Hacking Xbox controller

Chips to remove: U4 - TCA6416RTWR - (the only large ic on the power board) This chip handles IO Expansion for all the buttons. Test points to tap: // ON THE POWER BOARD 13 - 5v from the USB 19 - LB 20 - RB 21 - A 22 - X 23 - Y 28 - LED through Q3 39 ...