Advertisement
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
C323(VISA) = 2.6V?
Check the Clock at
OSC300 =32KHz
Check the VDD_IO_LOW_1.8V
of PM300 ≥ 1.8V
Check PM300
VDD_IO_HIGH_2.9V = 2.9V
AVDD_2.6V = 2.6V
VDD_PLL_1.2V = 1.2V
Check CLK32K
Freq = 32KHz
Check the initial operation
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Download again
No
Check the Battery
No
Check the related circuit
①
No
Resolder
OSC300
②
No
Check the
PMU300
③
No
Check the
PMU300
④
No
Check the clock
9-1
or replace
and
C300
and
C302, C306,
C314
32KHz_DIGIT
Advertisement
