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Flow Chart of Troubleshooting
9-13. PCS Receiver
RX ON
Cell Power : -60dBm
Yes
PAM100 Pin17 ≥
-65dBm
Yes
F101 Pin6,7 ≥
-68dBm
Yes
U101
pin 13 ≥ -70dBm
pin 14 ≥ -70dBm
Yes
U101
pin 27,28,29,30
≥ 0.2Vp_p
Yes
Check UCP200
END
No
PAM100,L100,C106,C102
No
No
Resolder C119,C121,L111
No
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Resolder
Check F101
pin4 = L
pin5 = H
Yes
U101
pin 4 ≥ 2.8V
Yes
9-21
No
Check Tx Module
control circuit
Resolder F101
No
Check & Resolder
L113
And PMU Part
Resolder U101
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