Proximity Switch; Proximity Switch Malfunctions - Sony Xperia tipo ST21i Troubleshooting Manual

Problem Areas

1.16 Proximity switch

1.16.1 Proximity switch malfunctions

Check:
Inspect the Proximity switch window area and the Proximity
sensor window area on the Front Assy.
Action:
1. If dirty – clean it.
2. If not proper assembled – disassemble and reassemble it.
3. If scratched or damaged – replace the Front Assy.
Check:
Inspect the Rubber Indicator on the Front Cover and the
proximity switch and proximity sensor on the PBA.
Action:
1. If dirty or clogged – clean them.
2. If the Rubber Indicator is damaged – replace it.
3. Replace PBA.
1266-1682 Rev 4
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