronic parts houses and, are easily replaced
Posted on May 22, 2009
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Posted on Jan 02, 2017
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