This handles pairing and wireless communication.
The analog sticks use 10kΩ potentiometers to measure movement in the X and Y axes. A common issue is "stick drift," which occurs when these potentiometers wear out and require replacement. 3. Trigger Potentiometers/Sensors Xbox 360 Controller Schematic Pdf
Can you see a printed on the circuit board (e.g., Matrix, CG, CG2)? This handles pairing and wireless communication
Sites like iFixit offer teardown guides that act as visual schematics. : Each stick uses two potentiometers (X and Y axis)
: Each stick uses two potentiometers (X and Y axis). One pin goes to ground, one to 3.3V, and the middle pin provides the signal.
If you are diagnosing a broken controller, use these community maps alongside a digital multimeter set to continuity mode. This allows you to trace lines from the button pads back to the main processing chip to locate hidden cracks in the circuit board.