Samsung SGH E590 Service Manual - Page 54

Back Light for Color Main LCD

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Flow Chart of Troubleshooting 9-9. Back Light (for Color Main LCD) Backlight does not work Yes Is LCD Contrast set on high level in the Menu? Yes U703 PIN 30 = "H"? Yes END No Set LCD Contrast on high level No Check U700 or change LCD 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-17
9-9. Back Light (for Color Main LCD)
Backlight does not work
Yes
Is LCD Contrast set on high
level in the Menu?
No
Set LCD Contrast on high level
Yes
Check U700 or change LCD
No
U703 PIN 30 = "H"?
Yes
END