AI responses may include mistakes. Learn more
If you are looking at this on a board or a schematic (like a BRD file or PDF), it usually serves one of two purposes: PP LV Jmp4
: Stands for Positive Plane . This indicates a power line or "rail" that carries a specific voltage across the board. AI responses may include mistakes
: Technicians use these jumpers to measure if a specific power rail is "present" (e.g., checking for 1.2V or 3.3V) without having to probe tiny component legs. PP LV Jmp4