Replacement Main Board S0104-1 (48.73F02.011) for KLV-42EX410 / LC420EUN

Main board replacement labeled S0104-1 with PCB number 48.73F02.011, intended for use in KLV-42EX410 sets and compatible with LC420EUN panels. This board serves as a direct swap for the original main board in these models — check the part code on your existing board to confirm compatibility before purchasing.