Secondary Microphone - Sony Xperia Z1 Troubleshooting Manual

Problem Areas: Microphone
Check:
Inspect the microphone on the FPC Assembly Relay.
Action:
1. If clogged – clean it.
2. If the microphone is damaged – replace the FPC
Assembly Relay.
Check:
Inspect the BtB connector of FPC Assembly Relay to Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the BtB connector of FPC Assembly Relay or FPC is
damaged – replace the FPC Assembly Relay.
4. Replace Main PBA.

1.8.2 Secondary Microphone

Check:
Inspect the external port of secondary microphone on the
Rear Cover Assy.
Action:
1. If clogged – clean it.
1277-9814 Rev 2
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Troubleshooting Guide (mech)
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