Well.. I thought "hey its probably just an electronics problem on his N1 that caused the +/- buttons to stop working" welll if thats the case, I now have the same problem. However, I think its kind of odd that all of a sudden the +/- buttons don't work after getting into the service menu and doing the recal. I am going to see what else I can find... but let me know if you find a solution!
Also, when I tried tracing the white line.. i got a message "Invalid by the outside of a permissible value". I've done a lot of work with touchscreens, and I'm OK with the screen itself being off.. but