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Flow Chart of Troubleshooting
9-18
9-11. DCS Receiver
Yes
No
Resolder F100, L119, C144
F100
Pin 8
≥
-70dBm
Pin 9
≥
-70dBm
Yes
Resolder PAM100
Yes
No
Check ANT Switch
control circuit
Check PAM100
Pin9=H, Pin10 = L
No
Yes
No
Resolder PAM100, L108, L109,
C132, C134, L110
Yes
PAM100 Pin15
≥
-
65dBm
RX ON
Cell Power : -60dBm
①
PAM100 Pin17
≥
-68dBm
②
③
Resolder L115,L116,L117,L118
Check UCP200
END