Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
29(62)
Problem Areas
1.11 Flash LED
1.11.1 Flash LED not flashing
Check:
Inspect the external area of the flash LED window.
Action:
1. If dirty
– clean the window.
2. If scratched or damaged
– replace it.
Note: Ensure the BtB connector of battery is
disconnected in the following steps!
Check:
Inspect the flash LED on the PBA Sub NFC Assy.
Action:
If dirty
– clean it.
Check:
Inspect the BtB connector of FPC Side Key to the PBA.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean the both sides of the BtB
connector.