Display; Graphics & Illumination - Sony Xperia Z1 Troubleshooting Manual

Problem Areas
1.4

Display

1.4.1 Graphics & Illumination
Check:
Check whether the phone vibrates after the on/off key has
been pressed.
Action:
If the activation described above is not detected, refer to
section 1.1 'Power'.
Check:
Inspect the BtB connector of FPC Assembly Relay to Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the BtB connector of FPC Assembly Relay or FPC is
damaged – replace the FPC Assembly Relay.
Check:
Inspect the BtB connector of FPC Assembly Relay to Front
Cover and the BtB and ZIF connector of Front Cover.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
1277-9814 Rev 2
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
14(63)