Re: Vizio P502UI-B3 Led Question

Here are pictures of all of the boards in the TV along with the pattern the backlights make....

Hi,

I am attempting to repair a Vizio P502UI-B3 TV. At first, the TV would not successfully boot at all. We replaced the main board and that solved that issue. Now what we are facing is the LED strips are not turning on for one half of the screen. We initially thought the LED driver board could be bad so we swapped it but the symptoms are exactly the same. We disassembled the TV down to the LED strips and noticed that one strip on the left side of the TV does not work and most strips on the right side either light up very dimly or do not turn on at all. Swapping the strips that...

Re: New Members - please post your introductions here

Hi! I'm Adam and live in Fairfax, VA. I've worked on computers most of my life and am slowly trying to learn more about electronics and TV repair. I'm definitely not a pro with hardware / component level repair but would love to learn more.