Question about Vizio GV42L 42 in. LCD Television
Hi, I have a Vizio HDTV GV42L and when I am watching HD channels, there are significant slowdowns, the video becomes weird as all kinds of squares show up and the sound is choppy. It's especially bad on CBSHD and ESPNHD. I know there might be a bigger issue because I have a HDTV CRT television in the bedroom and it does the same thing on that TV. Could it be my cable (with Comcast) or could it just simply be the HD channels? Or could it be something else? Please help. Thanks!
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Posted on Jan 02, 2017
SOURCE: Vizio GV42L 42inch LCD/HDTV
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 firstname.lastname@example.org. thanks, keith
Posted on Aug 10, 2009
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