Gsm Receiver - Samsung SGH-Z720 Service Manual

9-14. GSM Receiver

RF input : CH center freq
RX ON
Amp : -50dBm
Yes
C100
≥ -65dBm
Yes
C130
≥ -65dBm
Yes
L116
≥ -70dBm
Yes
U101 pin
11,12,13,14
≥ 500mV
Yes
Check U101
END
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No
Resolder RFS100
No
Resolder U100
No
Resolder F102
No
Resolder U101
or Check pins related to U101
9-25
Flow Chart of Troubleshooting