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Flow Chart of Troubleshooting
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9-21
9-11. GSM Receiver
RX ON
RF INPUT=62CH
AMP=-50dBm
Yes
Check PAM100
pin 7(EGSMRX)
≥
-65dBm
No
Resolder or Change
PAM100
Yes
END
Check UME200
pin G1, F1 (EGSMRX)
≥
-65dBm
>
No
Resolder or Change
F100
Check UME200
MOD_STANDBY=HIGH
PON_PA=LOW
BAND=LOW
Yes
No
Resolder or Change
UCP200
Check C106, C103 and L102
Not ok