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