are not publicly released by Microsoft, but the modding community has reverse-engineered highly detailed and pinouts that serve the same purpose for developing new features. Available Schematic Resources

Many open-source projects (like custom firmware or USB adapters) host the raw KiCad or PDF schematics.

As he tinkered with the controller's circuitry, Alex realized that he needed a detailed schematic diagram to help him identify the problematic component. He had heard that the Xbox 360 controller's schematic diagram was available in PDF format online, but he couldn't find a reliable source.

: For repairing or converting a wired controller to USB, detailed wiring guides are available on Scribd .