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8. Level 3 Repair
8-4-34. DCS1800/PCS1900, WCDMA B2, LTE B2/3/25 DRx
YES
Check status OK at mechanical material
Change
mechanical material
NO
Receiver is O.K?
END
Resolder or change
U3000
YES
NO
Check L2026
≥
-65dBm ?
Resolder or change
C2022 or L2026 or C2023
NO
YES
Check component soldering status OK at
F2004 ?
Resolder or change
F2004
NO
YES
Check C2012
≥
-65dBm ?
Resolder or change
C2012 or L2013 or C2103 or L2014
or C2013 or C2014 or L2015
NO
YES
Check component soldering status OK at
F2002?
Resolder or change
F2002
NO
YES
Check L2018
≥
-65dBm ?
Resolder or change
SANT2003 or V2002 or L2018 or
C2015 or L2016
YES
NO