Microphone - Sony Xperia tipo ST21i Troubleshooting Manual

Problem Areas
1.8

Microphone

1.8.1 Microphone
Check:
Inspect the Microphone's external port on the Battery Cover.
Action:
1. If clogged – clean the port.
2. If the port is damaged – replace the Battery Cover.
Check:
Inspect the Microphone on the PBA and the rubber on the
Front Assy.
Liquid is not allowed!
Action:
1. If dirty or clogged – clean them.
2. If the rubber of microphone is damaged – replace the
Front Assy.
3. If the microphone is damaged – replace PBA.
1266-1682 Rev 4
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
18(44)