Handsfree By Wire; Connection To Portable Handsfree Fails - Sony XPERIA ST27i Troubleshooting Manual

Problem Areas

1.32 HandsFree by Wire

1.32.1 Connection to Portable
HandsFree fails
Check:
Inspect the Audio Jack.
Action:
If dirty or oxidized – clean it.
Check:
Inspect the BtB connector of the Audio Jack FPC to the
Main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean both sides of the BtB
connector.
Check:
Inspect the contact pins on the Conn Audio Jack and the contact
pads on the Audio Jack FPC.
Action:
If dirty or oxidized – clean the pads and pins.
Check:
Inspect Audio Jack FPC.
Action:
1. If damaged – replace the Audio Jack FPC.
1265-6294 Rev 4
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Troubleshooting Guide (mech)
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