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Flow Chart of Troubleshooting
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9-23
9-12. Radio part
R501, R503, C509
≥ 2.8V
Radio does not work
R501, R502, C507, C508
≥ 2.8V
Resolder R501, R502, C507, C508
and check U501
No
Yes
No
Resolder R501, R503, C509
and Check PMU part
Yes
L503 ≥ 2V
Check or Replace U501
No
Yes
END
Yes
C516, L504, C517, C514
is OK?
(When U501 operate)
Resolder C516, L504, C517, C514
No
Yes
Check U200 signal
related to U501
Yes
Summary of Contents for SGH E590 - Cell Phone 70 MB
Page 36: ...8 PCB Diagrams 8 1 Top ...
Page 37: ...PCB Diagrams 8 2 Bottom ...