On/Off Key - Sony Xperia ZR Troubleshooting Manual

Problem Areas: Keys

1.2.3 On/Off Key

Check:
Inspect the Key Power,
Action:
1. If the Key Power,
Panel Key Power or the Gasket Key
dirty or clogged – clean them.
2. If any of these parts are damaged – replace that part.
Check:
Inspect the connection between the FPC Relay and the
main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean the BtB connector.
Check:
Inspect the FPC Relay.
Action:
1. If the FPC Relay is damaged – replace it.
2. Replace the Main PBA.
1273-7035 Rev 3
© Sony Mobile Communications AB – Company Internal
Panel Key Power and the Gasket Key
Troubleshooting Guide (mech)
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