I have a vizio vz37l tv. When i turn it on the screen lights up, however there is no picture on the screen. the sound works, its just no picture on the screen. I read on a couple of the posts on here, and figured the proper course would be to replace the t-con board. I just finished replacing the tcon board and still the same thing. I called vizio about the problem and they say that if the screen lights up then the problem wouldn't be the backlight inverter boards, that it might be as simple as a bad cable (the fragile looking cable going from the main board to the tcon board) are they correct, should i replace the cord, or could it in fact be the backlight inverter boards. SUM-UP of T.V. screen lights up, no picture sound works on all audio hookups power buttons, volume control, input buttons work.
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Did you check out the power supply for proper operation since both the audio and video are gone? If PS is good then the problem may very well be on main board.
? 5:56
https://www.youtube.com/watch?v=xUzCLgoSPGM
Sep 15, 2014 - Uploaded by ShopJimmy.com
LED & LCD TV How to Diagnose Symptom of No Image on the Screen ... Was working fine and now blank ...
? 4:52
https://www.youtube.com/watch?v=IBRE1Dcyxp4
Jan 13, 2012 - Uploaded by Clay Whitehead
My tv stopped working, it had the sound but no picture, so I did a little research and fixed it. ... vizio E701i-A3E ...
? 5:06
https://www.youtube.com/watch?v=fSCf1xxLjNA
Aug 27, 2015 - Uploaded by ShopJimmy.com
Basic Troubleshooting Help if your Vizio LED TV has a blank screen and no ... It is on an UPS but turned off ...
My 47" LCD Smart T.V. was working fine last night. I got up this morning and I have sound but no picture. The VIZIO icon lights up as usual but I get no picture, only sound. From the time I turned it on, nothing appeared on the screen. I have already tried unplugging it for a while and still nothing.
LCD's use a colorful crystal see through display which only visible when light is shining through it. if you have sound and no picture it's always a faulty PSU. Very easy to change out actually.
any luck? might 37" vizio just had this problem, all of a sudden no picture sound just fine, I call vizio and they say could be motherboard, do I bother fixing this, or just get a new one?
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