Smart TV Motherboard (3-in-1: Power, Backlight Driver, Logic) Supports up to 1080p (Full HD) Connectivity HDMI, USB, CVBS, PC-RGB (VGA), and WiFi Panel Voltage Typically 12V Common Use Replacement for Xion Xi-led50smart and Masimo LE-55FS Community & Technical Insights
: The "4GB" in the filename typically refers to the eMMC Flash storage capacity on the board. Download MT5507 PC821 1920x1080 4GB REF48 USB part1 rar
: Flashing incorrect firmware can "brick" your motherboard (render it permanently unusable). Ensure the board model TP.MT5507.PC821 and the panel resolution match exactly before proceeding. Smart TV Motherboard (3-in-1: Power