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
Assy.
Action:
1. If dirty – clean it.
2. If scratched or damaged – replace the Front Assy.
Check:
Inspect the BtB connector of 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 Audio Jack is damaged – replace it.
4. Replace Main PBA.
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
32(59)