Key Back Light - Samsung SGH-C160 Service Manual

Flow Chart of Troubleshooting

9-11. Key Back Light

key Backlight does not work
Yes
No
Is BACKLIGHT set
Set BACKLIGHT on Always ON
AlwaysON in the Menu?
Yes
No
Replace U400
Check VCC_KEY_LED=3.2V?
Yes
Replace LED
Yes
END
9-22
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