Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
30(62)
Problem Areas: Flash LED
Check:
Inspect the ZIF connector of the FPC Side Key to the PBA
Sub NFC Assy.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean the both sides of the ZIF
connector.
3. If the flash LED or the ZIF connector of PBA Sub NFC
Assy is damaged
– replace the PBA Sub NFC Assy.
4. If the ZIF connector, the BtB connector or FPC of FPC
Side Key is damaged
– replace the FPC Side Key.
5. Replace board.