Circuit Diagram - LG KT610 Service Manual

7. CIRCUIT DIAGRAM

1 1 1 2 2 2 3 3 3
A A A
V D D O I A V D D O I B V D D O I C
B B B
C 2 1
C P U _ 1 9 2 . M M X T A I L
C 2 2
M X T A L O
C 1 9
C L K 3 2 K S X T A I L
C 2 0
S X T A L O
D 2 0
P O R N P O R N
D 1 7
M C A M _ C L K _ O U T C L K O U T 0
V D D O I D E 6
T M S
C 5
A P _ V D D _ O I _ 1 8 . V T D O
D 5
V D D O I E T I D
D 4
T C K
D I N E 5
T R S T N
H 2 4
T A P S E L
C C C w o u d l b e d e e l e t d
R 1 0 4
N 2 2
S C A N E N
D 2 3
S C A N M O D
L 1 1
T S T C L K
D 2 1
B A T O K
V D D O K D 1 9
V D D O K
P W R E N E 2 0
P W R E N
E 1 9
R E M A P 1 _ S M P R E G N
F 1 9
R E M A P 0 _ S M D R I N
M 2 4
S M A D 1 0
W 2 1
S M P S 1 N
2 J 1
S M P S 0 N
2 J 2
S M C S 1 N
K 2 2
S M C S 0 N
M 2 3
D D D S M A D 9
L 2 4
S M W E N
P 2 1
S M O E N
N 2 3
S M A D 0
K 2 3
S M A D 1
V D D O I D L 2 3
S M A D 2
K 2 4
S M A D 3
M 2 2
S M A D 4
N 2 4
S M A D 5
2 J 3
S M A D 6
L 2 2
S M A D 7
2 J 4
S M A D 8
P 2 4
N A N D _ R E A D Y _ A P S M W A T I N
Y 2 3
S M F W P N
Y 2 4
S M F R S T N
T P 1 0 0 W 2 2
S M A _ D Q 0
V 2 3
E E E S M A _ D Q 1
T 2 3
S M A _ D Q 2
T 2 2
S M A _ D Q 3
V 2 4
S M A _ D Q 4
U 2 4
S M A _ D Q 5
P 2 3
S M A _ D Q 6
P 2 2
S M A _ D Q 7
V 2 2
S M A _ D Q 8
U 2 3
S M A _ D Q 9
U 2 2
S M A _ D Q 1 0
W 2 4
S M A _ D Q 1 1
R 2 3
S M A _ D Q 1 2
R 2 2
S M A _ D Q 1 3
V D D O I D T 2 4
S M A _ D Q 1 4
R 2 4
S M A _ D Q 1 5
E A R _ S E N S E _ N H 2 3
S M P O I W N
A U _ P W R _ E N E 1 8
F F F S M P O I S I 1 6 N
R 1 1 1 4 7 . K
A E 7
T M P W N G 0
A E 8
T M P W N G 1
A E 1 9
V D D O I A N A N D W P 0 N
A E 2 0
N A N D W P 0 1
R 1 1 2 1 0 K
H C S N _ E T M C L K _ X T C I L K H 3
H C S N
U A R T _ S W G 5
H A L E N _ S S P R X D
E B 2 I _ A D D ( R ) 2 H 4
H A D R 2 _ U R X D 1
E B 2 I _ A D D ( R ) 1 H 5
H A D R 1 _ U T X D 1
H P _ I E M E _ M O D _ E T M P S T A 1 _ X T D I A T
5 J
H A D R 0
H P _ I E M E _ A P E _ E T M P S T A 2 _ X T D I A T 4 J
H B H E N
E B 2 I _ W E _ N G 6
1 0 0 K H W R N _ S S P F R M
E B 2 I _ O E _ N G 4
H R D N _ S S P C L K
E 4
R 1 1 4 H R D Y _ R T C K
H P E I V _ T I _ S T A T E _ E T M T R G I N I N 4
H P E I V
E B 2 I _ D A T A 0 ( 1 : ) 5 E B 2 I _ D A T A 1 ( ) 5
E 1 2
C C C H D A T 1 5
E B 2 I _ D A T A 1 ( ) 4 C 1 1
H D A T 1 4 _ M S P S C K 1
E B 2 I _ D A T A 1 ( ) 3 D 1 1
H D A T 1 3
E B 2 I _ D A T A 1 ( ) 2 E 1 1
H D A T 1 2
E B 2 I _ D A T A 1 ( ) 1 C 1 0
H D A T 1 1 _ M S P T F S 1
E B 2 I _ D A T A 1 ( ) 0
D 1 0
H D A T 1 0 _ M S P T X D 1
E B 2 I _ D A T ( A ) 9 N 3
H D A T 9
E B 2 I _ D A T ( A ) 8 P 4
H D A T 8
E B 2 I _ D A T ( A ) 7 R 4
H D A T 7
E B 2 I _ D A T ( A ) 6 R 3
H D A T 6
E B 2 I _ D A T ( A ) 5
T 5
H D A T 5
E B 2 I _ D A T ( A ) 4 T 4
H D A T 4
E B 2 I _ D A T ( A ) 3 T 3
H D A T 3
E B 2 I _ D A T ( A ) 2 U 5
H D A T 2
E B 2 I _ D A T ( A ) 1 U 4
H D A T 1
E B 2 I _ D A T ( A ) 0
U 3
H D A T 0
D D D
T P 1 0 1
O 1 J 0 0 O 1 J 0 1
E E E
R E M O T E _ P W R _ O N
F F F
1 1 1 2 2 2 3 3 3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 4 4 5 5 5 6 6 6 7 7 7
V D D O I D V D D O I E V D D O I F V D D 1 2 V D D N A N D V D D D D R V D
U 1 0 0
S T N 8 8 1 0 S 1 2 B 2 V 1
A P _ V D D _ O I _ 1 8 . V
D 1 0 0
R E M O T E _ P W R _ O N _ A P
R B 5 2 1 S 3 - 0
4 4 4 5 5 5 6 6 6 7 7 7
8 8 8 9 9 9 1 1 1 0 0 0 1 1 1 1 1 1
D A V D D Q A P _ V F U S E
C 6 K E Y C
G P O I 3
D 7 K E Y C
G P O I 4
F 8 F O L D
G P O I 5
E 8 H O O K
G P O I 6
F 1 5 M S P T
G P O I 1 9
D 1 6 W M _ L
G P O I 2 1
C 1 6 W M _ B
G P O I 2 2
C 1 7 V G A _
G P O I 2 6
D 1 8 L E V E L
G P O I 2 8
C 1 8 C A M _
G P O I 2 9
A B 8 V G A _
G P O I 3 4
C A M _
A B 7
G P O I 3 5
A C 7 W L E D
G P O I 3 6
A D 7 U S B _ S
G P O I 3 7
A D 6 U T X D
G P O I 3 8
N 6 2 I C S C
G P O I 5 3
N 5 2 I C S D
G P O I 5 4
G 3 B T _ R E
G P O I 5 8 _ S S P T X D
D 2 2 C A M _
G P O I 7 6
K 4 H P _ I T I
G P O I 9 1
3 J H P _ I T I
G P O I 9 2
D 6 U T X D
U T X D 0
F 7 U R X D
U R X D 0
E 7 U C T S
U C T S 0 N
D 8 U R T S
U R T S 0 N
A B 6 U R X D
U R X D 2
E 2 4 U S B V
U S B V P
F 2 2 U S B V
U S B V M
F 2 3 U S B R
U S B R C V
E 2 2 U S B S
U S B S D A
G 2 2 U S B N I
U S B N I T N
G 2 3 U S B O
U S B O E N
E 2 3 U S B S
U S B S C L
F 5 2 I C S C
2 I C S C L 0
F 4 2 I C S D
2 I C S D A 0
E 2 1 T I _ W
P W L O U T
K 5 C I C I R
C C R I D I 7 _ C C R I O D 7
K 3 C I C I R
C C R I D I 6 _ C C R I O D 6
C I C I R
L 4
C C R I D I 5 _ C C R I O D 5
L 5 C I C I R
C C R I D I 4 _ C C R I O D 4
L 3 C I C I R
C C R I D I 3 _ C C R I O D 3
M 4 C I C I R
C C R I D I 2 _ C C R I O D 2
M 5 C I C I R
C C R I D I 1 _ C C R I O D 1
M 3 C I C I R
C C R I D I 0 _ C C R I O D 0
P 5 C C R I
C I C I R V I S
P 3 C C R I
C C R I H I S
R 5 C C R I
C C R I C I L K _ C C R I O C L K
D 9
C C P D A P
E 9
C C P D A N
C 9
C C P C K P
E 1 0
C C P C K N
C 8
C C P R S E T
V 3 M D S I
C L P W R
W 4
C L L P H S
V 5 D S I _ R
C L P C K
A A 7 L C D _
C L F P V S
W 3 D S I _ W
C L A C D E
V 4
C L L E
A C 8 S D S I _
C L C D 1 7
A D 8 L C D _
C L C D 1 6
A C 6 L
C L C D 1 5
A B 5 L
C L C D 1 4
A C 5 L
C L C D 1 3
A A 6 L
C L C D 1 2
L
A A 5
C L C D 1 1
A D 5 L
C L C D 1 0
A C 4 L
C L C D 9
A B 4
C L C D 8
A A 4
C L C D 7
A B 3
C L C D 6
Y 5
C L C D 5
A A 3
C L C D 4
Y 4
C L C D 3
Y 6
C L C D 2
Y 3
C L C D 1
W 5
C L C D 0
L 2 5
D U 1
T 2 5
D U 2
A E 2 5
G N D 6 3
A E 2 6
G N D 6 4
A F 2 4
G N D 6 5
A F 2 5
G N D 6 6
A F 2 6
G N D 6 7
8 8 8 9 9 9
- 165 -
1 1 1 2 2 2 1 1 1 3 3 3 1 1 1 4 4 4 1 1 1 5 5 5
V D D O I C A P _ V D D _ O I _ 1 8 . V V D D 1 2 A P _ V
R 1 0 0
R 1 0 1 0
0
V D D O I D V D D A A P _
R 1 0 2 1 0
V D D O I E
V D D Q
O D E R _ R S T N
O D E R _ N I T
E R _ D E T E C T V D D D D R
_ S E N S E
C K 0
R C
C L K V D D N A N D
R S T N _ A P
_ S H F I T _ E N
2 I C _ C T L
S T A N D B Y
F I _ P O W E R
V D D N A N D
_ n R S T
W V D D Q V D D D D R
2
L 1
A 1
S E T N
C 1 1
F I _ P W D N
C 1 1 2 C 1 1 3 C 1 1 4 C 1 1 5 C 1 1 6 C 1 1 7 C 1 1 8 C 1 1 9 0 1 . u
_ M O D _ E T M S Y N C A _ X T D I A T
0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u
_ A P E _ E T M P S T A 0 _ X T D I A T
0
0 V D D O I E
0 N
0 N
2
P
M V D D 1 2
C V
D A
T N
E N
C L
C 1 2 0 C 1 2 1 C 1 2 2 C 1 2 3 C 1 2 4 C 1 2 5 C 1 2 6 C 1 2 7 C 1 2 8
L 0
0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u
A 0
A K E _ U P _ A P
( D ) 7
( D ) 6
( D ) 5
( D ) 4
( D ) 3
( D ) 2
( D ) 1
( D ) 0
V D D O I D V D D O I E V D D O I F
V I S
H I S
C I L K
C 1 2 9 C 1 3 0 C 1 3 1 C 1 3 2 C 1 3 3 C 1 3 4 C 1 3 5 C 1 3
0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 .
_ C S N
S
V S
E N
C S N
L C D _ D A T A 0 ( 1 : ) 5
V D D O I C
N R E S E T
C D _ D A T A 1 ( ) 5
C D _ D A T A 1 ( ) 4
C D _ D A T A 1 ( ) 3
C D _ D A T A 1 ( ) 2
C D _ D A T A 1 ( ) 1
C D _ D A T A 1 ( ) 0
C 1 3 8 C 1 3 9 C 1 4 0 C 1 4 1 C 1 4 2 C 1 4 3 C 1 4 4
C D _ D A T ( A ) 9
0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u
L C D _ D A T ( A ) 8
L C D _ D A T ( A ) 7
L C D _ D A T ( A ) 6
L C D _ D A T ( A ) 5
L C D _ D A T ( A ) 4
L C D _ D A T ( A ) 3
L C D _ D A T ( A ) 2
L C D _ D A T ( A ) 1
L C D _ D A T ( A ) 0
V D D O I A V D D O I B
V D D O I A
R 1 1 5
V D D O I B
C 1 4 5 C 1 4 6 C 1 4 7 C 1 4 8 C 1 4 9 C 1 5 0
0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u
V D D O I F
LGE Internal Use Only
16 1 1 6 6
A A A
C O R E
V P L L
B B B
0 C 1 1 1
0 1 . u
D D D
E E E
6 C 1 3 7
u 0 1 . u
F F F
C C C
C C C
A P _ V D D _ O I _ 2 7 . V
0
D D D
E E E