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RX ON
RF input : CH center Frequency
Cell Power = -60dBm
Yes
F100 pin11
≥-62dBm
Yes
F100 pin3,4
≥-65dBm
Yes
U101
pin24,25≥-70dBm
Yes
U101 pin4,5,6,7
≥0.2Vp_p
Yes
Check UCP200
END
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No
Resolder RFS100, C101, L101
No
Check F100
pin10,14 = L
No
No
Resolder C128,C129,L107
U101
No
pin11,12,16,17,29,
32,33,36
≥2.8V
No
9-17
Flow Chart of Troubleshooting
Yes
Check the ANT switch
control circuit
Change or Resolder
F100
Yes
Check & Resolder
C122,C124,C126
Change or Resolder
U101
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