SAMSUNG Proprietary-Contents may change without notice
9. Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-1
9-1. Power On
Check the current consumption
more than 100mA
' Power On ' does not work
Yes
Yes
No
Download again
Check the VBAT
more than 3.3V
No
Check the Battery
Yes
Check the related circuit
No
C303(VBAT) = 3.0V?
Yes
①
Check the
PM300
and
L303
No
Check the MEM_1.8V of
PM300 is more than 1.8V
Yes
Check PM300
3.0V_DIG = 3.0V
3.0V_ANLG = 3.0V
1.2V_ANLG = 1.2V
②
No
Check the
PM300
and
C334, C335,
C343
Yes
③
Yes
Yes
Check the clock
32KHz_DIGIT
No
Check CLK32K
Freq = 32KHz
Check the initial operation
END