Level 3 Repair
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8-45
8-3-4. Sim Part
D
3
0
2
CP_VSIM
C348
C344
D
3
0
0
C346
CP_VSD2_1.8V
R325
C347
D
3
0
1
C345
R324
SHORT
R327
SHORT
C355
D
3
0
3
CP_VSIM
R326
5
NC2
NC3
6
7 NC4
NC5
8
NC6
9
10 NC7
NC8
11
C2
C2
C3
C3
C5
C5
C6
C6
C7
C7
1 CD
COM
4
GND
2
3
NC1
SOC301
C1
C1
SIM_IO
SIM_CLK
SIM_RST
SIM_DETECT
Insert SIM card
Check the Pin Soldering
of SOC301
Yes
Yes
No
END
Check the SIM Voltage.
(C346) >= 1.8 or 3.0?
Resoldering and recheck
Change to the new SIM card.
If it doesn`t still work SIM card after changeing
the SIM card, Check the UCP300 (Crack etc)
Yes
No