Display; Graphics & Illumination - Sony Xperia TX LT29i Working Instructions

Problem Areas
1.4

Display

1.4.1 Graphics & Illumination
Check:
Check whether the phone vibrates after the Key On/Off 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 Cover Front Assy to the
PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean it.
3. If the display or the FPC of the Cover Front Assy is
damaged – replace the Cover Front Assy.
4. Replace board.
1266-5087 Rev 1

Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
11(57)