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Flow Chart of Troubleshooting
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9-11
9-6. Speaker Part(Melody)
U800 pin 14 = 2.9V?
Speaker does not work
U800 pin 2, 5 ≒ 1.8V?
(When U800 operate)
Resolder U800
No
Yes
No
Resolder or replace U800
Yes
CN701 pin 2,3 ≒ 1.8V?
(When U800 operate)
Resolder CN701
No
Yes
END
Yes
Is Speaker working?
Change the Speaker
No
Yes
Содержание SGH D900i - Ultra Edition 12.9 Cell Phone 60 MB
Страница 36: ...8 PCB Diagrams 8 1 Top ...
Страница 37: ...PCB Diagrams 8 2 Bottom ...