Gsm Receiver - Samsung SGH-A801 Service Manual

9-14. GSM Receiver

RX ON
RF input : CH center freq
Amp : -50dBm
Yes
C163
≥ -65dBm
Yes
DUF100 Pin5
≥ -65dBm
Yes
U101 pin
10, 11,12,13
≥ 500mV
Yes
Check U101
END
No
No
No
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Resolder RFS100
Resolder DUF100
Resolder U101
or Check pins related to U101
9-25
Flow Chart of Troubleshooting