These boards have been removed from mostly new TVS with broken screens and should work if properly installed. SONY XBR65X850F TV LED MODULE STO650A68 64LED R REV01, STO650A68 64LED L REV01. Please verify that your board part number is the same as STO650A68 64LED R REV01, STO650A68 64LED L REV01. 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)