LG GD330, Service Manual

Page: 67 / 153

- 68 - LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
< CN303 Connection of Main PCB >
- You must check camera signals at a Connector Side of a Main PCB
because you could check final signal states through connector.
p 0 0 0 1
9 3 3 C
0 2
1 2
2 2
3 2
4 2
3
4
5
6
7
8
9
2
G 1
G
4 G 3 G
1
0 1
1 1
3 1 2 1
4 1
5 1
6 1
7 1
8 1
9 1
2
3 0 3 N C
M A C V _ 8 V 2
M A C V _ 5 V 1
u 1
1 4 3 C
K 1 2 4 3 R
M A C V _ 8 V 1
u 1
0 4 3 C
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
7 0 3 L F
u 1
2 4 3 C
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
6 0 3 L F
5
G1
10
G2
1
1 A _ T U O N I
3 B _ T U O N I
4 B _ T U O N I
6
5 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
9 1 3 A V
S V _ M A C
S H _ M A C
K L C M _ M A C
K L C P _ M A C
) 3 ( D _ C
) 2 ( D _ C
) 1 ( D _ C
) 0 ( D _ C
) 0 : 7 ( D _ C
T E S E R _ M A C _
N D W P _ M A C _
A D S _ C 2 I
) 7 ( D _ C
) 6 ( D _ C
) 5 ( D _ C
) 4 ( D _ C
L C S _ C 2 I
T A B V
T A B V
2
PGND
5
4
D D V
1
T U O V
5 0 3 U
F - R T - D 1 8 2 K 3 0 1 P R
E C
3
D N G
u 2 . 2
8 3 3 C
4 3 3 C
u 2 . 2
M A C V _ 8 V 2
3 3 3 C
u 1 . 0
E C
2 3
D N G
PGND
5
4
T U O V D D V
1
D 1 5 1 K 3 0 1 P R
8 0 3 U
u 1 . 0
7 3 3 C
0 4 3 R
K 0 0 1
7 0 3 U
E C
3
D N G
2
PGND
5
4
D D V
1
T U O V
F - R T - D 1 8 1 K 3 0 1 P R
8 0 3 B F
T A B V
0 1 3 B F
M A C V _ 8 V 1
K 0 0 1
1 4 3 R
4 4 3 C
u 2 . 2
M A C V _ 5 V 1
3 4 3 C
u 1 . 0
1 1 3 B F
N E _ 5 V 1 _ M A C
N E _ O D L _ M A C
N E _ O D L _ M A C