Hi guys i'm confused where to solder the signal wire from the receiver on the PDB. the board is a kakute f4v2 it has a series of pads where to solder the wires, besides the ground and the 5 volt pad i'm not sure if this wire goes to sp pad or r3 pad,the receiver is a FrSky XM+. My other question is regarding theVTX it's a TBS UNIFY PRO 5G8 V3, i'm not sure if the yellow signal wire goes to the camera or to the pad.
I would appreciate if someone could help me out on this,i don't want to ruin the pub board.
    THANK YOU

So SBUS from XM+ to RX3 on the Kakute.

Yellow from TBS goes to VO on Kakute.
Your camera yellow wire goes VI on Kakute.

THANKS A MILLION, as soon as i wire it up i'll let you know
THANK YOU AGAIN