LG 42PX4DV 42 in. EDTV-Ready Plasma Television Logo

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Question about LG 42PX4DV 42 in. EDTV-Ready Plasma Television

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Black screen My screen just suddenly went black. Sound but no picture. What are the possible problems? I suspect it could be the lamp. Is it possible to fix? Hw costly?

Posted by Lloyd Green on

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Plasmas don't use lamps. Could be many things probably need a pro

Posted on Apr 23, 2007

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Did you have same problem before the lamp was replaced? If not I would suspect may be the lamp did not seat correctly but usually the set will indicate that with a lamp light or error of some kind .
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Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC and other monitors to get some ideas what goes wrong: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.
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Whistle noise? POP? Black out

sounds like the lamp has shattered. check the lamp
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