Part Type S Board Power Button Board Part Number TNPA4499S MFR Part Number 1 Panasonic TNPA4499S Board Number(s) TNPA4499 Known Models PANASONIC TH-42PX80U PANASONIC TH-42PZ80U PANASONIC TH-46PX80U PANASONIC TH-50PE8U PANASONIC TH-50PX80U PANASONIC TH-50PZ85U PANASONIC TH-C46FD18 PANASONIC TH-C50FD18 PANASONIC TH-M50HD18