Sony Xperia M Manual page 57

Problem Areas: Network & Signal
Check:
Inspect the connectors of the Coaxial Cable to the ANT
Board.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the contact pins or the connector is damaged – replace
the ANT Board, Speaker Sponge and Ant Speaker Gasket.
Check:
Inspect the connector of the Coaxial Cable to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Coaxial Cable or either of its two connectors is
damaged – replace the Coaxial Cable.
4. Replace ANT Board
5. Replace the Main PBA.
1277-1356 Rev 2
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Troubleshooting Guide (mech) G (
36(45)