Sony Xperia C3 Dual Test Instructions page 53

Problem Areas: Network & Signal
Action:
If damaged – replace the Ant Top Frame Assy.
Check:
Inspect the Diversity antenna contact pads on Ant Top
Frame Assy and the contact pins on Main PBA.
Action:
1. If dirty or oxidized – clean the pads and pins.
2. If the Diversity antenna contact pads are damaged –
replace the Ant Top Frame Assy.
3. If the contact pins on main PBA is damaged – replace
Main PBA.
1290-1679 Rev 3
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Troubleshooting Guide (mech)
53(58)