Ok so one question I had was about the eval boards involved with this filter. There are parts of the circuit that need to connect to ground that don't seem to have a connection to ground. For example, on the design, it says that capacitor C9B is going from 15V to ground, but on the actual board the hole that it leads to seems not to connect to anywhere. I'm mounting the eval boards parallel to the motherboard, so should I solder wires onto the back of the eval board to connect those parts to ground on the motherboard? I've attached a close-up picture of one of the eval boards, the motherboard, and the circuit design to hopefully make things more clear.
Hope this makes sense!