Question about Vizio GV42L 42 in. LCD Television

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No sound If switch to regular TV, then I have sound, but when switch back to cable there is no sound. Was working good Friday night, Saturday when turned tv on, had picture but no sound. Please help

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Yep this seems to be a common problem of the main board acting up due to faulty parts that get old prematurely. The source of this problem may be traced (?) to the power-supply regulation spiking caps in different sections of the main board or faulty discount-caps failing where ever they hapen to be used in the schematic.
The jury is still out...

Posted on Feb 16, 2009

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