Level 3 Repair
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8-64
8-3-28. LTE Band5 RX / WCDMA B5 / GSM850
CONTINUOUS RX ON
RF INPUT : 4407 CH(WB5)
2525 CH(LB5)
190 CH(GSM850)
NORMAL CONDITION
catch the channel?
Check component
soldering status OK at
RFS1003
Resolder or change
U102
Check the freq. at
OSC3000 PIN 3 :
19.2MHz ?
Change or resolder
OSC3000
Check L147,C102
≥
-65dBm ?
Resolder or change
CPL100,L100,F100
WB1/LB1 Receiver is O.K?
Resolder or change
U2010
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check L121
≥
-65dBm
Resolder or change
L121
NO
YES
Resolder or change
RFS1003
NO
Check component
soldering status OK at
U102
