Sony Xperia Z1 Troubleshooting Manual page 58

Problem Areas: Network & Signal
2. If the Diversity/GPS antenna contact pads or
Diversity/GPS antenna film is damaged – replace the Sub
Antenna Assy.
3. If the contact pins on main PBA is damaged – replace
Main PBA.
Check:
nd
Inspect the 2 GSM antenna film on the Main Antenna
Speaker Sub Assy.
Action:
If damaged – replace the Main Antenna Speaker Sub Assy.
1279-7185 Rev 1
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Troubleshooting Guide (mech)
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