crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Move the lid up and down and observe the lines.  Your most likely suspect would be the display data cable:  http://www.ifixit.com/PowerBook-Parts/G4-Titanium-Display-Data-Cable/IF121-013

crwdns2915684:0crwdne2915684:0:

open