Samsung SM-A320F Svc Manual page 15

Troubleshooting
Call Problem (with RF equipment)
Step
1 Confirm the defect symptom
2 RF radiation test
3 RF calibration
4 RF radiation test
5 A type of failure
Check point
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Result value
-
Pass
Fail
Pass
Fail
Pass
Fail
2G
TX 3G
LTE
2G
RX 3G
LTE
Defect point
-
Network or Settings
Go to the next step
Go to the step 4
Go to the step 5
Repaired
Except PBA
(Coaxial cable, Antenna,
Shielding condition)
MMMB, Main Femid
TRANCEIVER
MMMB, Main Femid
TRANCEIVER
MMMB or,B7/B40 PA
Main FEM, TRANCEIVER
Main Femid , TRANCEIVER
Main Femid , TRANCEIVER
Main Femid , TRANCEIVER
Confidential