Secondary Microphone - Sony Xperia Z3 Troubleshooting Manual

Problem Areas: Microphone

1.8.1 Secondary Microphone

Check:
Inspect the external port of secondary microphone on the
Front Assy.
Action:
1. If clogged – clean it.
Check:
Inspect the BtB connector of Audio Jack to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Audio Jack is damaged – replace it.
4. Replace Main PBA.
1288-9441 Rev 2
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Troubleshooting Guide (mech)
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