![background image](http://html.mh-extra.com/html/samsung/sm-a810f/sm-a810f_service-manual_1191620080.webp)
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
Check CPL1000 PIN3
= 22dBm
8-4-22. TX (GSM900 / WCDMA 5 / LTE 5,7,8,17,20,28,38)
B5,8,17,20,28 L1092
B7,38 C1087, L1054
G900 L1021
Check 0dBm
Check
B5 C1000 / B7 C1162
B8 L1096 / B17 L1097
B20 C1062
B28 L1098
B38 L1079
GSM900 C1131
above 22dBm
GSM900 above
28dBm
확인
Yes
Faulty part
Resolder or replace
Yes
Yes
Resolder or replace
C1006, L1004, CPL1002
RFS10000 /
L1002 (G900, B5,8,17,20,28)
L1047, C1123, L1050 (B7)
L1047, C1123. L1076 (B38)
Resolder or replace
C1148, L1018, F1000
Check C1148=2.8V
Faulty part
Resolder or replace
No
No
No
No
Yes
Check condition
Resolder or replace
U3001
Resolder or replace
UCP300
Yes
END
No
Check condition
No
Yes