Re: Sharp LC-50LB261U - has audio, no picture

I had the same problem. I also replaced the power supply. It didn't fix the problem. Still have audio and still don't have video. I can see background video when I shine a flashlight on it. I don't have a back light tester, or even a voltage meter. I also replaced the function keyboard and the wires that attach to it. I did this because when I removed the screws on the back panel and went to pull it up, I broke one of the cables to the function key board. If you are working on this TV, be sure to remove the function key board (little...