Recent content by TVman001

If the boards don't fix it, it's either the actual LED screen bad (unfixable, and the source for many of our used parts) or it's the cheap LED backlight strips. The latter is a PITA repair but straightforward to carefully disassemble and replace.

Actually yes, it's fine now, replaced the power supply board. I was a component-level tech back in the day, but then we usually had schematics for the tougher stuff like this with no burned or shorted parts. The power supply has (4 I believe) separate switching or buck/boost converted...

MY 70" Vizio was $2400 new a couple years ago. Now a similar new one can be bought for a little over $800. It is what it is...

TV dead otherwise but when you power on with remote, the LED comes on a few seconds then goes out (protection I guess). Swapped other boards, new PS board 09-70CAR000-00 has to be the problem. There's no LED voltage at the connector, the other voltages at the other DC output connector are fine...