Samsung 720N - Bad Screen

4 Troubleshooting
4-8
4-8 Bad Screen
Bad Screen
LVDS Cable
Reinsert
Workmanship
Yes
Change LVDS
Cable
LVDS Cable NG
Yes
No
Check
Crystal:Pin96,97 Of
U105
Check :X101, C153,
C154
Yes
No
Check the
communication Of
U105 and U106
Check: SDO, SCZ, SCK,
SDI, Reset
Check the pins of U105
and U106
No
Yes
Yes