I may already have a 14-pin machined socket, and am on familiar territory with replacing ICs, as well as having a passable temp-controlled iron.
Mainly a hobbyist, I've been able to repair such things as tube and solid state guitar amp circuits, outboard studio gear, as well as rebuild a few mixing desks and their power supplies. I've done mic mods and built tube mics from scratch, but this thing has been a real lesson for me.
I truly appreciate your help, and have learned a lot in several areas, which is why I do this. Your photos and text helped me understand the circuit better.
Let's hope this fixes most of my problems. tho I know I have a bit of keyboard contact cleaning to do. That can wait until I'm sure the rest is working.
Will continue to poke and familiarize myself with the scope.
Much thanks.