Menu, Home And Back Keys Illumination - Sony Xpreia acro S Working Instructions

Problem Areas: Illumination
3. If the RGB LED, the FPC or the BtB connector of PBA
Flex Module is damaged – replace the PBA Flex Module.
4. Replace PBA.
1.5.2 Menu, Home and Back keys
Illumination
Check:
Inspect the illumination window of the Menu, Home and
Back keys on the Touch/Display Front Cover Assy.
Action:
If dirty – clean it.
Note: Ensure the BtB connector of Battery is
disconnected in the following steps!
Check:
Inspect the LEDs on the PBA, Sheet LED and the Lightguide
Key Sub Assy.
Action:
1. If dirty – clean them.
2. If the Lightguide Key Sub Assy is damaged – replace it.
1267-1086 Rev 2
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Sony Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
17(72)