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Flow Chart of Troubleshooting
7-18
7-12. GSM Transmitter
U102(PAM) Pin20
>= 1V
Resolder U102
(PAM)
TX ON (5Level)
Resolder OSC101
(TXVCO)
OSC101(TXVCO)
pin1
>= 2dBm
U102(PAM) pin11
>= 20dBm
U103(ASM)
pin22
>= 25dBm
Resolder U102(PAM)
Resolder U103
(ASM)
Yes
Yes
Yes
Yes
No
No
No
No
END
Check U301
(MSM6250)
Yes