I see what you’re pointing at now. Missed the thin red lines.
edit:
I thought I knew what those were when I first posted. When I realized it was the "FT9C" I had to edit and admit ignorance.
I’ve looked all over the place and have found very little. I did find somebody who has been mapping out a Switch boardview on another forum. He’s pretty active and has been helping others identify their missing components…maybe give them a shout?