Level 3 Repair
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8-3-23. NFC
NFC is not working
Check the Battery
(NFC Antenna is in Battery)
No
Check the battery
(antenna/contact crack, open, damaged)
Yes
END
Check the Voltage on
NFC_EN, NFC_IRQ
goes high
No
Check the TP839, TP842
Yes
Check 26.00MHz Clock which
is OSC801 with C868
No
Check the OSC801(crack, open, etc.)
Yes
Check the Voltage on
C868(VBAT), C882(1.8V) goes
high
No
Resolder or Replace U800
Yes
Yes