User Guide

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10. Flow Chart of Troubleshooting
10-1
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10-1.
Baseband
10-1-1.
Power ON
'
Power ON' Does not work
Check the current consumption
Down load again
C348
≥
1.8V ?
Check the Initial operation
END
C347
≥
2.9
V?
Charge the Battery
Check the clock OSC100
Check the clock signal
at pin
#3
of OSC100
Freq.=26MHz,Vrms
≥
500
mV
Check UCD301 and
C318
Check UCD300 and
C348
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
C318
≥
2.9
V?
VBat
≥
3.3V ?
Check comsumption
≥
100
mA
ChecktheclockUCD101
Check pin
#8
of UCD101
Freq.=26MHz
?
NO
YES