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