Please help, I need the schematic for this model, 2 PWM burns

Banana Pi Router design
1

Please help, I need the schematic for this model, 2 PWM burns.

banana
banana480×640 124 KB
banana1
banana1480×640 133 KB
banana2
banana2960×1280 286 KB

2

Which board is this? I guess a rockchip one bacause of the rk pmic…but main cpu is hidden by thermal pad