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My 21 inches lg tv produces sound but a very dark

My 21 inches lg flatron tv produces sound

but a very dark picture

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Check resistors in the small PCB connected to picture tube. Check picture tube grid voltages. Check brightness control swing on the IC out put. Note down the IC no and search in the Google for pin configuration.

Posted on Jul 06, 2010

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Posted on Jan 02, 2017

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