Does anyone have a detailed description of the internals of the P4? e.g. what each PCB does; location and function of antenna wires, camera interface, etc... I'm hoping to learn as much about this thing from the inside out. I'm hoping to use this information to help me narrow down the exact location of some of the problems I'm having.


Manuals? Schematics? Parts breakdown?

No such animal, and never will be. DJI is like coke.  Everything is closely guarded.  After your first crash, you'll get a good look at the guts for sure.