LG KF750 Service Manual page 196

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A T o S d i l e F P C B C N 1 0 0 6
S L D I E _ C O N _ F e m a e l
C N 7 0 2
1 8 0
S B A I S
2 7 9
S E N S
3 7 8
G A N I
4 7 7
G A N I
5 7 6
C _ I R E S _ n
R 7 0 0 0 6 7 5
S Y S C L K 0 C _ I D
R 7 0 1 0 7 7 4
C _ I P C L K C _ I D
8 7 3
C _ I D
9 7 2
C _ I H S Y N C C _ I D
1 0 7 1
C _ I V S Y N C C _ I D
1 1 7 0
C _ I D
B B
1 2 6 9
A C C _ G P 2 1 _ V C I _ O _ O F F C _ I D
1 3 6 8
A P P _ 2 I C _ S C L C _ I D
1 4 6 7
A P P _ 2 I C _ S D A
1 5 6 6
O N S W A _ n S P K _
1 6 6 5
S P K _
1 7 6 4
K E Y O U T 1
1 8 6 3
K E Y O U T 2 M O T
1 9 6 2
K E Y N I 4 M O T
2 0 6 1
K E Y N I 5
2 1 6 0
L C D _
2 2 5 9
L C D _ D A T [ A ] 0 L C D _
2 3 5 8
L C D _ D A T [ A ] 1 L C D _
2 4 5 7
L C D _ D A T [ A ] 2 L C D _
2 5 5 6
L C D _ D A T [ A ] 3 L C D _
2 6 5 5
L C D _ D A T [ A ] 4 L C D _
2 7 5 4
L C D _ D A T [ A ] 5
2 8 5 3
L C D _ D A T [ A ] 6 L C D _
2 9 5 2
L C D _ D A T [ A ] 7
3 0 5 1
A P P _ G P 1 2 _ L C D _ D I W L E D
3 1 5 0
V D D E _ 1 V 8 W L E D
C C
3 2 4 9
W L E D
T o u c h S c e r e n 2 I C i w h t G I P O # 1
3 3 4 8
T O U C H _ S C R E E N _ S C L W L E D
3 4 4 7
T O U C H _ S C R E E N _ S D A W L E D
3 5 4 6
T O U C H _ S C R E E N _ N I T W L E D
3 6 4 5
3 7 4 4
3 8 4 3
T O U C H _ B U T T O N _ S C L
3 9 4 2
T o u h c B t u o t n 2 I C i w h t G I P O # 2
4 0 4 1
T O U C H _ B U T T O N _ S D A T O U C
C 7 1 2 C 7 1 3 C 7 1 4 C 7 1 5
D I N D I N D I N D I N
D D
T O U C H _ L D O
T O U C H _ 3 1 . V
V R E G _ 6 1 . V V B A T
U 7 0 0 R 1 1 1 4 D 3 1 1 D
1 3
V D D V O U T
4 2
N C G N D 1
6 5
A C C _ G P 1 2 _ T O U C H _ L D O _ E N C E G N D 2
E E
C 7 1 6 C 7 1 7
1 u 1 u
F F
J T A G
G G
V B A T
U R T 7 0 0
C T S
1 2
R T S
1 1
V P P F L A S H _ E D S R
R 7 1 3 D I N 1 0
U S B _ D P N C 4 U T X D
R 7 1 4 D I N
9
U S B _ D M N C 3 U R X D
8
V B U S N C 2 P W R
7
V B A T
V B A T
6
O J 7 0 0 O J 7 0 1 O J 7 0 2 O J 7 0 3
C T S _ O N O N _ S W O N _ S W
5
D C N I _ A N C 1 V C H A R
4
A P P _ A C C _ U A R T _ T X T X T X
H H 3
A P P _ A C C _ U A R T _ R X R X R X
2
G N D G N D
1
2 5 . G 3 G
D O W N L O A D P O N I T
1 1 2 2 3 3
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 4 5 5
1
2
0
1
F L 7 0 0
2
3 C I V E 1 0 1 8 4 E 0 7 0 R 1 0 0 F R
4
9 1
5 M M P _ C A M _ D A T [ A ] 8 N I O U T _ B 1 N I O U T _ A 1 5 M
8 2
6 M M P _ C A M _ D A T [ A ] 9 N I O U T _ B 2 N I O U T _ A 2 5 M
7 3
7 M M P _ C A M _ D A T A 1 [ ] 0 5 M
N I O U T _ B 3 N I O U T _ A 3
6 4
M M P _ C A M _ D A T A 1 [ ] 1 N I O U T _ B 4 N I O U T _ A 4 5 M
R C V +
R C - V
O R _ P W R -
O R _ P W R +
R D _ N
V S Y N C
F L 7 0 1
R E S E T _ N
C I V E 1 0 1 8 4 E 0 7 0 R 1 0 0 F R
W E _ N
9 1
C S _ N M M P _ C A M _ D A T [ A ] 7 N I O U T _ B 1 N I O U T _ A 1 5 M
8 2
A D S _ N M M P _ C A M _ D A T [ A ] 6 5 M
N I O U T _ B 2 N I O U T _ A 2
7 3
M M P _ C A M _ D A T [ A ] 5 N I O U T _ B 3 N I O U T _ A 3 5 M
6 4
P W M M M P _ C A M _ D A T [ A ] 4 N I O U T _ B 4 N I O U T _ A 4 5 M
5
4
3
2
1
_ P W R
F L 7 0 2
C I V E 1 0 1 8 4 E 0 7 0 R 1 0 0 F R
P S - E L 2 I C i w h t G I P O # 2
9 1
M M P _ C A M _ D A T [ A ] 3 5 M
N I O U T _ B 1 N I O U T _ A 1
8 2
H _ R S T M M P _ C A M _ D A T [ A ] 2 N I O U T _ B 2 N I O U T _ A 2 5 M
7 3
M M P _ C A M _ D A T [ A ] 1 N I O U T _ B 3 N I O U T _ A 3 5 M
6 4
M M P _ C A M _ D A T [ A ] 0 N I O U T _ B 4 N I O U T _ A 4 5 M
T o S o k c t e P C B C N 9 0 1
S L C I E _ B O A R D T O M A N I C O N N E C T O R
5 M C A
C A M _ V D D _ A F _ 2 8 . V C A M _
V B A T
U 7 0 3 R T 9 0 1 - 1 M G P Q W
1 8
V N I V O U T 1
2 7
M M P _ C A M _ P W R _ E N E N 1 V O U T 2
3 6
E N 2 N C 2
4 5
N C 1 G N D
4 4 5 5
6 6 7 7 8 8
5 M C A M E R A N I T E R F A C E
C 7 0 1
C 7 0
0 1 . u
0 1 . u
_ C A M _ D A T [ A ] 8 0 6 0 3
0 6 0
_ C A M _ D A T [ A ] 9
_ C A M _ D A T A 1 [ ] 0
_ C A M _ D A T A 1 [ ] 1
C N 7 0 1
R 7 0 2 3 3
1 3 4
M M P _ C A M _ M C L K
2 3 3
R 7 0 3 1 0 3 3 2
M M P _ C A M _ P C L K
4 3 1
5 3 0
5 M _ C A M _ D A T [ A ] 0
6 2 9
5 M _ C A M _ D A T [ A ] 1
7 2 8
5 M _ C A M _ D A T [ A ] 2
8 2 7
_ C A M _ D A T [ A ] 7 5 M _ C A M _ D A T [ A ] 3
9 2 6
_ C A M _ D A T [ A ] 6 5 M _ C A M _ D A T [ A ] 4
1 0 2 5
_ C A M _ D A T [ A ] 5 5 M _ C A M _ D A T [ A ] 5
1 1 2 4
_ C A M _ D A T [ A ] 4 5 M _ C A M _ D A T [ A ] 6
1 2 2 3
5 M _ C A M _ D A T [ A ] 7
1 3 2 2
5 M _ C A M _ D A T [ A ] 8
1 4 2 1
5 M _ C A M _ D A T [ A ] 9
1 5 2 0
5 M _ C A M _ D A T A 1 [ ] 0
1 6 1 9
5 M _ C A M _ D A T A 1 [ ] 1
1 7 1 8
C 7 0 5 C 7 0 6
_ C A M _ D A T [ A ] 3 D I N D I N C 7 0 7
0 1 . u
_ C A M _ D A T [ A ] 2
0 6 0 3
_ C A M _ D A T [ A ] 1
_ C A M _ D A T [ A ] 0
S D I E _ K
K E Y O U T 0
K E Y N I 0
K E Y N I 1
M E R A P O W E R
V D D _ 1 8 . V
V B A T C A M _ A V D D _ 2 8 . V
U 7 0 2 R 1 1 1 4 D 2 8 1 D T - R F -
1 3
V D D V O U T
4 2
N C G N D 1
6 5
M M P _ C A M _ P W R _ E N C E G N D 2
6 6 7 7 8 8
- 197 -
9 9 1 1 0 0 1 1 1 1
C A M _ V D D _ A F _ 2 8 . V
2 0 p n i C O N N E C T O R
C 7 0 0
C 7 0 2 C 7 0 3
4 C N 7 0 0
0 1 . u 1 u
1 0 u G 1 G 2
0 6 0 3
3
1 2 0
2 1 9
A C C _ G P 1 5 _ F L P I S E N S E
3 1 8
V D D E _ 1 V 8
4 1 7
V D D G _ 2 V 7 5
5 1 6
K E Y _ L E D 1
6 1 5
M M P _ C A M _ R E S E T _ N K E Y _ L E D 2
7 1 4
R 7 0 4 1 0
M M P _ 2 I C _ S D A V B A T
R 7 0 5 1 0
0 6 0 3
M M P _ 2 I C _ S C L 8 1 3
0 6 0 3
K E Y O U T 1
R 7 0 6 1 0
M M P _ C A M _ V S Y N C 9 1 2
R 7 0 7 0 6 0 3 1 0
M M P _ C A M _ H S Y N C K E Y O U T 2
0 6 0 3
1 0 1 1
M M P _ C A M _ P W D N K E Y O U T 3
A c v i t e H g i h
G 3 G 4
o t M A N I _ K E Y P
0 6 0 3 0 6 1 0 0 p 3 0 6 0 3 0 6 0 3
1 0 p 1 0 p 1 0 p
E Y
K E Y O U T 0
K E Y N I 0
K E Y N I 1
C N 7 0 3
1
2
3
4
F r o A C F c o n n e t c o i n e t t s
T P 7 0 8
M O T O R _ P W R +
T P 7 0 9
V G A _ V D D _ 2 8 . V
T P 7 1 0
S B A I S
T P 7 1 1
L C D L D O _ 2 6 . V W L E D _ P W R
T P 7 2 1
T O U C H _ 3 1 . V
V B A T V D D _ L C D _ 2 6 . V T P 7 2 2
M C I R O S D _ D A T 0
U 7 0 1 R 1 1 1 4 D 2 6 1 D T - R F - T P 7 2 3
I S M D A T
1 3
V D D V O U T
T P 7 2 4
S E N S
4 2
N C G N D 1
6 5 T P 7 2 5
C E G N D 2 G A N I 1
T P 7 2 6
V D D H _ S M B _ 2 V 7 5
9 9 1 1 0 0 1 1 1 1
LGE Internal Use Only
1 1 2 2
_ F e m a e l
M C I 1 P
M C I 1 N
C C O 1
K E Y O U T 4
K E Y N I 0
K E Y N I 1
K E Y N I 2
K E Y N I 3
C C
C B
D D
E E
F F
T P
G G
H H
1 1 2 2