Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-38. GSM1800/1900, CDMA BC1, WCDMA B1/2/4, LTE B1/3/4/7/38/40/41/66 DRX
Check C2002
≤
-65dBm ?
Check C2082, C2083
≤
-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 C2083 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
YES
Check C2044
≤
-65dBm ?
Resolder or change
C2044 or U2010
NO
NO
YES
YES
NORMAL CONDITION
catch the channel?
Check the voltage at
C2049 = 1.8V &
Check component soldering status
OK at U2010 ?
Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.