Conclusion: Exchange the Panel
Source Driver
LCD Panel (Gate Driver is in Panel)
Diagnosis
The Gate driver is defective.
So, exchange LCD panel.
Picture Defect (1) (D Series)
Gate
Driver
LVDS DATA
Control DATA
TC board
LVDS DATA
A board
(LVDS= Low Voltage Differential Signaling)
Sample Picture
Abnormal area
Slide # 81