Samsung HPT4254X/XAA, HPT5054X/XAA Samsung Electronics 4-11, %Sustain Open (some horizontal lines don't exist on screen), 'Sustain Short (some horizontal lines appear to be linked on Video)

Troubleshooting
Samsung Electronics 4-11
%Sustain Open (some horizontal lines don't exist on screen)
[ Y-FPC ]
Sustain Open
After Changing Y-buffer,
recheck the status
Done
(Defect is from Y-buffer)
Replace the Panel
There is a defect on the FPC
OK
NG
'Sustain Short (some horizontal lines appear to be linked on Video)
[ Y-FPC ]
Sustain Short
(Discharging in unwanted Scan line)
After Changing Y-buffer,
recheck the status
Done
(Defect is from Y-buffer)
OK
NG Replace the Panel
There is a defect on the FPC