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2. SGH-i700 Flow Chart of Troubleshooting
1.Power On
'POWER ON' does not work
Yes
Check the current consumption more than 20mA
No
Press nPower Key or Hardware Reset
Yes No
Check U317 of U316 or the pinis1 High Charge the Battery
Yes
Check the pin 1 of U323 is High
No
Charge the Battery
Yes
Check the VBat more than 3.6V
No
Yes
Check the pin 4 of U308 is more than 3.3V
b o
No No
No
Check the pin 5 of U311 is more than 1.0V
M
Yes Yes Yes
END
i
lc
Charge the Battery
i
ps
h
Check to the path from pin 1 of CN301 to pin 1, 2 of U307
Check the pin 1 of U311 is High
Check the clock signal at OSC101 and OSC102
Retry Hardware Reset
Check the initial operation
2-1
SAM SU N G Pr i ar C ont s m ay change w ihoutnotce opret yent t i
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