Do not trust the old 1990s scans. Get the new schematic, rework your PCB layouts, and enjoy accurate, isolated current sensing once again.
Available on RealSchematic or via tech forums like Badcaps . Can be found on DeviceDB for Rev 0.2 . Video Walkthrough lah103p schematic new
Trace the flow of electricity from the DC jack to critical components like the CPU and RAM. Do not trust the old 1990s scans