Problem Areas
1.3
Touch Screen
1.3.1 Touch Screen malfunction
Check:
Inspect the touch screen of the Front Assy.
Action:
1. If dirty – clean it.
2. If scratched or damaged – replace the Front Assy.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
12(59)