436 backlight

I’ve gone back and forth since the 90’s between Radio Shack and Bearcat scanners now uniden starting with a BC 210 purchased from Sears. I’ve always noticed Uniden scanners always have seemed better built so I stuck with Uniden. My last handheld being a 396xlt, one of my favorite features is...

have a bcd436hp...just had my backlight go out. no settings were changed, no abuse or damage to unit, no recent updates to firmware or database were done. Any thoughts before i send it back in? Hasn't been a year yet so hopefully its still covered under the 1yr warranty.