Sony Xperia S LT26i Troubleshooting Manual page 50

Problem Areas
4. If the pins on the FPC Main Assy are damaged – replace
the Main FPC.
Check:
Inspect the connector on the FPC Main Assy to RF Cable.
Action:
1. If not properly connected to the Antenna – disconnect and
reconnect it.
2. If damaged – replace the Main FPC.
Check:
Inspect the connector RF Cable to the Main PBA.
Action:
1. If not properly connected to the Main PBA – disconnect
and reconnect it.
1257-2931 Rev 6
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Sony Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Mechanical/
50(57)