Level 3 Repair
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8-74
8-3-33. LTE Band40 RX
CONTINUOUS RX ON
RF B40 INPUT : 39150
AMP : -50dBm
NORMAL CONDITION
catch the channel?
Check component
soldering status OK at
RFS1002
Resolder or change
CPL101,U100,F104
Check the freq. at
OSC3000 PIN 3 :
19.2MHz ?
Change or resolder
OSC3000
Check C104,L148,L104
≥
-65dBm ?
Resolder or change
C104,L148,104
WB1/LB1 Receiver is O.K?
Resolder or change
U2010
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check L183,C118,L116
≥
-65dBm
Resolder or change
L183,C118,L116
NO
YES
Resolder or change
RFS1002
NO
Check component
soldering status OK at
CPL101,U100,F104