These boards have been removed from mostly new TVS with broken screens and should work if properly installed. LG 70UN6955ZUC TV MAINBOARD EBT66488406 / EAX69083603. Please verify that your board part number is the same as EBT66488406 / EAX69083603. 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)