Sony Xperia C3 Dual Test Instructions page 26

Problem Areas: Vibrator
3. If the BtB connector on Sub PBA is damaged – replace the
Sub PBA.
4. If the FPC of Main FPC Assy is damaged – replace the Main
FPC Assy.
Check:
Inspect the BtB connector of Main FPC Assy to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the FPC of Main FPC Assy is damaged – replace the Main
FPC Assy.
4. Replace Main PBA.
1290-1679 Rev 3
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Troubleshooting Guide (mech)
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