Key Illumination - Sony Xperia S LT26i Troubleshooting Manual

Problem Areas: Illumination
Check:
Inspect the FPC Jack Assy.
Action:
1. If the FPC Jack Assy or its BtB connector is damaged –
replace the FPC Jack Assy.
2. Replace board.

1.5.2 Key Illumination

Check:
Inspect the Illumination window on the Cover Front Assy.
Action:
1. If dirty – clean it.
2. If the window is damaged – replace the Cover Front Assy.
Check:
Inspect the LED window on Cover Transparent Assy.
Action:
1. If dirty – clean it.
1257-2931 Rev 6
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Sony Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Mechanical/
14(57)