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Flow Chart of Troubleshooting
9-28
9-13. DCS Receiver
Check F100
pin9,pin11 = L
Check UCP200
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Resolder U101
Check & Resolder
U101, U101, C118, C116,
C115
And PMU Part
C118, C116, C115
≥ 2.8V
C114 ≥ 2.9V
Resolder L106, L105, L109
Resolder F100
Check ANT Switch
control circuit
L105 ≥ -70dBm
L109 ≥ -70dBm
U101 pin C2, B1,
B2, A1 ≥ 0.2Vp_p
F100 5,6
≥ -68dBm
RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
No
END
Resolder RFS100,C101,L107
F100 Pin8
≥ -65dBm
Содержание SGH-J700
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