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Flow Chart of Troubleshooting
9-14
9-8. Back Light (for LCD)
Replace the LCD Module
Yes
Yes
No
Resolder U101
U101 PIN 12~16 = H ?
Yes
No
Resolder U101
U101 pin 1, 2 = 3.8V ?
Backlight does not work
Yes
Yes
No
END
Set LCD Contrast on high level
Is LCD Contrast set on high
level in the Menu?
Содержание SGH-D900
Страница 28: ...8 PCB Diagrams 8 1 8 1 Main PCB Diagram Top ...
Страница 29: ...PCB Diagrams 8 2 Bottom ...