Troubleshooting Guide (mech)
1277-9814 Rev
2
Sony Ericsson Mobile Communications AB – Company Internal
35(63)
Problem Areas
1.18 Ambient Light Sensor
1.18.1 Light Sensor malfunctions
Check:
Inspect the external window area of light sensor on the Front
Cover.
Action:
1. If dirty – clean it.
2. If scratched or damaged – replace the Front Cover.
Check:
Inspect the BtB connector of FPC Assembly Audio Jack to
Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the BtB connector or FPC of FPC Assembly Audio Jack
is damaged – replace the FPC Assembly Audio Jack.