Samsung PL-42P7HP Service Manual page 48

Troubleshooting
③ Sustain Open (some horizontal lines don't exist on screen)
[ Y-FPC ]
Sustain Open
NG
After Changing Y-buffer, Replace the Panel
recheck the status There a defect on FPC
OK
Done
(Defect is from Y-buffer)
④ Sustain Short (some horizontal lines appear to be linked on Video)
[ Y-FPC ]
Sustain Short
(Discharging in unwanted Scan line)
NG
After Changing Y-buffer, Replace the Panel
recheck the status There a defect on FPC
OK
Done
(Defect is from Y-buffer)
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