So I swapped out the power board and the main board today for replacements from ShopJimmy and the TV turned on for about 5-10 minutes before going black again. I haven't been able to get it back on since then. It was on long enough to go through the tv set up, sign on to my WiFi, and sign into...
I'd be curious to know what the voltage of a brand new working tv is. Maybe they're all 19/22v and it's not a power board issue. But we both swapped out the main boards too, plus you did all the other boards. Hopefully you got a dud power board, like you suspected, and mine will test at 12v when...
Your power board is also reading a higher number for the 12v pins? Is it 19v or something around that? Did it do that before and after you swapped out the power board? I just ordered a replacement power board from ShopJimmy which should arrive later this week. I'll let you know if that does the...
The TV is a Vizio D55U-D1. The screen will not come on, but the white LED indicator does come on. It lights up, fades, sometimes blinks, and eventually turns off. It also sometimes comes back on after a few minutes. The screen always remains blank. I have tested several things inside the TV with...