Potentiometers for the Left and Right Sticks and the Hall-effect sensors for the triggers. Digital Input: The D-pad and face buttons (A, B, X, Y). Haptic Feedback: Circuitry for the two rumble motors.
Since you cannot see electricity, use thermal dynamics to find the short without expensive thermal cameras:
The schematic PDF typically includes:
schematic PDF for repairs or complex "hot" mods like rapid-fire additions, understanding the internal multilayer printed circuit board (PCB) is essential. Core Internal Components and Layout
They offer:
: On wireless variants, a 2.4 GHz radio frequency section communicates with the Xbox 360 console or a PC wireless receiver.
Use a hot air rework station set to roughly 340°C (644°F) with low air flow to avoid blowing away nearby micro-resistors. xbox 360 controller schematic pdf hot
I can give you targeted advice on which trace lines to test next. Share public link