Troubleshooting Guide (mech)
1262-4100 Rev 2
Sony Mobile Communications AB
– Company Internal
11(41)
Problem Areas
1.4 Display
1.4.1 Graphics & Illumination
Check:
Check 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 both sides of the ZIF connector on the Main PBA
and the FPC of the Display.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean it.
Check:
Inspect the Display and its FPC.
Action:
1. If the Display or its FPC is damaged
– replace the
Display, Gasket LCM Connector, Kapton LCM FPC.
2. Replace PBA.
