Samsung SGH E250 Service Manual - Page 50

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 HDC600 PIN 21 = H ? Yes END No Set LCD Contrast on high level No Resolder HDC600 or change PBA 9-15 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
9-15
9-9. Back Light (for Color Main LCD)
Is LCD Contrast set on high
level in the Menu?
Set LCD Contrast on high level
END
No
Yes
Yes
Backlight does not work
HDC600 PIN 21 = H ?
Resolder HDC600 or change PBA
No
Yes