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Flow Chart of Troubleshooting
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9-27
9-14. GSM Transmitter
C111 >=7dBm
Yes
F101 Pin4 ≥ 6dBm
Yes
Yes
F101 Pin25 ≥20dBm
Yes
C105 ≥25dBm
TX ON (5 Level)
Yes
Replace U101(PAM)
No
F103 Pin1 ≥ 7dBm
U101 Pin7 ≥20dBm
Yes
Check UCP300(MSM)
END
Replace U100(RTR6275)
No
Resolder R112
No
Replace F101
No
Resolder C148,R106
No
Rplace F101
No