SGH-X481 Flow Chart of Troubleshooting
2-3
2-1-2. Initial
Initial Failure
check the pin
RSTB of U600 is
LOW?
Check U600
No
Yes
Yes
END
Yes
Check the Initial Operation
Yes
Check
R800,R801,C811,R803
No
check the pin CKI
of U600 is 13Mhz?
Check the clock
signal at pin #3 of
OSC600
No
check
OSC600
1
Check the pin #9 of
U600 is HIGH and pin
#11, #13 is 2.9V?
No
Check U100
Yes
2
3
4
Summary of Contents for SGH-X481
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