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8. Level 3 Repair
Check component soldering
status U3000
8-4-30. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/18/19/20/26/28 DRX
Receiver is O.K?
END
Resolder or change
V2001, ANT2001, ANT2002,
ANT2009
Resolder or change
L2006, F2005
Resolder or change
FEM2000
Resolder or change
UCP5000
No
No
No
No
No
No
NO
Yes
Yes
Yes
Yes
Yes
Resolder or change
U3000
No
Yes
Yes
NORMAL CONDITION
Catch the channel?
Check V2001
≤
-65dBm ?
Check C2008
≤
-65dBm ?
Check L2006
≤
-65dBm ?
Check component soldering status OK at
FEM2000 ?
Check L2012
≤
-65dBm ?
Resolder or change
C2008, L2008, C2065
Resolder or change
L2012, L2013, C2013