Question about Televison & Video
While watch the set the screen suddenly went black. Set still has sound but no picture.
Check and replace the back-light inverter board. Contact any service technician. If you wish to get some details; check the site linked here.Viewing it in "Mosaic" will make surf easy.
Posted on Feb 13, 2014
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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
Same thing just happened to me contacted Vizio had me unplug the TV from the wall for about a minute and then replug and cut the TV back on and everything was fine. I have the television hooked into HDMI1.
Posted on Dec 24, 2008
SOURCE: Picture outside of screen limits
I have Time Warner Cable and just FIXED this problem. On the cable box remote, there is a button with the word "Aspect" on it. On my particular remote, this is the "#" button (pound symbol) and by pressing that button, it gives you options of "Zoom 1", "Zoom 2", "Stretch" and "Normal". By setting it to "Normal", it completely solved the problem. Oh and by the way, my t.v. is the LG 47" flat screen LCD. Hope this helps the other frustrated folks out there.
Posted on Jul 03, 2009
Look at the power supply first; look for burnt parts, bad capacitors, etc.
Please post back what you find. It sounds like at least you do have the 5V standby power supply working but the main supply is not getting the 'ON' command from the main board, or the power supply is gettin ght e 'ON' signal but failed to turn on.
Posted on Dec 02, 2009
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