Sim Card Interface Trouble - LG KP260 Service Manual

4. TROUBLE SHOOTING

4.11 SIM Card Interface Trouble

TEST POINT
TP1
CIRCUIT
SIM_DATA
LGE Internal Use Only
TP2
Figure 4.11
2V85_VSIM
TP1
4
GND
5
R315 VPP
6
I_O
8
0 GND2 GND1
C326
DNI
TP2
- 70 -
2V85_VSIM
J300
1
VCC
2
RST
3
CLK
7
C327 C328
220n DNI
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J300
SIM_RST
SIM_CLK
C329
1000p
Only for training and service purposes