Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringem
ent of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
Check soldering status(U22000)
and the voltage at
C22045,C22021,C22001=0.8V,
C22028=0.875V,
C22019,C22008=1.7V,
C22043,C22031=1.2V,
C22042=1.8V
8-3-36. LTE 48 DRX
Receiver is O.K?
END
Resolder or change
ANT2000, ANT2007, V2007
Resolder or change
C2002
Resolder or change
F2303
Resolder or change
UCP500
No
No
No
No
No
No
NO
Yes
Yes
Yes
Yes
Yes
Resolder or change
U22000
No
Yes
Yes
NORMAL CONDITION
Catch the channel?
Check C2005
≤
-65dBm ?
Check L2001
≤
-65dBm ?
Check C2002
≤
-65dBm ?
Check component soldering status OK at
F2303?
Check component soldering status OK at
INT11000?
Resolder or change
L2001, F2000, C2503, L2023, C2004
Resolder or change
INT11000
