Handsfree By Wire; Connection To Portable Handsfree Fails - Sony Xperia C3 Dual Test Instructions

Problem Areas

1.34 HandsFree by Wire

1.34.1 Connection to portable
Handsfree fails
Check:
Inspect the external port of the Audio Jack Assy.
Action:
1. If dirty or oxidized – clean it.
Check:
Inspect the BtB connector of Audio Jack Assy 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 Audio Jack Assy or FPC is
damaged – replace the Audio Jack Assy.
4. Replace Main PBA.
1290-1679 Rev 3
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Troubleshooting Guide (mech)
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