Sony Xperia Z3 Manual page 7

Repair Actions: Additional Repair Info
5
CN2653
Replace if open circuit 1-3 (No or bad GPS /network
secondary antenna)
6
CN2654
Replace if mechanical damaged (No or bad network,
main antenna)
Protect the RF connector with capton tape!
7
CN2655
Replace if open circuit 1-3 (No or bad network, main
antenna)
Protect the RF connector with capton tape!
8
CN4000
Replace if mechanical damaged (No network, restart, No
SIM card inserted, NFC SIM problem, reset problem)
Protect the SD card connector with capton tape!
1291-5740 Rev 2
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Sony Mobile Communications AB – Company Internal 7(10)