Part Type: Key Controller Buttons GK Board Part Number: TXFBX01WSER MFR Part Number 1: Panasonic TXFBX01WSER Board Number(s): TNPA4874 Known Models: PANASONIC TC-42PX14 TC-P42S1 TC-P46U1 TC-P50X1 TC-50PS14 TC-P42U1 TC-P50C1 TC-P54S1 TC-P54V10 TC-50PX14 TC-P42X1 TC-P58V10 TC-P58S1 TC-P42C1 TC-P46G10 TC-P50G15 TC-P42G10 TC-P46G15 TC-P50S1 TC-P65S1 TC-P42G15 TC-P46S1 TC-P50U1