Signal is clean going in....coming out of the AD board (?), described as the main board.....there's some snap, crackle and pop on every channel....it's always done this....I just thought it was normal. Service center was able to re-create as well.
I only knew I had an issue when my buddy noticed it, and, since he has one too, we compared....his is dead quiet, no background noise. I wish I would have realized it before the warranty ran out. It sounds like when your input is dirty on an amp....can't really hear it live unless I'm all by myself.
So...$175.00 to fix....but BB is selling these now for $199.000....so IF I buy another, that's probably what I'll do....now I know what to listen for and hopefully not hear.
Posting just in the hopes that someone else has had this issue, and has another way of dealing with it. I've hard reset it, cleaned the jacks, tried another power supply, tried all my guitars, etc.
I may just cut my losses and stick with my analog rig.....#feelingsorryformyself lol.