These boards have been removed from mostly new TVS with broken screens and should work if properly installed. SONY XBR49X900F TV CONTROL BOARD LJ94-43037C / 18Y SHU11A2H2A4V0.0. Please verify that your board part number is the same as LJ94-43037C / 18Y SHU11A2H2A4V0.0. 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)