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Level 3 Repair
8-3-1. Power On
' Power On ' does not work
Check the Battery Voltage
is more than 3.7V
(TP:C110,C229,C207,C234)
Check the Clock at
OSC 200 1,4pin
(CLK32K)=32KHZ
(TP:OSC200 1,4pin)
Check the Clock at
UCP200 (CLK32K)=32KHZ
(TP:TP_32K)
VCORE_1.25V
= 1.25V?
(TP:C212,204)
END
Yes
Yes
Yes
Yes
Yes
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Change the Battery
No
(Because of batt. power low)
No
Resolder OSC200
Check the Main Chip
No
(to lookover the Chip damage)
(TP : TP_32K / look over the waverform
using the oscilloscope)
Resolder L202 & Replace UCP200
No
(to confirm coming out power V_core)
8-6
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