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9-9. Back Light Part(For Color Main LCD)
Backlight does not work
Is BACKLIGHT set always
ON in the Menu?
Check the output voltage of
U303(Pin #2) is equal to
Replace the LCD Module
Yes
Yes
3.7V
Yes
Yes
END
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No
Set BACKLIGHT on Always ON
No
9-22
Flow Chart of Troubleshooting
Replace the U303
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