Question about LG 19LH20 19 in. LCD HDTV

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The screen has gone blank but the sound is alright.

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Veril Gillette

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You could have a bad iverter, or a bad power supply, check and see at the input plug on the inverter is the correct voltage , and if so then if wrong, then disconnect plug and revoltage at plug from popwer supply and see if it is correct. Also check power supply module for bulged caps, elctrolytic caps.

Posted on Aug 08, 2011

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SANYADE OMOTOLA

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Hello,


Problem is in either power supply or the Y-Sustain board.

The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.

Often there are fuses on that board - one or more.

if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.

Hope this will help in solving the problem.....

Posted on Aug 08, 2011

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