Panasonic TC-L42D2 Technical Manual page 68

Picture Defect (1)
Trouble
Where is
the abnormal picture
displayed ?
Upper or Lower
Left or Right
Vertical or Horizontal line
All over the screen
(3)No picture
(1)Part of the screen
Upper
Panel
Lower
Panel
Right
Panel
Left
Panel
Panel
(2)All over the screen
Abnormal color
Many vertical lines
Non-uniformity color
Panel
OSD trouble
A Board
Slide # 68