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8. Level 3 Repair
8-4-23. NFC
NFC is not working
Yes
No
No
Enable NFC Function
Yes
No
END
Yes
No
Check the NFC FPCB Antenna
No
Replace NFC Antenna
Yes
No
Check the NFC signal
at ANT7010, ANT7011
(Keystring *#6328378# ->
PRBS test -> start)
No
Check L4012, L4013, C4019, C4022,
C4020, C4025, C4018, C4026, R4010,
R4015, C4047, C4061, C4023
(crack, open, damaged, etc.)
Yes
No
Resolder or Replace U4043
Check NFC function ON
Check the Antenna connect
ANT7010, ANT7011
Check the voltage on
C4000 = 1.8V
Check reference clock at
Short pad R4032
Resolder or Replace ANT7010, ANT7011
Check AP Sub PMIC(U7001)
(short, open, crack, etc.)
Check AP Main PMIC(U7000)
(short, open, crack, etc.)
Yes
No
Yes
No
No
No