LG gd350 Service Manual page 119

7. CIRCUIT DIAGRAM
1 6 1 5 1 4
L
K E Y
K
R 2 0 3
K P _ N I 0
6 8 0
K B 2 0 0
J
R 2 0 4
K P _ N I 1
8 2 0
K B 2 1 0
R 2 0 5
K P _ N I 2
8 2 0
K B 2 1 5
I
R 2 0 6
K P _ N I 3
8 2 0
K B 2 2 0
R 2 0 7
K P _ N I 4
8 2 0
R 2 8 0
K P _ O U T 0
6 8 0
H R 2 0 9
K P _ O U T 1
6 8 0
R 2 0 1
K P _ O U T 2
8 2 0
R 2 1 1
K P _ O U T 3
8 2 0
R 2 2 1
K P _ O U T 5
8 2 0
V A 2 0 0 V A 2 0 1 V A 2 0 2 V A 2 0 3 V A 2 0 4
G
1 V 8 1 _ V D
F
C 2 0 7
C 2 0 5
2 7 p
1 0 u
H S _ M C I _ N
C 2 0 8
3 9 p U A R T _ R X
U A R T _ T X
H S _ M C I _ P
E
H S O _ L
C 2 0 6 H S O _ R
C 2 1 0
2 7 p
1 2 0 p
D
V B U S _ U S B
u U S B C O
C
C N 2 0 1
6
8
1 0
1 2
1 4
1
F B 2 0 3 2
U S W _ D M
F B 2 0 4 3
U S W _ D P
4
U S W _ D I D 2 0 0 L 2 0 1 C 2 1 3
5
B 1 0 0 n 2 7 p
7
9
1 1
1 3
1 5
C 2 1 2
2 2 p
V A 2 1 3 V A 2 1 2
C o l s e o t
S C 2 0 0
1 2
A
1 6 1 5 1 4
LGE Internal Use Only
1 3 1 2 1 1 1 0
C N 2 0 0 B T O B
1
R 2 0 0 1 5 0 2
R 2 0 1 3
1 5 0
R 2 0 2 4
1 5 0
F O L D E R
1 V 8 1 _ V D D
K B 2 0 3 K B 2 0 4
L C D _ D I
F I _ M O D E 1
K B 2 1 0 K B 2 5 0 K B 2 0 6 K B 2 0 7
F I _ M O D E 1
F L 2 0 4
1 9
L C D _ D A T A 0 0 N I O U T _ A 1 N I O U T _ B 1
2 8
L C D _ D A T A 0 1
K B 2 8 0 K B 2 0 9 K B 2 1 1 K B 2 1 2 N I O U T _ A 2 N I O U T _ B 2
3 7
L C D _ D A T A 0 2
N I O U T _ A 3 N I O U T _ B 3
4 6
L C D _ D A T A 0 3
N I O U T _ A 4 N I O U T _ B 4
1 5 p F
K B 2 7 1 K B 2 6 1 K B 2 1 4 K B 2 1 3
F L 2 0 5
1 9
L C D _ D A T A 0 4 N I O U T _ A 1 N I O U T _ B 1
2 8
L C D _ D A T A 0 5 N I O U T _ A 2 N I O U T _ B 2
3 7
L C D _ D A T A 0 6 N I O U T _ A 3 N I O U T _ B 3
4 6
L C D _ D A T A 0 7
N I O U T _ A 4 N I O U T _ B 4
K B 2 1 8 K B 2 9 1 K B 2 2 1 K B 2 2 2
1 5 p F
F L 2 0 6
1 9
L C D _ V S Y N C N I O U T _ A 1 N I O U T _ B 1
2 8
n L C D _ C S N I O U T _ A 2 N I O U T _ B 2
3 7
L C D _ R S
N I O U T _ A 3 N I O U T _ B 3
4 6
n L C D _ W R
N I O U T _ A 4 N I O U T _ B 4
1 5 p F
V B U S _ U S B
D
V B A T M U C I
C 2 0 2 C 2 0 3
2 2 . u 1 u
D 2 D 5
B A T V B
A 4 C 5
U S B _ D M U S W _ D M
D N 1 C O M N 1
A 5 B 5
U S B _ D P D P 2 C O M P 2 U S W _ D P
F B 2 0 2
R 2 1 3 B 3 B 4
U 1 U 2 0 0 U D I U S W _ D I
R 4 2 1 7 4 A 3
U 2
B 1 R 2 1 7
4 7
R E S
A 1 C 2 1 5 M C I
2 2 . K
M C I
F B 2 0 0 D 4 D 1 1 5 . n
A U D 1 C A P
D 3
F B 2 0 1
A U D 2
C 4
G N D
A 2 C 3
S I E T C I M C I
C 2 0 1 C 2 0 0
1 5 . n 1 5 . n
C 2 0 4
2 2 . u
1 V 8 1 _ V D D
2 I C _ S C L
2 I C _ S D A
U S W _ N I T
N N
C H A R G E R C I
1 V 8 1 _ V D D V B U S _ U S B 1 V 8 1 _ V D D
V B A T
U 2 0 1
F M _ A N T
1 1 0
N I B A T
4
L D O
2
S I E T
5 9
T P 2 0 1
I M N I _ P O K
8
_ C H G
6 7
C H G _ E N _ E N _ S E T T E S T
C 2 6 5 C 2 2 0
0 1 . u 1 u C 2 2 1 C 2 2 2
1 u 0 1 . u
D B B A G N D
1 %
1 3 1 2 1 1 1 0
9 8 7 6
V B A C K U P
V A U X V B A T
1 V 8 1 _ V D D
C N 2 0 3
G 1 G 2
1 4 4
2 4 3
D 2 0 7
M O T O R _ N
3
M O T O R _ P
4 4 1
D 2 0 8
5 4 0
D 2 0 6
M L E D
6 3 9
M L E D 1
7 3 8
M L E D 2
8 3 7
M L E D 3
9 3 6
1 0 3 5
1 1 3 4
R C V _ S P K _ P
1 2 3 3
C 2 5 4
1 3 3 2
2 7 p
1 4 3 1
R C V _ S P K _ N
1 5 3 0
n L E D _ R E S E T
1 6 2 9
L D O _ C N T V A 2 3 0 V A 2 3 1
1 7 2 8
2 I C _ S D A
1 8 2 7
2 I C _ S C L
1 9 2 6
2 0 2 5
R 2 3 8
n L C D _ R E S E T
1 0 0
2 1 2 4
2 2 2 3
G 3 G 4
D 2 0 4
D 2 0 5
1 u 1 u 1 u
C 2 5 2 C 2 5 1 C 2 5 0
V B A T
K E Y L E D
V M C I
M C I
L 2 0 4
1 0 0 n L D 2 0 0
L D 2 1 0 L D 2 0 2
V A 2 0 8
C 2 5 7 C 2 5 8
3 9 p 1 0 u
G 4
6
P W R
_ N 5
G 3 3
4
C 2 5 9 G 2 Q 2 0 0 2 R 2 2 2
3 K
G 1
3 9 p 1 2 . K
2 1
O U T
1 C 2 6 4
_ P
M C I 2 0 0 0 1 . u
V A 2 1 0 V A 2 1 1
C 2 6 3 C 6 2 2
3 9 p 3 9 p
B A T T C O N N
1 V 8 1 _ V D D P O W E R
V B A T
C N 2 0 2
1
4 2 R 2 2 5
B A T _ D I
L D O _ O U T 3 1 0
E O C
E N D _ K E Y
C 2 1 6 C 2 1 7 C 2 1 8 C 2 1 9
4 7 . u 4 7 . u 0 1 . u 3 9 p
1 %
9 8 7 6
- 120 -
5 4 3 2
H Y N X I 2 M C A M
2 V 8 _ V C A M
1 V 8 _ V C A M
1 5 p F
C N 2 0 4
1 2 4
C A M _ D A T A 0 7 N I O U T _ B 4 N I O U T _ A 4
6 4
C A M _ D A T A 0 6 N I O U T _ B 3 N I O U T _ A 3
2 2 3
7 3
C A M _ D A T A 0 5 N I O U T _ B 2 N I O U T _ A 2
8 2
C A M _ D A T A 0 4 N I O U T _ B 1 N I O U T _ A 1
3 2 2
9 1
F L 2 0 1
4 2 1
1 5 p F
5 2 0
T P 2 0 4
T P 2 0 3
6 1 9
C A M _ D A T A 0 3 N I O U T _ B 4 N I O U T _ A 4
6 4
C A M _ D A T A 0 2 N I O U T _ B 3 N I O U T _ A 3 7 1 8
7 3
C A M _ D A T A 0 1 N I O U T _ B 2 N I O U T _ A 2
8 2
C A M _ D A T A 0 0 T P 2 0 5
N I O U T _ B 1 N I O U T _ A 1 8 1 7
9 1
F L 2 0 2 C 2 6 7
9 1 6
1 5 p
1 0 1 5
1 1 1 4
R 2 3 4
C A M _ R S T
1 0 0
1 2 1 3
C A M _ P W D N
C 2 4 9 1 u u 1 1 u
D I N C 2 4 6 C 2 4 7 C 2 4 8
V B A T
A U I D O A M P
C 2 3 7 C 2 3 8
1 u
4 7 . u 0 1 . u
C 2 3 6
E 1 A 4
R C V _ P N I M + L S O U T +
D 1 A 3
R C V _ N N I M - L S O U - T
C 1 D 2
H S _ L N I L S E T
U 2 0 2
C 2
H S _ R N I R
E 3
1 V 8 1 _ V D D
H P L
C 3
B Y P A S S
A 1
2 I C V D D
B 2
2 I C _ S D A S D A
B 3 E 2
2 I C _ S C L S C L H P R
C 2 2 7 C 2 2 8 C 2 3 5
3 9 p 3 9 p 0 1 . u
C
0
L D 2 0 3 C 2 3 3 C 2 3 4
2 2 . u 2 2 . u
E Y _ B L _ E N
V B A T
C H A R G E P U M P
2 V 8 _ V C A M
M L E D
C 2 4 2
4 7 . u
1 u
C 2 4 0
1
C - 2
2 1 5
P G N D U 2 0 3 L D O 1
3 1 4
N C 1 L D O 2
4 1 3
K E Y M L E D 1 B L 1 B Y P
5 1 2
M L E D 2 B L 2 N C 3
1 1
S W F I
M L E D 3
C 2 4 3
2 2 n
D 2 0 1 D 2 0 2 D 2 0 3
V R T C _ 2 V 0
K B 2 2 3
S e p e a r e t P G N D a n d A G N / D G R E F a n d T H E R _ G N D a n d i d e r t c y l c o n n e t c G N D a l y r e
A l l G N D m u t s b e s e p e a r e t e a c h o h t r e e x c e t p A G N D a n d G R E F
5 4 3 2
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1
L
2 I C _ S C L
2 I C _ S D A
K
C A M _ V S Y N C
C A M _ H S Y N C
R 2 9 1 5 1
C A M _ M C L K
R 2 2 0 2 2
C A M _ P C L K
C 2 6 8
D I N
J
I
H
R C V _ S P K _ P
R C V _ S P K _ N
G
H S O _ L
H S O _ R
F
2 3 2
1 . u
E
1 V 8 _ V C A M
D
C 2 4 4
C 2 5 4
2 2 . u
2 2 . u
C
S W F I
B
A
1