LG GD330, Руководство по обслуживанию

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Only for training and service purposes
4. TROUBLE SHOOTING
4.7. SIM Detect Trouble Shooting
SIM interface scheme is shown below.
SIM_IO, SIM_CLK, SIM_RST ports are used to communicate DBB with ABB
and the Charge Pump in ABB enables 1.8V/3V SIM operation.
SIM_CLK : SIM Card reference clock SIM_PWRCTRL : SIM Card power activation
SIM_RST : SIM Card async/sync reset SIM_IO : SIM Card bi-directional data line
<Fig.1> SIM Circuit Diagram
TP4
TP3 TP2 TP1
TP4
TP3
TP2
TP1
n o i t c u d o r P s s a M r o F
K 0 0 1
9 0 2 R
C M M V _ 5 8 V 2
p 0 0 0 1
4 1 2 C
1 1 1 2 R 0 0 2 A V 2 0 2 C
u 1 . 0
1 0 1 2 R
1 0 2 A V
O I V _ 8 V 1
2 0 2 A V
6 1 2 R
K 1
S _ C M M V _ 5 8 V 2
3 1
2 C
u 1
1 3 0 2 R
10K
R200
22
R205
2 1 2 C
p 2 2
1 8 0 2 R
M I S V _ 5 8 V 2
8
8
C1
C1 C2
C2
C3
C3
C5
C5 C6
C6
C7
C7
6 1
1 D N G
2 D N G
5 1
3 D N G
4 1
3 1
4 D N G
5 D N G
2 1
1 1
6 D N G
A W S
0 1
9
B W S
0 0 2 S
1
1
2
2
3
3
4
4
5
5
6
6
7
7
1 7 0 2 R
1 6 0 2 R
1 4 0 2 R
D M C _ F T
K L C _ F T
0 T A D _ F T
1 T A D _ F T
SIM_RST
SIM_IO
SIM_CLK
SIM_PWRCTRL
T C E T E D _ F T _
2 T A D _ F T
3 T A D _ F T
S _ 2 T A D _ F T
S _ 3 T A D _ F T
S _ D M C _ F T
S _ K L C _ F T
S _ 0 T A D _ F T
S _ 1 T A D _ F T
TP1
TP2
TP4
TP3