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8-3-1. Power On
' Power On ' does not work
Check the battery voltage is
more than 4.2V or less than 3.
ONKEY_1,_2 = 2.42 ~ 3.09V?
Check the Clock at
OSC201 pin 1=32KHZ
C211[VGPIO_2.8V]
= "H"?
L201[VCORE_1.25V]
= 1.25V?
Check the initial operation
Yes
5V
Yes
Yes
Yes
Yes
Yes
Yes
END
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No
Change the Battery
No
Change Dome Sheet
No
Resolder OSC201
No
Check the related circuit
No
Resolder L201
8-5
Level 3 Repair
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