![background image](http://html.mh-extra.com/html/samsung/sgh-c450/sgh-c450_service-manual_1190434033.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-3
9-2. Initial
Initial Failure
Yes
Check VDD1, VDD3=1.8V,
VDD2=2.8V and
AVDD=2.6V of UCP 200
Not OK
Check U300
OK
Check D_REF_13M of
UCP 200
Check U100 and POWER ON Sequence
OK
END
Not OK