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Flow Chart of Troubleshooting
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9-29
9-19. Radio part
R406, R413, C423
≥ 2.8V
Radio does not work
R405, R409,C420, C421
≥ 2.8V
Resolder R405, R409,C420, C421
and check U501
No
Yes
No
Resolder R406, R413, C423
and Check PMU part
Yes
L400 ≥ 2V
check or Replace U403
No
Yes
END
Yes
C428, L401, C429, C431
is OK?
Resolder C428, L401, C429, C431
No
Yes
Check U200
Yes
Summary of Contents for SGH D900i - Ultra Edition 12.9 Cell Phone 60 MB
Page 36: ...8 PCB Diagrams 8 1 Top ...
Page 37: ...PCB Diagrams 8 2 Bottom ...