![background image](http://html.mh-extra.com/html/sony/xperia-ion-lt28at/xperia-ion-lt28at_working-instructions_399289147.webp)
Troubleshooting Guide (mech)
1261-4721 Rev 3
Sony Mobile Communications AB
– Company Internal
14(62)
Problem Areas:
1.5 LED/Illumination
1.5.1 LED/Illumination
Check:
Inspect the external window area of the RGB LED on the
Cover Front Assy.
Action:
1. If dirty
– clean it.
2. If the external window area is damaged
– replace the
Cover Front Assy.
Check:
Inspect the RGB LED on the PBA.
Action:
1. If dirty or clogged
– clean it.
2. Replace board.