I updated from APM1 to APM2.6 and Output5 seems fried or something on my brand new board. I want to use the output for a camera gimbal and any servo I connect to this pin buzzes like crazy. All other outputs work as expected. I also tried different servos but the same behavior repeats.
Changes in Mission Planner don´t affect the results.
Here is a video of the behavior:
These are my MP settings: