Gsm Receiver - Samsung SGH-J750 Service Manual

9-9. GSM Receiver

RF input : CH center freq : +67.7kHz
RX ON
Amp : -50dBm
Yes
C131
>= -53dBm
Yes
C120 = 2.5V
C121,C127,C128 =0V
Yes
C207,C208
>= -60dBm
Yes
Resolder
U200(TRANCEIVER)
END
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No
Resolder RFC100(RF CN)
No
Resolder U402(PMIC)
No
Resolder RFS100(ASM)
9-17
Flow Chart of Troubleshooting