If you replace the motherboard, the new board may be programmed for a 1366x768 resolution while your screen is 1920x1080, leading to a distorted or missing image.
Ensure the backlight voltage (35V–79V depending on the specific sub-model) matches your LED panel to avoid burning out the LEDs. tpsk506spb802 firmware
The most common method for updating this board is the "USB Upgrade" method. If you replace the motherboard, the new board
Once the flashing stops or the TV reboots automatically, remove the USB drive. Critical Safety Warnings If you replace the motherboard
Managing the firmware on these boards is critical for resolving boot loops, fixing "hanging" logos, or matching the board to a specific display panel resolution. Hardware Specifications
Default programs typically support 1366x768 (HD) or 1920x1080 (FHD).