Proximity Switch; Proximity Switch Malfunctions - Sony Xperia S LT26i Troubleshooting Manual

Problem Areas

1.19 Proximity switch

1.19.1 Proximity switch malfunctions

Check:
Inspect the Proximity switch 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 Proximity switch on the FPC Jack Assy.
1257-2931 Rev 6
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Sony Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Mechanical/
37(57)