Sorry it took me so long to respond to your post…
I’m sorry to hear about the XLR jack problem. I’ve experienced that once before and I ended up using a different XLR cable and it seemed to solve the problem. I wasn’t able to figure out what was the issue. Now that i’m thinking about it, I’m wondering if the plastic piece that holds the pins was in crooked or out of alignment somehow, but it seems that you’ve tried that already. Does the metal XLR male housing with out the plastic pin holder inside it fit on one of your XLR female cables alright? That might give a clue if the housing or the pins are the problem.