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10-2-4. DCS RX- SLAVE
Continuous Rx on, Rx input=-60dBm, Channel=698
NORMAL CONDITION
catch the channel?
YES
RFS600 CHECK
Pin#2 ≥ -65dBm ?
YES
F600 CHECK
Pin#19 ≥ -65dBm ?
YES
F600 CHECK
Pin#5, # 6 ≥ -65dBm ?
YES
U 600 CHECK
Pin#22, #23 ≥ -65dBm ?
YES
OSC600 CHECK
Pin#1, #3 : 26MHz
YES
C623,C619 CHECK
Pin#VDD1~4
2.8V ?
YES
GSM1800 Receiver is
OK?
END
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CHECK
NO
ANT600, ANT601, R600, R601
R602, RFS600
contact ?
NO
RFS600
resolder or change
NO
C604
resolder or change
NO
F600
resolder or change
NO
C610,L604,C612
resolder or change
NO
OSC600
resolder or change
NO
U616
resolder or change
NO
DCS RX path components
resolder or change
10-19
Flow Chart of Troubleshooting
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