LG Top Load Washer Model WT7700HVA Mode selector switch on control panel turns but very difficult to get modes to cycle appropriately. Do the contacts for this rotary switch reside in the PCB Main assembly or the PCB Display assembly?

Washer Repair
1

Brand: LG
Model Number: WT7700HVA
Main Symptom: Mode selector difficult to advance to next mode on dial when knob is turned.
What happens & when:

Error Code (if any):
Parts or tests already tried:
Photos / video link:

2

The mode selector knob will be part of the display control board.

https://www.appliancepartspros.com/lg-pcb-assembly-display-ebr78538801-ap5977752.html

3

Thank you very much! I kinda thought so but it is reassuring to hear from somebody who has experience here. Happy New Year!