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Flow Chart of Troubleshooting
9-14
9-9. GSM Receiver
C103
>= -53dBm
Resolder RFS101(RF CN)
END
No
Yes
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
C221,C226
>= -60dBm
Yes
Yes
Yes
No
C108
= 2.8V
Resolder
U200(TRANCEIVER)
No
Resolder U400(PMIC)
Resolder FEM100(ASM)
Summary of Contents for SGH-F480I
Page 29: ...8 PCB Diagrams 8 1 1 Main top ...