TROUBLESHOOTING GUIDE
E-6
No VGA picture
Replace connection
Yes
Yes
No
Replace Main PCB
Check
if signal of JN4
pin 1,2,3,12,13,15 is normal
Replace N9
No
Check
if v
olatge of
U16 pin 8 is normal
Yes
Replace Main PCB
No
Check
if signal of
U9 pin 16~
28 is normal
Yes
Replace N9
No
Check
if v
olatge of
U16 pin 8 is normal
Replace U9
Yes
No
Check
if signal of
LVDS is normal
