Samsung Galaxy J5 SM-J510FN - Call Troubleshooting (No RF Equipment)

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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.
(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)
TRANSCEIVER(U1103)
TXMODULE(TXM1000)
LB PAM(U1001)
MB/HB PAM(PAM1000)
APT MODULATOR(U1004)
Abnormal RF components.
Normal
CP(Call Processor)
(UCP3000-1)
CP PMIC(U4001)