Level 3 Repair
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8-66
8-3-29. LTE Band7
CONTINUOUS RX ON
RF INPUT : 3100CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
Check component
soldering status OK at
RFS1002
Resolder or change
U100,U105,F106,PAM100
Check the freq. at
OSC3000 PIN 3 :
19.2MHz ?
Change or resolder
OSC3000
Check L148,C104
≥
-65dBm ?
Resolder or change
CPL101
WB2 / LB3 Receiver is O.K?
Resolder or change
U2010
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check C111,L157
≥
-65dBm
Resolder or change
C135,L126,L158,
L156,C133
NO
YES
Resolder or change
RFS1002
NO
Check component soldering status
OK at U100,U105,F106,PAM100