Ambient Light Sensor; Light Sensor Malfunctions - Sony Xperia S LT26i Troubleshooting Manual

Problem Areas

1.18 Ambient Light Sensor

1.18.1 Light Sensor malfunctions

Check:
Inspect the Light Sensor window on the Cover Front Assy.
Action:
1. If clogged – clean it.
2. If scratched or damaged – replace the Cover Front Assy.
Check:
Inspect the BtB connector of the FPC Jack Assy to the Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean both side of the BtB connector.
Check:
Inspect the Light Sensor on the FPC Jack Assy.
1257-2931 Rev 6
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Trouble Shooting Guide Repair Instruction Mechanical/
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