9-10. GSM Receiver
RX ON
Cell Power : -60dBm
Yes
PAM100 Pin15 ≥
-65dBm
Yes
PAM100 Pin18
≥ -68dBm
Yes
F101
Pin 6 ≥ -70dBm
Pin 7 ≥ -70dBm
Yes
Resolder L126, L129, L127, L128
Check UCP200
END
①
No
Resolder PAM100, L108, L109,
C132, C134, L110
No
③
No
Resolder F101, L126, C146
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Check PAM100 Pin9,
Pin10 = L
Yes
9-17
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
②
Resolder PAM100