Display; Graphics & Illumination - Sony Xperia ZR Troubleshooting Manual

Problem Areas
1.4

Display

1.4.1 Graphics & Illumination
Note: After a replacement of the Display or the Main
PBA should always the Display calibration be
performed: Trouble Shooting Application 1269-2060 .
Check:
Check whether the phone vibrates after the Key Power has
been pressed.
Action:
If the phone doesn't vibrate, refer to section 1.1 'Power'.
Check:
Inspect the connection between the Display 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 Display, the flex film and the connector on the
Display and also the connector on the Main PBA.
Action:
1. If the Display, the flex film or the connector is damaged
- replace the Display.
2. Replace the Main PBA.
1273-7035 Rev 3
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