Level 3 Repair
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8-72
8-3-32. LTE Band38 RX
CONTINUOUS RX ON
RF 38 INPUT : 38000
AMP : -50dBm
NORMAL CONDITION
catch the channel?
Check component
soldering status OK at
RFS1002
Resolder or change
U100,F104
Check the freq. at
OSC3000 PIN 3 :
19.2MHz ?
Change or resolder
OSC3000
Check L148,C104
≥
-65dBm ?
Resolder or change
L148,C104,CPL101
WB1/LB1 Receiver is O.K?
Resolder or change
U2010
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check C111,L182
≥
-65dBm
Resolder or change
C111,C114,C115,L182
NO
YES
Resolder or change
RFS1002
NO
Check component
soldering status OK at
U100,F104