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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
10-
3
This Document can not be used without Samsung's authorization
10-1-2. Initial
Initial Failure
Yes
Check VDD1, VIO,
VPLL1 of UCP700
"High" when the phone
is boot on
No
Check
U406
Yes
Check
the VCCD_1.6V,
VCCD_1.8V,
VCCD_1.8V_CON of
U300 is "High"
No
Check
U300
Yes
No
Check
HDC500
and LCD part
LCD display is O.K?
Yes
Check audio part
Sound is O.K?
No
Yes
END