As usual, when I ask questions in public, it turns out I was just full of it. We got the back off, exactly as you'd think... by removing the screws. We ended up having to pull on the cord, because we were stumped.
Now I just have to figure out what size nut I need for the jack...
Thanks anyway, folks.
Now I just have to figure out what size nut I need for the jack...
Thanks anyway, folks.