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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-11
8-3-4. Sim Part
Insert SIM card
Check the Pin Soldering
of SIM300
Yes
Yes
No
END
Check the SIM Voltage.
(R310) >= 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
5
6
NC
N
C
7
8
N
C
N
C
9
C6 C6
C7
C7
C8 C8
NC
1
2 NC
NC
3
NC 4
NC
SIM300
C1 C1
C2
C2
C3 C3
C4
C4
C5
C5
R311
SHORT
R308
CP_VSIM_3.0V
Z
D
3
0
0
VAP_IO_1.8V
C339
R310
C340
C341
C338
D300
Z
D
3
0
1
SIM_RST
SIM_IO
SIM_DETECT
SIM_CLK
SIM_RST
SIM_IO
Summary of Contents for GT-P3100
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