Nfc - Samsung GT-I9300 Service Manual

8-3-13. NFC

NFC is not working
Check the Battery
(NFC Antenna is in Battery)
Check the Voltage on
NFC_VEN, NFC_IRQ
Check 27.12MHz Clock on
OSC202 at R217
Check the Voltage on C247,
C251 goes high(1.8V)
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Yes
Yes
goes high
Yes
Yes
Yes
END
No
(antenna/contact crack, open, damaged)
No
Check the R225, TP210
No
Check the OSC202(crack, open, etc.)
No
Resolder or Replace U207
8-45
Level 3 Repair
Check the battery