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Flow Chart of Troubleshooting
9-28
9-18. Bluetooth part
Bluetooth does not work
DUF100 pin 2 ≥ -
4dB
Resolder or replace C123,
C128, ANT102
No
Yes
Resolder C120, C121 and
check the PMU part
No
C120, C121
(+positin) ≥ 1.8V
Yes
Resolder
OSC101,C129,C138,R122
No
OSC101 pin 3 =
26MHz (1.4Vp_p)
Yes
No
C126, C127, C131
≥ 1.5V
Resolder C126, C127, L107,
C131 check or replace U103
Yes
No
R115 ≥ 1.8V
C134 ≥
1.7V(32kHz)
Resolder R115, C134
check or replace U103
Yes
Check UCP200
END
Содержание SGH-M610S
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