Flow Chart Of Troubleshooting - Samsung M7603 Service Manual

9. Flow Chart of Troubleshooting

9-1. Power On
' Power On ' does not work
Check the current consumption
Current consumption
>= 100mA
Check the Battery Voltage
>=3.3V
Check the TP_PSHOLD
is high?
Check the PMIC
output voltage
(C421, C427, C430, C431,
C432, C433)
Check the Pin 3 of
OSC200 Produces clock
signal
Check the initial operation
END
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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No
Download again
No
Change the Battery
No
Check the ON_SW Voltage Level
No
Check the U400
No
check the OSC200
9-1