Sony Xperia Z1 Troubleshooting Manual page 57

Problem Areas: Network & Signal
Check:
Inspect the RF connector of RF Cable to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the RF cable is damaged – replace the RF cable.
4. If the connector on the main PBA is damaged – replace
Main PBA.
Check:
Inspect the Diversity/GPS antenna contact pads on Sub
Antenna Assy and the contact pins on Main PBA.
Action:
1. If dirty or oxidized – clean the pads and pins.
1279-7185 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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