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Level 3 Repair
8-8
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8-3-1. Power On
Check the Battery Voltage
is more than 3.7V
(TP:
C525 C513 C512
' Power On ' does not work
Change the Battery
(Because of batt. power low)
END
No
Yes
VDD_1.8V =
1
.8V?
(TP: C205)
Check the Main Chip related to
SD1_FB=1.8V (TP:C231)
(to lookover the Chip damage)
No
Yes
Check the Clock at
UCP200 A11pin
(CLK26M)=26MHZ
(TP:OSC201 1,3pin)
Check the Main Chip
(to lookover the Chip damage)
(TP : OSC201 1,3pin / look over the
waverform
using the oscilloscope)
No
Yes
Yes