Part Type: SS2 Board Part Number: TXNSS21EDUUS MFR Part Number 1: Panasonic TXNSS21EDUUS MFR Part Number 2: Panasonic TNPA4804S Board Number(s): TNPA4804 Known Models: PANASONIC TC-50PS14 TC-54PS14 TC-P50G10 TC-P50G15 TC-P50S1 TC-P50U1 TC-P50V10 TC-P54G10 TC-P54S1 TC-P54V10