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4. TROUBLE SHOOTING
4.12 SIM Card Interface Trouble
TEST POINT
.
CIRCUIT
2V85_VSIM
TP01
SIM_DATA
SIM_CLK
C131
SIM_RST
0.1u
USD_CMD
USD_D0
USD_CLK
USD_D1
TP01
USD_D2
USD_D3
LGE Internal Use Only
PIN #1
TP01 : C131
Figure 4.13
U102
M8
VSIM
G3
CC_IO
G2
CC_CLK
G4
CC_RST
TP04
H1
MMCI_CMD
SIM_DATA
H3
MMCI_DAT_0
H2
MMCI_CLK
H6
MMCI_DAT_1
G5
MMCI_DAT_2
K5
MMCI_DAT_3
These are added for CMCC ESD test
- 96 -
4. TROUBLE SHOOTING
J301
SIM_CONNECTOR 1(Default)
2V85_VSIM
2V85_VSIM
R309
PIN #1
J301
4.7K
4
1
C5
C1
5
2
C6
C2
6
3
C7
C3
10
7
GND4
GND1
9
8
C318
GND3
GND2
ZD303
22p
PIN #1
ZD200ZD201 is DNI defaultly
Copyright © 2010 LG Electronics. Inc. All right reserved.
SIM_RST
SIM_CLK
ZD301
ZD302
C315
0.1u
C316
C317
22p
DNI
Only for training and service purposes
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