LG Flatron W2234S - Troubleshooting Screen Defects; Bad Screen and Crystal Circuit Faults

7. BAD SCREEN
21
Bad Screen
LVDS Cable
Reinsert
OK
Workmanship
NG
Change
LVDS Cable
NG
Check crystal
Pin1&Pin2 of
U105
OK
LVDS Cable NG
OK
Check X01,
C157, C158
OK
Check
Pin5&Pin6 of
CN101
NG
Check R102, R103,
R105, R106, Q103
OK
Check Pin28&
Pin56 of U105