Question about Vizio GV42L 42 in. LCD Television

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Vizio GV42L 42inch LCD/HDTV

I've had my Vizio GV42L 42inch LCD/HDTV for 12 months+. I was watching tv and all off a sudden the screen went blank. No sound and i had to unplug the TV to turn it off. Does any one know what wentout and what to expect in repair costs. Thanks.

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  • Jeff Sapp Aug 10, 2009

    Thanks Keith,
    Last week i installed a new/refurbished Power Supply Board. This did nothing to solve the problem. Posting now to hopefully narrow the troubleshooting for the other sorry suckers that purchased a Vizio.
    OK, so on to the Control Board. Are you refuring to the large board across the bottom that all the business plugs into? There is a small board on the upper middle, and another on the side for the Botton Controls. Haven't went any deeper than that. summary: "Which is the Control Board?" also: "Is it important to the troubleshooting to note that the HDTV made a sound not quite unlike Ye Ole Poleroid Flash Bulb when it went out?" ((poof))
    Thanks again for your input.
    Reluctant Student of Vizio Eletronics,
    Jeff
    brkooduh66@yahoo.com

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There are several possibilities. first if the unit comes on and the "VIZIO" light turns white, but no picture or sound, then the main control board is most likely the issue. could be the LCD control board(s) depending on model one or two. and ultimately could be the power supply on the upper side....if the "VIZIO" light does NOT turn white, the whole power supply unit is out. after that, would have to scope the circuits to find out. Seems that the control board is the most common and tends to happen on many different sizes. new board will be around $350.00. Might get lucky and find a used one, but it MUST be EXACT part or it wont work right. if you dont find one or want to sell yours for parts, id be interested in the screen. can reach me at kmarlin@grandvalleygolfclub.com. thanks, keith

Posted on Aug 10, 2009

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I have a model # VIZIO vw42l hdtv10a with a serial # LSPBLBH4510595 with a MFG date of November 2007. It wont do anything no lights no red vizio light nothing can you tell me whats wrong.

Posted on Mar 15, 2011

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