9-13. GSM Transmitter
TX ON (5Level)
Yes
PAM401 Pin6
>= 1V
Yes
TCX400(TXVCO)
pin1
>= 2dBm
Yes
PAM401 pin9
>= 20dBm
Yes
F400(FEM)
pin12
>= 25dBm
Yes
Check UCP100
(MSM6275)
END
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No
Resolder PAM401
(PAM)
No
Resolder TCX400
(TXVCO)
No
Resolder PAM401 (PAM)
No
Resolder F400
(FEM)
9-21
Flow Chart of Troubleshooting