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10. Flow Chart of Troubleshooting
10-
1
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10-1-1. Power ON
'Power On' does not work
Voltage >=3.3V
Download again
Charge the Battery
Pin
#3 of D400 is high?
Check D400
Check the PMIC output
voltage
(C419,C420,C422,C414,
C426,C415)
Check U400
Check Pin#3 of TCX200
is 19.2MHz?
Check the clock generation circuit
(related to TCX200)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Check the current consumption
Check the Vbat Voltage
Current consumption
>= 100mA
Yes