These boards have been removed from mostly new TVS with broken screens and should work if properly installed. TCL 65S403 TV BUTTON AND IR BOARD 40-32D29B-KEB1LG. Please verify that your board part number is the same as 40-32D29B-KEB1LG. 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)