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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-25
9-18. PCS Receiver
RX ON
Cell Power : -60dBm
F100 Pin11
≥ -65dBm
Yes
Resolder CN100,C102,L109
No
Yes
No
Check F100
pin10,pin14 = L
F100 7,8
≥ -68dBm
Check ANT Switch
control circuit
No
Yes
Resolder F100
Yes
U102
pin 20 ≥ -70dBm
pin 21 ≥ -70dBm
Resolder C113, C119, L113
No
Yes
U102pin 11,12,16,
29,32,33,36 ≥2.8V
pin10≥1.8V
No
U102 pin 4,5,6,7
≥ 0.2Vp_p
No
Check & Resolder
C122,C126,C128
And PMU Part
Yes
Yes
Resolder U102
Check UCP200
END