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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-
24
Change to new component
(U301)
.
If not effect, change to new LCD.
Check the voltage. (If had no
problem, Check the
BL_CONT
signal)
(U301)
10-1-8. LCD Display
LCD does not display
First, Check the connection of FPCB and LCD
Have a some problem of
FPCB
YES
Replace a FPCB
NO
Display a image (MMI)
clearly
NO
Check the connection of LCD and
the solder-status of CN3, SLC300.
YES
Backlight does not work
NO
YES
Backlight's brightness is
uniform
NO
YES
END