Part Type SU Board Upper Scan Drive Part Number TXNSU1RKTU MFR Part Number 1 Panasonic TXNSU1RKTU MFR Part Number 2 Panasonic TXNSU1RKTUJ Board Number(s) TNPA4403 Known Models Panasonic TH-46PZ800U TH-46PZ80U TH-46PZ81B TH-46PZ82BA TH-46PZ850U TH-46PZ85U TH-46PZ8BA TH-C46FD18