Sony Xperia Z1 Troubleshooting Manual page 59

Problem Areas: Network & Signal
Check:
Inspect the contact pad on the Main Antenna Speaker Sub
Assy and contact pin on the FPC Assy Relay/Side Key.
Action:
1. If dirty or oxidized – clean the pin and pad.
2. If the contact pad is damaged – replace the Main Antenna
Speaker Sub Assy.
3. If the contact pin is damaged – replace the FPC Assy
Relay/Side Key.
Check:
Inspect the RF connector of FPC Assy 2nd Antenna to the
FPC Assy Relay/Side Key.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
1279-7185 Rev 1
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
59(68)