Level 3 Repair
8-3-9. Key Back Light
Main Key LED does not work
Yes
No
Resolder or Replace UCP200
Is UCP200 pin T8, V8 = "H"?
Yes
No
Is Key LED working?
Change PBA
Yes
END
8-18
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization