The Daktronics AD 16/16/F/120 is a dedicated display controller module that interfaces with LED or LCD scoreboards to drive pixel output and manage content scheduling. Common failure points for this class of industrial display boards include power‑rail degradation (especially the 12 V rail), failure of key surface‑mount ICs such as the video processor or microcontroller, and corrosion or damage on the high‑current driver traces that control lamp banks. Initial troubleshooting should verify the input voltage levels and continuity of the main supply rails, inspect for visible burn marks or cracked components on the board, and review any error codes or diagnostic LEDs displayed by the controller. If power is stable and no obvious physical damage is found, proceed to test the signal integrity between the controller and the display panel using an oscilloscope or logic analyzer.[oss-gpt-20b]