These boards have been removed from mostly new TVS with broken screens and should work if properly installed. LG OLED48C1PUB TV SPEAKERS SET EAB65820401, EAB65820402. Please verify that your board part number is the same as EAB65820401, EAB65820402. 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)