Question about Vizio L32 32 in. LCD HDTV

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Vizio 42" 1080p HDTV LCD.

My 42'' Vizio HDTV LCD made click click noise when turn on and turn off, even sometimes TV off I still hear sound click, click...inside the TV.

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Re: Vizio 42" 1080p HDTV LCD.

This is likely due to heat expansion (turned on) and contraction (turned off).

Posted on Nov 26, 2007

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not good to hear noise before loosing picture .might have fried the power supply.

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Last night our TV made a loud popping noise then the picture went out. We still have sound but have trouble turning the TV off. What could this be and is it fixable? Thanks, Anne Marie Orcutt

Question shows it is Vizio L32 lcd tv and symptom shows back light inverter board for defective for some reason and loud noise would be popping of any chip on inverter board. has replacement boards of that model on reasonable price and local tv repairman will replace defective board after checking/ testing the tv.
Hope these info will help.

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2 Answers

Loud buzzing noise on vizio tv

It sound like you may have sound processor problem which is part of the main board, I would also look at the 12vdc from power supply to make sure it is clean DC.

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My lcd tv makes a humming noise

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1 Answer

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our brand new Vizio 32 HDTV has poor sound quality, so irritating in it's flat muffled character that I can't watch it. My electrical engineer husband as attempted to change it (he does not hear the difference between the Vizio and our two Sony...there is a BIG difference) by turning off the surround sound. But to me nothing has changed. What do you think? it sounds a little bit like an old radio or a broadcast from inside a closet. Hmmm

Jan 08, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

Vizio Speaker Making a Buzzing Noise

My 32" vizio I bought a week ago does the same things.

Buy an external sound system for the tv. Turn the speakers off in the TV menu. Hook the sound system up to the out speaker hookups on the tv.

You will not only have better found, you will fix the speaker buzz problem.

Feb 19, 2008 | Vizio L32 32 in. LCD HDTV

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