Sharp SGH-F250 - Manual (Page 50)

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Flow Chart of Troubleshooting
9-22
9-11. Radio part
C128 ≥ 1.8V
Radio does not work
C318, C154, C136, L113
is OK?
(When U101 operate)
Resolder C138, C154, C136, L114
and check U101
No
Yes
No
Resolder C128
and Check PMU part
Yes
END
Yes
Check signal
related to U101
Yes
①
②