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Problem Areas
1.4
Display
1.4.1 Graphics & Illumination
Check:
Inspect whether the phone vibrates after the on/off key has
been pressed.
Action:
If the activation described above is not detected, refer to
section 1.1 'Power'.
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 Display and its FPC.
Action:
1. If dirty – clean it.
2. If the Display or its FPC is damaged – replace the
Display, Touch Panel, Touch Panel Adhesive and Kapton
Tape TP connector.
3. Replace Main PBA.
1277-1356 Rev 2
©
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
G
(
11(45)
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