Level 3 Repair
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8-5
8-3-1. Power On
Check Battery vol. more than
3.4V?
(TP: C101, C102, C104,
ZD101)
Change the Battery
(Because of batt. power low)
END
Yes
Check the Clock at
OSC101
1,3pin(CLK26M)=26MHZ
(TP:OSC101)
Check the Main Chip
(TP : OSC101 / look over the waverform
using the oscilloscope)
No
Yes
VDDCORE_1V1
= 1.1V?
(TP: L100,C100,C103,C111)
Resolder L100, C100, C103, C111
(to confirm coming out power V_core)
No
Yes
Check the initial operation
"Power On"
Yes
No
Содержание SM-B105E
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