Display; Graphics & Illumination - Sony C2305 Troubleshooting Manual

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:
1. If the activation described above is not detected, refer to
section 1.1 'Power'.
2. Press HW reset Key and check it again.
Check:
Inspect the ZIF connector of the LCM to the main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean it.
3. If the display or the LCM FPC is damaged – replace the
Front Cover LCM TP Assy
4. Replace Main PBA.
Note: Calibrate the P-sensor/L-sensor 1277-0611
Trouble Shooting Application – mechanical whenever replacing
Front Cover LCM TP Assy or Main Board swap.
1275-8442 Rev1
©
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
11(45)