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Flow Chart of Troubleshooting
9-20
9-15. WCDMA Receiver
C103
>= -53dBm
Resolder RFS101(RF CN)
END
No
Yes
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
C250
>= -60dBm
Yes
Yes
Yes
No
C109=2.8
FEM CTRL1,2=L
CTRL3,4=H
Resolder
U200(TRANCEIVER)
No
No
Check U400(PMIC)
Resolder F201 (Duplexer)
L211
>= -60dBm
Resolder RFS100(ASM)
Содержание SGH-F480I
Страница 29: ...8 PCB Diagrams 8 1 1 Main top ...
Страница 30: ...PCB Diagrams 8 2 2 Main bottom ...