Heimdall Bypass Schematic
Replace J1 with Molex 43650-0200 and rewire it
Replace polymer input bank with four 10uF 50V X7R 1210 capacitors and add RC damping
Verify revised power input schematic and ERC
Regroup the complete power section adjacent to J1 and recheck placement
Resume routing, pours, stitching, and silkscreen cleanup
Run final DRC and report board dimensions and tallest component
USB_ENUM_OK connection between D14 and U3.