This connector was loose, which is odd because its soldered. The left one is well fitted and fine as are the rest of them, but the one on the right is the one that is a bit loose. I shook it around and lost complete signal and shook it some more and got it to fit like a lego block, and full...
UPDATE
I just moved that big green board that connects to every channel strip PCB, and it restored the sound! Can anyone tell me what that big green connecting board is?
I had an intermitten issue for some time where my pan knobs on the channels would sounds thin and raspy when panned right, and my solution for this was to smack the lower left side wood panel a few times and like magic, the sound would be restored and full. Now it has stopped working. The right...