), backlight voltage, and of your exact LCD panel.
What is the listed on the internal sticker? What symptoms is the TV currently showing? Share public link firmware vst53c4mbmbin verified
Make sure the drive is USB 2.0 and formatted to FAT32. ), backlight voltage, and of your exact LCD panel
Enter Service Menu ( Input + 2580 or Menu + 1147 ) and toggle the or JEIDA/VESA setting. Upside Down Display Mirror mode active. firmware vst53c4mbmbin verified