On/Off Key - Sony XPERIA ST27i Troubleshooting Manual

Problem Areas: Keys
Check:
Inspect the volume key input switches on the Vibrator Main
Mic Volume key FPC.
Action:
1. If dirty or clogged – clean them.
2. If the Vibrator Main Mic Volume key FPC or its BtB
connector is damaged – replace it.
3. Replace board.

1.2.3 On/Off key

Check:
Inspect the on/off key on the Battery Cover Assy.
Action:
1. If dirty or clogged – clean it.
2. If on/off key is damaged – replace the Battery Cover
Assy.
1265-6294 Rev 4
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Troubleshooting Guide (mech)
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