Key Back Light(Main) - Samsung SGH-Z310 Service Manual

Flow Chart of Troubleshooting
9-10. Key Back Light (Main)
LCD does not work
Yes
No
Is BACKLIGHT set
Set BACKLIGHT on AlwaysONl
AlwaysON in the Menu?
Yes
HDC801 pin#19
No
Replace KeyPCB Module
Current > "20mA"?
END
9-18