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8. Level 3 Repair
8-4-34. LTE B7/30/38/40/41 RX
NORMAL CONDITION
catch the channel?
Check RFS1003 :
≤
-65 dBm ?
Check L1016 :
≤
-65 dBm ?
Check component soldering status
OK at U1013
Check C1047
≥
-65 dBm ?
Check C1072
≥
-65 dBm ?
Check soldering status(U2009) and the
voltage at C2008,C2032 =1.0V &
C2018=1.2V & C2013, C2017=1.8V
Receiver is O.K?
END
CHECK soldered
RFS1003
Resolder or change
RFS1003, C1082
Resolder or change
U1013
Resolder or change
C1047, U1013
Resolder or change
U1012
Resolder or change
U2009
Resolder or change
UCP500
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
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