Hi all, i would love to add a pincushion circuit to my KV-5100. the traces are on the board, but the parts were never populated from the factory. Cant find anywhere in the service manual schematics for the components i need to add. what parts are needed?
The PCB has a place for a pot labelled RV505, but there is no RV505 in the service manual,
I have attached a pic of the area in question.

(bottom left of pcb)