button on the TV (not the remote) and plug the power cord back in.

# Example Python script to reload factory cal import serial ser = serial.Serial('COM5', 115200) ser.write(b'CAL_LOAD_DEFAULT\r\n') print(ser.read(50))

Tpdnt72563pb781 Firmware Install May 2026

button on the TV (not the remote) and plug the power cord back in.

# Example Python script to reload factory cal import serial ser = serial.Serial('COM5', 115200) ser.write(b'CAL_LOAD_DEFAULT\r\n') print(ser.read(50)) tpdnt72563pb781 firmware install