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Problem Areas: Touch Screen
Check:
Inspect the BtB connector of the Display to the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
Check:
Inspect the FPC of the Display.
Action:
1. If the Display or its FPC is damaged – replace the
Display, Touch Panel, Touch Panel Adhesive and Kapton
Tape TP connector.
2. Replace Main PBA.
1277-1356 Rev 2
©
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
G
(
10(45)
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