Samsung SM-A320F Svc Manual page 17

Troubleshooting
Call Problem (without RF equipment)
Step
1 Confirm the defect symptom
Check the settings
2
(airplane mode, Mobile networks)
Check the debug screen *#0011#
3
(Compare to normal device)
Check the RF parts except PBA.
4
(Coaxial cable, Antenna, Shielding condition, etc..)
Check the status visually(crack, missing,
Corrosion..etc) of RF components.
(compare to normal PBA)
5
U2002 Transceiver
U1005 Main FEMID
U1009 MMMB PA
U1008 High Band PA
Check point
- This document cannot be used without Samsung's Authorization -
Result value
-
Abnormal
Normal
Abnormal
Normal
Broken, dust, corrosion
Loose fitting
Normal
Abnormal
Normal
Defect point
-
Settings
Go to the next step
Go to the next step
Network
RF parts
Connection
Go to the next step
RF components.
CP(Call Processor)
(UCP400)
CP PMIC(U5004)
Confidential