I don't think it's the connection.
The lines is visible on screenshots and the blanker is recating at them (can't realy explain that one).
Ans I have sent it back ones to the retailer and he had no problems with it.
So I do think it's a software problem.
The only thing I can come up with after dissabling everpatch and program except setpatch appart from os3.9 itself is BB2 update.