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Level 3 Repair
8-3-1. Power On
' Power On ' does not work
Yes
Check the Battery Voltage
Change the Battery
No
is more than 3.7V
(Because of batt. power low)
(TP:C106, C220, C323)
Yes
Check the Main Chip related to
No
VDD_1.8V = 1 .8V?
SD1_FB=1.8V (TP:C235)
(TP: C235)
(to lookover the Chip damage)
Yes
Check the Main Chip
Check the Clock at
(to lookover the Chip damage)
No
UCP200 A11pin
(CLK26M)=26MHZ
(TP : OSC201 1,3pin / look over the
(TP:OSC201 1,3pin)
waverform
using the oscilloscope)
Yes
END
8-6
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