Table of Contents
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Flow Chart of Troubleshooting
10-16. PCS Receiver
RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
F101 pin13
≥ -65dBm
Yes
F101 pin5,6
≥ -68dBm
Yes
U911
pin 20 ,21
≥ -70dBm
Yes
U104 pin 4,5,6,7
≥ 0.2Vp_p
Yes
Check UCP200
END
No
Resolder RFS100,C113,C154
No
No
Resolder C101, C104, L106
No
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Check F101 pin9,12
= L
Yes
U104
pin11,12,17,32,33 ≥
2.8V
pin 10 ≥ 1.8V
Yes
10-30
No
Check ANT Switch
control circuit
Resolder F101
No
Check & Resolder
C116,C119,C121
And PMU Part
Resolder U104
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