Problem Areas; Power; Will Not Power On Or Will Switch Off Randomly - Sony Xperia Z3 Troubleshooting Manual

1

Problem Areas

1.1

Power

1.1.1 Will not power on or will switch
off randomly
Check:
Check whether the phone vibrates by pressing the on/off
key.
Action:
1. If activation of the vibrator is detected, refer to section 1.4
'Display'.
2. If NO activation of the Vibrator is detected, check that the
battery is charging when connected to a charger.
Follow Test Instruction - mechanical chapter 2.3.4
(Charging via USB and Easy Charger), Diagnostic
Battery / Charging status.
Check:
Inspect the on/off key.
Action:
Refer to section 1.2.3 'On/Off Key'.
Check:
Inspect the BtB connector of the Embedded Battery to Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean the both sides of the BtB
connector.
1288-9441 Rev 2

Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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