Pulse Width Modulation signal used to adjust the brightness levels of the backlights dynamically. Firmware Architecture and Flashing Process
While a full, downloadable "schematic diagram" in PDF format is rarely released to the public by the manufacturer (CVTE), the board's architecture follows a standard "three-in-one" driver design. Key components and interfaces typically include: T.sk105a.03 Schematic Diagram
Using a multimeter in DC voltage mode: