Sony Xperia M Manual page 36

Problem Areas: Speaker
Check:
Inspect the contact pins (a) on the Loudspeaker and the
contact pads (b) on the ANT Board.
Action:
1. If dirty – clean them.
2. If the Loudspeaker or its contact pins is damaged –
replace the Loudspeaker and Speaker Gasket.
Check:
Inspect the ZIF connector of the ANT Board to the Link FPC.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
Check:
Inspect the BtB connector of the Link FPC to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
1277-1356 Rev 2
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Troubleshooting Guide (mech) G (
15(45)