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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-23
9-14. DCS Receiver
Check F100
pin9,pin11 = L
Check UCP201
No
No
No
No
No
Yes
YesYes
Yes
Yes
Yes
Resolder U102
Check & Resolder
U102, C117,C123,C126
And PMU Part
U101 pin16,17,29,
32,36 ≥2.8V
pin 10≥1.8V
Resolder C104, C105, L104
Resolder F100
Check ANT Switch
control circuit
U102
pin 22 ≥ -70dBm
pin 23 ≥ -70dBm
U101 pin 4,5,6,7
≥0.2Vp_p
F100 3,4
≥ -68dBm
RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
No
END
Resolder CN205,C103,L102
F100 Pin13
≥ -65dBm