Sony Xperia Z1 Troubleshooting Manual page 29

Problem Areas: Bluetooth and WLAN
3. If the connector is damaged – replace the PBA WLAN
Sub.
Check:
Inspect the RF connector of RF Cable A to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the connectors of RF Cable A are damaged – replace
the RF Cable A.
4. Replace the Main PBA.
1277-9814 Rev 2
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
29(63)