Secondary Microphone - Sony Xperia Z1 Troubleshooting Manual

Problem Areas: Microphone
2. If the 1st Mic Cushion is damaged – replace Display
Frame Assy.
Check:
Inspect the BtB connector of FPC Assy Relay/Side Key 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 Assy Relay/Side Key or FPC
is damaged – replace the FPC Assy Relay/Side Key.
4. Replace Main PBA.

1.8.2 Secondary Microphone

Check:
Inspect the external port of secondary microphone on the
Window Back Sub Assy.
Action:
1. If clogged – clean it.
1279-7185 Rev 1
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