SOURCE: GV42L Vizio HDTV Problem
You didn't mention whether you have any audio; details like that can influence the response.
If you have audio but no visible video, look at the screen from an angle for 10-20 seconds to see if any video is present.
If you do see some shifting shadows on the screen and have audio, the backlight or its power supply (inverter) has probably failed.
SOURCE: Vizio tv chanel search is not finding digital chanels.
On your remote, select input as TV, then verfiy that you have set to Antenna, Then scan for channels.
SOURCE: vizo GV42L HDTV Only a blue screen when I turn
look for "blue filter" in your setup and turn it off
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 [email protected]. thanks, keith
SOURCE: Vizio GV42L 42 in. will not receive digital
You have to make sure it is set to 'AIR' not 'CABLE' when choosing scanning setup.
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