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9-1-2. Initial
Initial Failure
Check VCCD,
VCCD_1.8CON of UCP300
"High" when the phone is
the VCCD_1.6V of
U300 is "High"
LCD display is O.K?
Sound is O.K?
SAMSUNG Proprietary-Contents may change without notice
Yes
boot on
Yes
Check
Yes
Yes
Yes
END
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Flow Chart of Troubleshooting and Circuit Diagrams
①
No
Check
UCP300
②
No
Check
③
No
Check
HDC401
No
Check audio part
9-4
U300
and LCD part
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