Samsung SM-G973F Service Manual page 85

8. Level 3 Repair
8-4-27. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/14/17/18/19/
20/26/28 RX
NORMAL CONDITION
Catch the channel?
Check RFS 1000 ≤ -65dBm
Check C1004 ≤-65dBm
Check L1008 ≤-65dBm
Check component
soldering status ok?
PAM1000
Check C1026 ≤-65dBm
Check component
sorldering status ok?
U3000
Receiver is OK?
END
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No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Check the ANT, Sub PBA
No
Resolder or change
RFS1000, C1004, L1001, C1005
No
Resolder or change
F1000, L1008
No
Resolder or change
PAM1000
No
Resolder or change
C1026, L10104, L1017
Resolder or change
U3000
No
Resolder or change
UCP5000