Part Type: X-Main Board XSUS X-Sustain SS Board Part Number: TXNSS1HMTUJS MFR Part Number 1: Panasonic TXNSS1HMTUJS Board Number(s): TNPA4187 Known Models: PANASONIC TH-50PC77U TH-50PE77U TH-50PH10UK TH-50PH10UKA TH-50PX75U TH-50PX77U Panel Sticker Number: MC127H27F10 Panel Manufacturer: Panasonic