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

1

Problem Areas

1.1

Power

1.1.1 Will not power on or will switch
off randomly
Check:
Check whether the Notification LED blinks by pressing the
on/off key.
Action:
Do a Force shut down, press power key and volume up key
for 10 seconds and then power on the unit again.
2. If NO Notification LED blink is detected, check that the
battery is charging when connected to a charger.
Follow Test Instruction (Charging via USB), Diagnostic
Battery / Charging status.
Check:
Inspect the BtB connector of Battery to Main PBA.
Action:
1. Remove and reconnect Battery, test charging and then
test powering on the unit.
2. If dirty or oxidized – clean it.
3. If the BtB contact on Battery or Battery is damaged –
replace Battery.
Check:
Inspect the on/off key.
Action:
Refer to section 1.2.3 'On/Off Key'.
1274-7272 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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