Navi Key(Sub) Part - Samsung SGH-P200 Service Manual

Flow Chart of Troubleshooting

9-10. Navi Key(Sub) Part

Main Key LED does not work
Yes
Check the UCP200 related to
pin 6 of U604 = "H"?
"KEY_LED_ON"
No
Yes
pin 3 of U604 = 3.3V ?
Change U604
END
9-24
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization