Handsfree By Wire; Connection To Portable Handsfree Fails - Sony Xperia tipo ST21i Troubleshooting Manual

Problem Areas

1.32 HandsFree by Wire

1.32.1 Connection to Portable
HandsFree fails
Use a CITA type headset to do the test!
Check:
Inspect the Audio Jack.
Action:
If dirty or oxidized – clean it.
Check:
Inspect the contact pins on the Audio Jack and the contact
pads on the PBA.
Action:
1. If dirty or oxidized – clean the pads and pins.
2. If the pins are damaged – replace the Audio Jack.
3. Replace PBA.
1266-1682 Rev 4
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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