Sony Xperia Z1 Troubleshooting Manual page 56

Problem Areas: Network & Signal
3. If the contact pins are damaged – replace the PBA Sub.
Check:
Inspect the RF connector of RF Cable to the PBA Sub.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the connector on the PBA Sub is damaged – replace
PBA Sub.
4. If the RF cable is damaged – replace the RF cable.
1279-7185 Rev 1
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Troubleshooting Guide (mech)
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