The backlight inverter/LED driver connector uses a 6-pin allocation mapping to enable external inverter hardware:
Because this is a "universal" board, it does not "know" which screen it is attached to until the correct firmware is installed. tvst59031 datasheet pdf 2021
Before connecting power to the board, you . Locating the 3-pin header on the PCB marked 3.3V / 5V / 12V , move the jumper block to match the exact VCC requirement of your LCD/LED screen (consult your panel's native datasheet). The backlight inverter/LED driver connector uses a 6-pin
Check the audio cable connection between the board and speakers, or adjust the settings in the Factory Menu. 6. Accessing the Factory Menu Check the audio cable connection between the board
: Input voltage supplying power directly to the backlight strip driver. Pin 3 (BL_ON / EN) : Backlight enable signal (