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SAM SUNG Proprietary-C ontents may change without notice
SGH-I700 Flow Chart of Troubleshooting
2-15
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10. Backlight Part
Backlight does not work
Backlight "ON" mode in
the menu ?
No
Yes
pin 1, 2 of U319 =
"High" ?
Check U108
using Factory Test Program
Yes
No
Select backlight "ON" mode
Yes
LCD backlight on ?
Replace LCD Module
No
Check the connection
from CN604 to Main
key F-PCB
Replace Main key F-PCB
Yes
No
END
Yes