These boards have been removed from mostly new TVS with broken screens and should work if properly installed. LG 75UM750PUD TV CONTROL BOARD 44-97713660 / C-PCB HV750QUB-N9D. Please verify that your board part number is the same as 44-97713660 / C-PCB HV750QUB-N9D. The part number is the first number left of the /, or the sole number listed. Most often written in title as (part number / board number)