Ambient Light Sensor; Light Sensor Malfunctions - Sony Xperia Z1 Troubleshooting Manual

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.
1277-9814 Rev 2
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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