Sony Xperia C3 Dual Test Instructions page 13

Problem Areas: Touch Screen
Check:
Inspect the BtB connector of Display FPC to Main FPC
Assy.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the BtB connector of Display FPC or FPC is damaged –
replace the Display Frame Assy.
3. If the BtB connector of Main FPC Assy or FPC 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.
1290-1679 Rev 3
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
13(58)