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Level 3 Repair
8-4
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8-3. LOGIC
8-3-1. Power On
Power switch on
NG
Check the current
consumption
>= 100mA?
Download
NO
Check the UCP200
Check the initial operation
Resolder OSC201
Resholder OSC200
Change the battery
Yes
Yes
Yes
NO
C217(VCORE_1.25V)=1.25V?
C216(VRF_2.85V)=2.85V?
C223(VMMC_2.8V)=2.8V?
C220(VGPIO_2.8V)=2.8V?
Yes
NO
Check the clock at
OSC201 = kHz ?
NO
Check the clock at
OSC200 = kHz
NO
Check the battery
voltage
>= 3.45?
Yes