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Flow Chart of Troubleshooting
9-16
9-10. Sub Key Back Light
Sub Key LED does not work
Yes
No
Check the U103 related to
"SLIDER_KEY_ON" signal
U103 pin 3 = H ?
Yes
Replace U103
No
U103 pin 5 = H ?
Yes
END
Содержание SGH-D900
Страница 28: ...8 PCB Diagrams 8 1 8 1 Main PCB Diagram Top ...
Страница 29: ...PCB Diagrams 8 2 Bottom ...