Sony Xperia Z1 Troubleshooting Manual page 15

Problem Areas: Display
3. If the BtB connector of FPC Assembly Relay or FPC is
damaged – replace the FPC Assembly Relay.
Check:
Replace the Main PBA with a known working one and test the
Display.
Action:
1. If the display is still not working – Replace the Front Cover.
2. Replace Main PBA.
1277-9814 Rev 2
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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