Nfc; Nfc Malfunctions - Sony Xperia S LT26i Troubleshooting Manual

Problem Areas

1.13 NFC

1.13.1 NFC malfunctions

Check:
Inspect the BtB connector of PBA NFC to the main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean both sides of the BtB
connector.
Check:
Inspect the NFC contact pins on the PBA NFC and the
contact pads on the NFC Antenna.
Action:
If dirty or oxidized – clean the pads and pins.
Check:
Inspect the NFC Antenna.
Action:
If the NFC Antenna is damaged – replace the NFC Antenna.
Check:
Inspect the PBA NFC.
Action:
1. If the PBA NFC or its BtB connector is damaged – replace
the PBA NFC.
2. Replace board.
1257-2931 Rev 6
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Sony Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Mechanical/
30(57)