On/Off Key - Sony Xperia M Manual

Problem Areas: Keys
3. If the Volume Key switch (b) is damaged – replace the
Link FPC and Link FPC Gasket.
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.
3. If the BtB connector or the Volume Key switch of the Link
FPC is damaged – replace the Link FPC and Link FPC
Gasket.
4. Replace Main PBA.

1.2.4 On/Off key

Check:
Inspect the on/off key (a) on the Battery Cover Assy and the
on/off switch (b).
Action:
1. If the on/off key (a) or the on/off switch (b) is dirty or
clogged – clean it.
1277-1356 Rev 2
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech) G (
7(45)