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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LGE Internal Use Only
4.8 Camera Trouble
TEST POINT
FL303,FL307
FL301,FL304
U203
R308
FB306
CN305
CIRCUIT
TP1
TP2
C321
C320
CAM_PCLK
nCAM_RESET
CAM_MCLK
CAM_HSYNC
CAM_VSYNC
CAM_I2C_DATA
)
o
n
e
J
_
8
1
8
0
8
0
(
F
p
5
1
m
h
o
0
5
o
t
d
e
g
n
a
h
C
3
B
_
T
U
O
N
I
4
B
_
T
U
O
N
I
6
1
0
3
L
F
R
F
0
0
5
R
0
5
1
E
4
8
1
0
1
E
V
C
I
G1
5
10
G2
1
A
_
T
U
O
N
I
1
2
2
A
_
T
U
O
N
I
3
A
_
T
U
O
N
I
3
4
4
A
_
T
U
O
N
I
9
1
B
_
T
U
O
N
I
2
B
_
T
U
O
N
I
8
7
1
0
6
1
1
0
0
Y
E
F
S
3
0
3
L
F
5
G1
10
G2
1
1
A
_
T
U
O
N
I
2
A
_
T
U
O
N
I
2
3
3
A
_
T
U
O
N
I
4
A
_
T
U
O
N
I
4
1
B
_
T
U
O
N
I
9
8
2
B
_
T
U
O
N
I
3
B
_
T
U
O
N
I
7
6
4
B
_
T
U
O
N
I
R
F
0
0
5
R
0
5
1
E
4
8
1
0
1
E
V
C
I
D
D
V
O
I
_
8
V
2
2V8_IOVDD
4
5
6
7
8
9
0
1
1
1
3
1
2
1
4
1
5
1
6
1
7
1
8
1
9
1
2
0
2
1
2
2
2
3
2
4
2
3
G
7
2
2
4
2
L
7
K
X
A
5
0
3
N
C
1
0
4
0
2
0
0
Y
B
N
E
2
G
1
G
4
G
3
G
1
C330
1u
4.7K
R316
7
0
3
L
F
G1
5
G2
10
1
A
_
T
U
O
N
I
1
2
2
A
_
T
U
O
N
I
3
A
_
T
U
O
N
I
3
4
4
A
_
T
U
O
N
I
9
1
B
_
T
U
O
N
I
2
B
_
T
U
O
N
I
8
7
3
B
_
T
U
O
N
I
4
B
_
T
U
O
N
I
6
C329
1
u
T
E
S
E
R
G1
5
G2
10
1
A
_
T
U
O
N
I
1
2
2
A
_
T
U
O
N
I
3
A
_
T
U
O
N
I
3
4
4
A
_
T
U
O
N
I
9
1
B
_
T
U
O
N
I
2
B
_
T
U
O
N
I
8
7
3
B
_
T
U
O
N
I
4
B
_
T
U
O
N
I
6
4
0
3
L
F
1u
C331
4.7K
R315
1V8_DVDD
K
L
C
M
K
L
C
P
2V8_AVDD
K
L
C
_
C
2
I
_
M
A
C
A
T
A
D
_
C
2
I
_
M
A
C
N
D
W
P
_
M
A
C
C
N
Y
S
V
_
M
A
C
C
N
Y
S
H
_
M
A
C
0
A
T
A
D
_
M
A
C
1
A
T
A
D
_
M
A
C
2
A
T
A
D
_
M
A
C
3
A
T
A
D
_
M
A
C
K
L
C
P
_
M
A
C
T
E
S
E
R
_
M
A
C
n
K
L
C
M
_
M
A
C
4
A
T
A
D
_
M
A
C
5
A
T
A
D
_
M
A
C
6
A
T
A
D
_
M
A
C
7
A
T
A
D
_
M
A
C
)
0
0
_
R
D
D
A
_
2
B
E
(
R
E
W
O
P
A
R
E
M
A
C
2V8_AVDD
1
2
3
C
u
2
.
2
0
3
3
8
0
3
R
u
1
9
1
3
C
6
0
3
B
F
1
N
S
1
0
6
B
A
5
1
M
L
B
1
0
1
8
0
0
0
H
B
F
S
1
T
U
O
V
2
T
U
O
V
7
u
2
.
2
0
2
3
C
W
Q
P
G
M
-
1
1
0
9
T
R
1
0
0
9
1
3
0
Y
S
U
E
3
0
3
U
1
N
E
2
3
2
N
E
D
N
G
5
4
1
C
N
6
2
C
N
9
PGND
N
I
V
8
1
1V8_DVDD
2V8_IOVDD
T
A
B
V
N
E
_
O
D
L
_
M
A
C
TP2
TP1