LG KS660 Service Manual page 126

7. CIRCUIT DIAGRAM
1 2
M A N I R E C E V I E R
L 3 0 1
R C V _ O U T P
1 0 0 n H
L 3 0 2
R C V _ O U T N
H
1 0 0 n
C 3 0 4 C 3 0 5
4 7 p 4 7 p
B
C
1 V 8 _ M C I _ B A I S
M A N I
C 3
D D I N
M A N I _ M C I _ N
C 3 2 7
4 7 p
M A N I _ M C I _ P
V A
2 7 p C 3 3 1
C I V L 0 5 1 8 1 0 0 Y 5 0 0
C 3 3 0 2 7 p
E
R E C E V I E R
U 3 0 5 F S A 2 2 6 8
1 0
E A R _ N 1 B 0 1 A
1
R C V _ N 1 B 1 S 1
2
E A R _ P 2 B 0 2 A
F
3
R C V _ P 2 B 1 S 2
4
G N D V C C
G
H E A D S E
U 3 1 0
1 0
I S M 1 _ H S M C I _ N 1 B 0
1
I S M 2 _ H S M C I _ N 1 B 1
2
I S M 1 _ H S M C I _ P
2 B 0
3
I S M 2 _ H S M C I _ P 2 B 1
4
G N D
H
1 2
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Only for training and service purposes
3 4 5
H S M C I B A I S
V B A T 2 V 5 _ H S M C I _ B A I S
C N 3 0 0
1 F B 3 0 0
U 3 0 0
2 B H 2 5 F B 1 W H F V
V N I V O U T
3 4
G N D B G N D
2 6
H S M C I _ B A I S _ E N S T B Y N C
1 5
C I V L 0 5 1 8 1 0 0 Y 5 0 0 F R
C I V L 0 5 1 8 1 0 0 Y 5 0 0 F R C 3 0 6 C 3 0 7
0 1 . u F 2 2 . u
M C I B A I S
2 V 6 2 _ V O I 1 V 8 _ M C I _ B A I S
F B 3 0
R P 1 0 4 K 1 8 1 D U 3 0 2
4 1
V D D V O U T
3 2
M C I _ B A I S _ E N C E _ N C G N D
C 3 2 1 C 3 2 2
D I N 2 2 . u
M C I
L 3 0 7
1 0 0 n H
2 5
M C I _ B A I S
M C I _ N
M C I _ P
C 3 2 9
1 u
3 0 7
C I V L 0 5 1 8 1 0 0 Y 5 0 0 F R
F R
S W T I C H
M C I S W T I C H
2 V 6 2 _ V O I
2 V 6 2 _ V O I
T U M X U 3 0 6 F S A 2 2 6 8 T U M X
8 1 0 8
R C V _ O U T N I S M 1 _ M C I _ N 1 B 0 1 A
7 1 7
I S M 1 _ I S M 2 _ S E L I S M 2 _ M C I _ N 1 B 1 S 1
5 2 5
R C V _ O U T P I S M 1 _ M C I _ P 2 B 0 2 A
6 3 6
I S M 2 _ M C I _ P 2 B 1 S 2
9 4 9
G N D V C C
C 3 3 8 C 3 3 4
1 u 2 7 p 2 7 p 1 u
C 3 3 5 C 3 3 6
H E A D S E T R E C E V I E R S W T I C H S (
T M C I S W T I C H
2 V 6 2 _ V O I
2 V 6 2 _ V O I
U 3 0 9 F S A 2 2 6 8 T U M X
1 0 8
F S A 2 2 6 8 T U M X
B B _ S N D _ R 1 B 0 1 A
8
1 A H S _ M C I _ N
7
1
S P K _ N 1 B 1 S 1
7
S 1 I S M 1 _ I S M 2 _ S E L
2 5
B B _ S N D _ L 2 B 0 2 A
5
2 A H S _ M C I _ P
3 6
S P K _ P
2 B 1 S 2
6
S 2
4 9
G N D V C C
9
V C C C 3 4
1 u 2 7 p
1 u C 3 4 1
C 3 4 2
3 4 5
6 7 8
2 V 5 _ H S M C I _ B A I S
2 V 6 2 _ V O I
R 3 0 2
U 3 0 1
N C S 2 2 0 0 S Q 2 T 2 G 1 M
5
4 I V - N
R 3 0 5 H O O K _ B T N
1 V C C
H O O K _ D E T E C T
3
O U T G N D V N I +
4 7 M U
2
R 3 0 8 M U
C 3 0 8
1 0 0 K J A
1 2 0 p
R 3 0 9
R
1 5 . K
C 3 0 9
2 7 p
H S _ M C I _ N
C 3 1 0
C 3 1 1
2 2 n
R 3 1 3 2 2 . K
1 0 p
H S _ M C I _ P
C 3 1 2
C 3 1 3
2 2 n
3
2 7 p C 3 1 4
1 0 u
H S O _
H S O _ R
U A R T S W T I C H
V B A T
U 3 0 7
N L A S 5 2 2 3 B M N R
1 1
M A N I _ M C I _ N
V C C N O 2
2 9
I S M 1 _ I S M 2 _ S E L I S M 2 _ U A R T _ T X N O 1 C O M 2
3 8
M A N I _ M C I _ P U A R T _ T X C O M 1 N I 2
R 3 2 1
4 7
U A R T _ S E L N I 1 N C 2
1 K
5 6
I S M 1 _ U A R T _ T X N C 1 G N D
1 u
C 3 3 7
G 3 S / G ) R
U S B S W T I C H
V B A T
A M P N I _ R
U 3 1 1
F S U S B 3 0 U
I S M 1 _ I S M 2 _ S E L
R 3 3 0
1 0
U S B _ S E L S E L H S D
A M P N I _ L 1 K
9
V C C H S D
8
_ O E
R 3 3 3 1 0 7
3 C 3 4 0 I S M 1 _ U S B _ D M H S D - 1 G
2 7 p
6
I S M 2 _ U S B _ D M H S D - 2
1 u
C 3 4 4
6 7 8
- 127 -
9 1 0 1 1
1 8 P N I M U L T P I O R T R E C E P T A C E L
V C H G
V B U S _ U S B
V
C I V F P 1 0 1 8 1 E 3 0 1 F R F L 3 0 0 C I V F P 1 0 8 1 1 E 3 0 1 F R F L 3 0 1
O U T N I O U T N I
G N D 2 G N D 1 G N D 2 G N D 1
2 V 6 2 _ V O I
C 3 0 1
4 7 p
C 3 0 3
C 3 0 2 2 4 p
1 u
L 3 0 3 1 0 0 n H
F B 3 0 1
H O O K _ B T N
T V _ O U T R 3 0 3 1 8
R 3 0 6 1 8
L T _ I P O R T _ 0
L T _ I P O R T _ 1
R 3 0 7 4 7
C K _ D E T E C T
F B 3 0 2
P W R O N _ E N
R 3 1 0 4 7
I S M 1 _ D S R
U A R T _ T X
R 3 1 1 4 7
U A R T _ R X
R 3 1 2 4 7
F L 3 2 0 F L 3 0 3
E V S C 5 S 0 4 F 0 5 0 E V S C 5 S 0 4 F 0 5 0
P 6 P 6
6 6
F B 3 0 4
P 3 3 P 3 3
L
C 3 1 8
8 2 p
F B 3 0 5
C 3 2 3
8 2 p R C L A M
M U L I T P - O R T S W T I C H 1
V B A T
C 3 2 4
0 1 . u
V B A T
U 3 0 3
N L A S T 9 4 3 1 M T
R 3 1 6
1 0 K
1 1 2
J A C K _ D E T E C T N C _ A 1 C O M _ D M U L T _ I P O R T _ 1
2 1 1
C 3 2 6 S A B N O _ D 0
3 1 0
1 2 0 p N O _ B 0 S C D
4 9
C O M _ B N C _ C 1
R E M O T E _ N I T
R 3 1 8 1 0 0 K
M U L T _ I P O R T _ 0
R E M O T E _ A D C
V A 3 0 8
U S B _ D P
U S B _ D M
J A C K _ D E T E C T V B U S _ U S B M U L T _ I P O R T _ 0 M U L T _ I P O R T _ 1
0 0 R E M O T E _ N I T R E M O T E _ A D C
1 0 T X D _ 0 R X D _ 0
0 1 / 1 U S B _ D P U S B _ D M
2 G
0
I S M 2 _ U A R T _ R X
U A R T _ R X
I S M 1 _ U A R T _ R X
V B U S _ O V P
V B U S _ U S B
N L A S 4 1 5 7 D F T 2 G U 3 0 8
6 1
U S B _ S E L S B 1 S G R _ V
5 2
V C C G N D
4 3
A B 0 S G 3 _ V
C 3 3 9
1 u
V U S B V U S B
M X
1 R 3 3 1 1 0
1 + I S M 1 _ U S B _ D P
2
2 + I S M 2 _ U S B _ D P
3
D + U S B _ D P
4
N D
5
- D U S B _ D M
9 1 0 1 1
1 2
F M _ A N T
B A T
C 3 0 0 A
L 3 0 0
2 4 p
1 0 0 n H
1 9
1
2
3
4
5
6
7
8
9
B
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 0
C N 3 0 1
C 3 2 0 2 4 p
L 3 0 6 1 0 0 n H C
P 0 5 2 1 P _ T C T
D
R 3 1 7
V B U S _ U S B
R 3 1 9 1 0 K
1 0 K
E
F
B U S _ O V P
G
B U S _ O V P
H
1 2
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