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Flow Chart of Troubleshooting
9-36
9
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17. PCS Receiver
U100 Pin37
≥ -65dBm
Resolder L107,L108,L113,C128
RX ON
RF input : CH center freq
Amp : -50dBm
Yes
No
Resolder RFS100
C105
≥ -60dBm
Yes
F101 Pin3
≥ -60dBm
Replace F101(DUF)
No
Yes
U100 pin
10, 11,12,13
≥ 500mV
No
Resolder U100
or Check pins related to U100
Check U100
Yes
END
No
Yes