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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#D6 >= 2.9V
Check UCD300 and C318
Pin#F3 and pin#E14
=2.9V
Check UCD300 and C317
Freq = 26MHz
Vrms >=300mV
Vpp
≒
900mV
Check the clock generation circuit
(related to OSC101)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#A6 = 1.8V
No
Yes
Check the current consumption
Check the Vbat Voltage
Check the pin of UCD300
Check the clock signal at pin#21 of RFT100
Current consumption
>= 100mA
Yes