Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
5(62)
Problem Areas: Power
Check:
Inspect the Battery 1900mAh.
Action:
If the battery or its BtB connector is damaged
– replace the
Battery 1900mAh.
Note: Ensure the BtB connector of battery is
disconnected in the following steps!
Check:
Inspect the key on/off switch and FPC of the FPC Side Key.
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.
3. If the key on/off switch, the FPC or the BtB connector of
FPC Side Key is damaged
– replace the FPC Side Key.
4. Replace board.
