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8-3. Flow Chart of Troubleshooting
8-3-1. Power On
Power switch on
Check the current
consumption
>= 100mA?
Check the battery
voltage
VBAT >= 3.45?
Check the voltage
VDD_1.8V(C232)
= 1.8V?
Check the clock at
OSC201 = 26MHz
END
Yes
Yes
Yes
?
Yes
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NO
NO
Change the battery
NO
Check the Main Chip (UCP201)
Lookover the Chip damage
NO
8-5
Level 3 Repair
Download
Resolder OSC201
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