Samsung SM-A507FN Service Manual page 90

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8. Level 3 Repair
8-4-14. NFC
NFC is not working
Check NFC function ON
Check the Antenna contact
ANT3000, ANT3001
Check the Voltage on
C3084 = 1.8V
Check 26MHz Clock at
TP_NFC_CLK
Check the Status of C3099, C3097,
C3095, C3102, C3096, C3107,
R3010, L3023, L3001
Resolder or Replace U3000
Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
END
No
Enable NFC Function
No
1. Resolder or Replace ANT3000, ANT3001
2. Replace NFC ANT
No
(crack, open, damaged, etc.)
No
No
Resolder or Replace C3099, C3097,
C3095, C3102, C3096, C3107, R3010,
Check U5000
Check UCP400
L3023, L3001

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