Cannot remove green lines from LCD screen why?

Hi I have a Samsung Digital-Cam VP-D101 (Model) and when i put any DV tape inside the camcorder i get these lines they just came i recorded 4tapes with out a problem and than all of a saden this thing poped up 5 green lines on the LCD screen even when i turn it on and the camera is playing they are on the screen all the time how an i fix this problem please thank you