Re: Vizio XVT553SV HDMI ports dead.



I have this exact TV and had the same exact problem. I'm pretty sure the LCD was manufactured by LG (my remote from this TV can control my 60" LGTV). LG TVs from the 2010-2012 timeframe are notorious for their HDMI ports failing overtime. Many people have found that "baking" the mainboard at 385 degrees for 10 minutes in a conventional oven fixes the problem.

I tried the baking method (after realizing the Vizio was made by LG) and it did indeed cause my HDMI ports to work again. It's not for the...