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8. Level 3 Repair
8-4-39. LTE B2/25 DRX
NORMAL CONDITION
catch the channel?
Check C2002
≤
-65dBm ?
Check C2082
≤
-65dBm ?
Check component soldering status OK at
F2002 ?
Check L2022
≤
-65dBm ?
Check C2048
≤
-65dBm ?
Receiver is O.K?
END
Resolder or change
ANT2005 or ANT2001 or C2002
Resolder or change
C2082 or C2002
Resolder or change
F2002
Resolder or change
L2022 or F2002
Resolder or change
L2022 or C2048
Resolder or change
U2010
Resolder or change
U2009 or UCP500
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Check C2047
≤
-65dBm ?
Resolder or change
C2047 or U2010
NO
NO
YES
YES
Check the voltage at
C2049 = 1.8V &
Check component soldering status
OK at U2010 ?
YES
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