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8. Level 3 Repair
8-4-36. CDMA BC0/10, WCDMA B5/8, LTE B5/8/12/13/17/18/19/
20/26/28/29 TX
NORMAL CONDITION
Catch the channel?
Check RFS 1000
about ≥ 23dBm?
Check C1006 ≤-65dBm
Check C1016 ≤-65dBm
Check component
soldering status ok?
U1002
Check C1018 ≤-65dBm
Check soldering status(U2102)
and the voltage at
C2081,C2003,C2077=0.8V,
C2002=0.875V,
C2008,C2007=1.7V,
C2086,C2087=1.2V
Receiver is OK?
END
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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Check the ANT, Sub PBA
Yes
Resolder or change
RFS1000, C1005, L1003, C1006
No
Resolder or change
F1000, C1016
No
Resolder or change
No
Resolder or change
C1018, C1084
No
Resolder or change
U2102
No
Resolder or change
U1002
UCP500
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