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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. Trouble shooting
M
F
+
H
T
O
O
T
E
U
L
B
VBATT
36
VDDIO
13
VDDR3V
37
VDDRF
35
VDDTF
28
34
VREG_CTL
N
_
L
A
T
X
8
1
P
_
L
A
T
X
9
1
I2S_SCK
24
25
I2S_SDO I2S_WS
23
0
3
N
I
_
O
P
L
K
L
C
_
M
C
P
3
N
I
_
M
C
P
2
8
3
T
U
O
_
M
C
P
4
C
N
Y
S
_
M
C
P
33
RST_N
0
M
T
4
1
S
T
C
_
T
R
A
U
1
1
S
T
R
_
T
R
A
U
8
D
X
R
_
T
R
A
U
9
D
X
T
_
T
R
A
U
0
1
L
F
A
V
6
1
R
F
A
V
5
1
1
D
N
G
1
2
4
0
1
D
N
G
2
D
N
G
5
3
D
N
G
7
4
D
N
G
2
1
0
2
5
D
N
G
1
3
6
D
N
G
7
D
N
G
9
3
0
4
8
D
N
G
9
D
N
G
1
4
21
GPIO0 GPIO1
17
22
GPIO5
7
2
6
O
I
P
G
K
L
C
_
C
2
I
9
2
A
T
A
D
_
C
2
I
6
2
D
S
_
8
V
1
1
0
2
M
A
1
6
5
B
-
A
C
B
R
T
N
A
_
T
B
6
T
N
A
_
M
F
2
3
2
4
2
C
u
1
0
.
0
2
6
2
C
I
N
D
4
6
2
C
TP212
u
2
.
2
D
S
_
8
V
1
FB205
3
4
2
C
u
1
0
.
0
T
A
B
V
O
I
V
_
2
6
V
2
0
0
5
2
R
3
6
2
C
I
N
D
D
S
_
8
V
1
R235
0
p
0
0
1
6
4
2
C
5
N
E
D
N
G
4
7
1
C
C
V
_
O
I
2
C
C
V
_
O
I
6
2
1
L
V
_
O
I
3
2
L
V
_
O
I
C
C
V
8
L
V
1
G
A
T
U
M
3
7
3
3
X
S
L
N
3
0
2
U
I
N
D
4
2
2
R
H
n
1
5
4
2
C
p
2
2
5
5
2
C
1
R234
3
0
2
L
A
N
p
0
0
1
6
5
2
C
0
1
2
P
T
T
B
V
_
5
8
V
2
7
0
2
P
T
5
2
2
R
I
N
D
4
5
2
C
I
N
D
3
5
2
C
TP211
I
N
D
FB206
9
0
2
P
T
8
0
2
P
T
TP215
FB204
TP213
I
N
D
6
2
2
R
1
0
2
T
N
A
D
E
E
F
1
C
N
2
C
N
TP214
p
8
.
1
4
4
2
C
DBB_BT_INT
BT_INT
X
R
_
T
R
A
U
_
T
B
X
T
_
T
R
A
U
_
T
B
I2S_WS
I2S_SDO
I2S_SCK
BT_RESETn
BT_VCXO_EN
8
V
1
_
K
2
3
K
L
C
C
N
Y
S
_
M
C
P
_
T
B
K
L
C
_
M
C
P
_
T
B
X
T
_
M
C
P
_
T
B
X
R
_
M
C
P
_
T
B
K
L
C
_
T
B
T
N
A
_
M
F
L
_
T
U
O
_
O
I
D
A
R
R
_
T
U
O
_
O
I
D
A
R
S
T
C
_
T
R
A
U
_
T
B
S
T
R
_
T
R
A
U
_
T
B
TP1
TP3
TP2
TP5 ~ TP8
TP3
TP4