LG KS660 Service Manual page 125

7. CIRCUIT DIAGRAM
1 2
P M C I
A
C
U S B _ O E n
U S B _ D A T _ V P
U S B _ S E 0 _ V M
R 2 1 3 0
B T X O N _ P A
1 V 8 _ S D 2 V 5 _ V A U D B V B A T
V B A T
2 V 5 _ V A U D A 2 V 8 5 _ V F M
B 1
U _ R C V R C V
C 2
U _ P M N I V P N I
D 3
U _ V M N I V M N I
C 1
I S M 1 _ U S B _ D P D +
D 2
I S M 1 _ U S B _ D M - D
P M R S T n
E 3
P M R S T n R E S E T _ N
D 1
R E S E T 2 _ N
E 2
V C X O _ E N S L E E P 1 _ N
E 1
I S M 1 _ B T _ V C X O _ E N S L E E P 2 _ N
R 2 1 8 0
F 2
V A U D O I A
F 1
V D D A U D O I A
G 2
C
V D D A U D O I B
G 1
V A U D O I B
H 2
V A U X
H 1
V D D A U X
C 2 1 4 C 2 1 5 C 2 1 6
1 J
2 2 . u 2 2 . u 1 u S U 1 _ G A T E
2 J
S U 1 _ G N D
H 3
S U 1 _ F B
3 J
S U 1 _ S I E N S E
K 1
V D D S D 2
K 2
S D 2 _ F B
L 2
S D 2 _ F B L
C 2 2 3
0 1 . u 1 0 u C 2 2 9 C 2 3 0 C 2 3 1
C 2 2 1 2 2 . u 0 1 . u 2 2 . u
D
R e m o e t P o w r e O n
V B A T
R 2 2 1
I S
1 K
E U 2 0 2
1 0 0 K
1 3
V D D V O U T
R 2 2 3
4 2
N C G N D 1
R 2 2 4
6 5
R P W R O N _ E N C E G N D 2
1 0 0 K
R 1 1 1 4 D 2 8 1 D T - R F -
C 2 4 9 C 2 5 0
C 2 5 1 C 2 5 2 0 1 . u 2 2 . u
2 2 . u 0 1 . u
F
E N D _ K E Y _ N I
K E Y _
3
R 2 3 3
2 Q 2 0 1
E N D _ K E Y
K T C 4 0 7 5 E
1 0 K
1
K E Y
G
E X T E R N A L R E S E T
2 V 6 2 _ V O I 2 V 1 1 _ R T C
7 8
S 1 _ E X T R S T n A 1 V C C
6 1
S P O W E R _ N I T B 1 Y 1
5 2
_ R E S E T Y 2 B 2
4 3
H G N D A 2
C 2 6 8
U 2 0 7
0 1 . u
N C 7 W Z 0 8 L 8 X
1 2
LGE Internal Use Only
3 4 5
K D R 3 3 1 V
3
V U S B V B A T
V B A T D 2 0 0
2 V 6 2 _ V O I
C 2 0 1
2 2 . u
1 V 3 5 _ V P L L 2 V 6 2 _ V O I
2 0 2 C 2 0 0
V B A T
0 1 . u
2 2 . u
V B A T V B A T
C 2 0 4
1 0 0 u
T P 2 0 1
V
V D D M
V D D
V
V
V D D R F 1 3 _
V
U 2 0 1
V D D I S M
P M B 6 8 2 1
V
V
V
V D D U
V U
V D D
S D 1
S D 1 _
2 V 1 1 _ R T C
M 2 _ R P W R O N
V B I R A T O R
P W R O N
1 2 3
Q 2 0 0
E M X 1 8
6 5 4
C 2 5 3 0 0 . 1 u
3 V 1 _ V B I
R 2 2 7 1 0 0 K
E N D _ K E Y _ N I
U 2 0 3 T P A 6 2 0 5 A 1 Z Q V R
R 2 2 9 5 1 K C 3 A 3
V B I _ N I _ N
- N I V D D
R 2 3 1 5 1 K C 2 B 3
V B I _ N I _ P N I + V O +
B 1 A 1
_ S H U T D O W N V O -
C 1 B 2
R O W 0 B Y P A S S G N D
C 2 5 4 C 2 5 5
1 u
0 0 . 1 u
_ C O L 2
R 2 3 5 1 0 0 K
L D O f r o V B I R A T O R
V B A T
U 2 0 5 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
V B I _ E N C E G N D 2
C 2 6 6
1 u
P M _ N I T
P M R S T n
Q 2 0 2
B
V B I _ P W M
N I
E
K R C 4 0 2 E
3 4 5
6 7 8
V C H G _ O V P
2
S G 3 _ V B U S _ O V P
1
R 2 0 0
R T C _ O U T O N _ O F F 2
2 7 K
R 2 0 2
D I N
2 V 8 _ C O D E C
1 0 u H
L 2 0 0 1 V 3 5 _ C O R E 2 V 7 _ V R F 2 V 8 5 _ V R F 1 V 5 _ V R F 2 V 9 _ V M M E
V B A T 1 V 5 _ V B T 2 V 1 1 _ R T C 2 V 9 _ I S M 2 V 6 5 _ V B T 1 V 8 _ S D
C 1 1
M M E
C 1 0
M E
D 1 0
R F 2
D 1 1
R F 2
E 1 0
R F 3
E 1 1
A F C
F 1 0
R F 1
F 1 1
V V B I
G 1 1
V B I
G 1 0
I S M
H 1 1
A F C
H 1 0
R T C
H 9
M T S
1 J 1
M T S
F B 2 0 1
K 1 1
S D 1
1 J 0
_ F B
L 1 0
F B L
1 0 u C 2 3 2 C 2 3 3 C 2 3 4 C 2 3 5 C 2 3 6 C 2 3 7 C 2 3 8 C 2 3 9 C 2 4 0 C 2 4 1 C 2 4 2
C 2 2 2 2 2 . u 1 u 1 u 1 u 2 2 . u 2 2 . u 2 2 . u 2 2 . u 2 2 . u 2 2 . u 2 2 . u
L C D C o n n e t c r o 1 ( - 6 t i b P a a r e l l / I l ) F
F L 2 0 1 C I V E 1 0 1 8 4 E 0 5 0 R 1 0 1 F R 2 V 8 5 _ V F M
1 9
D F I _ ( D ) 0 N I O U T _ A 1 N I O U T _ B 1
2 8
D F I _ ( D ) 1
N I O U T _ A 2 N I O U T _ B 2
3 7
D F I _ ( D ) 2
N I O U T _ A 3 N I O U T _ B 3
4 6
D F I _ ( D ) 3 N I O U T _ A 4 N I O U T _ B 4
2 V 6 2 _ V O I
F L 2 0 2 C I V E 1 0 1 8 4 E 0 5 0 R 1 0 1 F R
1 9
D F I _ ( D ) 4 N I O U T _ A 1 N I O U T _ B 1
2 8 C N 2 0 1
D F I _ ( D ) 5 N I O U T _ A 2 N I O U T _ B 2
3 7 1 4 0
D F I _ ( D ) 6 N I O U T _ A 3 N I O U T _ B 3
4 6 2 3 9
V B I _ O U T _ P D F I _ ( D ) 7 N I O U T _ A 4 N I O U T _ B 4
3 3 8
4 3 7
V B I _ O U T _ N
5 3 6
6 3 5
7 3 4
8 3 3
C 2 5 6 C 2 5 7
9 3 2
2 2 p 2 2 p
1 0 3 1
F L 2 0 3 C I V E 1 0 1 8 4 E 0 5 0 R 1 0 1 F R 1 1 3 0
1 9 1 2 2 9
D F I _ ( D ) 8 N I O U T _ A 1 N I O U T _ B 1
1 3 2 8
2 8
D F I _ ( D ) 9 N I O U T _ A 2 N I O U T _ B 2
3 7 1 4 2 7
D F I _ D 1 ( ) 0 N I O U T _ A 3 N I O U T _ B 3
1 5 2 6
4 6
D F I _ D 1 ( ) 1 N I O U T _ A 4 N I O U T _ B 4
1 6 2 5
1 7 2 4
1 8 2 3
1 9 2 2
2 0 2 1
F L 2 0 5 C I V E 1 0 1 8 4 E 0 5 0 R 1 0 1 F R
1 9
D F I _ D 1 ( ) 2 N I O U T _ A 1 N I O U T _ B 1
2 8
D F I _ D 1 ( ) 3 N I O U T _ A 2 N I O U T _ B 2
3 V 1 _ V B I 3 7
D F I _ D 1 ( ) 4
N I O U T _ A 3 N I O U T _ B 3
4 6
D F I _ D 1 ( ) 5
N I O U T _ A 4 N I O U T _ B 4
V B I _ N I _ N
2 V 6 2 _ V O I
V B I _ N I _ P
U 2 0 6
N C 7 S Z 3 2 L 6 X
C 2 6 7
D F I _ R E S E T
Y G N D
0 1 . u 4 3
N C B M M _ D F I
5 2
V C C A S G 3 _ D
6 1
C O U T
C 2 6 9
0 1 . u
G N D
6 7 8
- 126 -
9 1 0 1 1
V C H G _ O V P
C H A R G N I G C I
C H G _ D E T
2 V 6 2 _ V O I V C H G V B A T V C H G _ O V P
V B U S _ U S B
U 2 0 0 S I L 9 2 2 1
1 3
P G N D
1
V D C
1 2
V D C _ B Y P
2
V U S B
1 1
B A T
3
_ P P R _ P P R
1 0
U S B _ B Y P
4
_ E O C _ C H G
9
V I D C
5
C H G _ E N _ E N
8
G N D
6
M I N I
7
U I S B
C 2 1 1 C 2 1 2
R 2 1 5
0 1 . u 0 1 . u
1 5 K
B A C K U P B A T
B A T T E R Y C O N N E C T O R
2 V 1 1 _ R T C
V B A T
1 K
R 2 2 0
B A T _ D I
1 0 0 p
C 2 1 7
C N 2 0 0
1
4 2
3
C 2 4 3 C 2 4 4 C 2 4 5 C 2 2 4
4 7 p 2 7 p 1 0 p 2 2 . u
V B A T
S 2 _ V B A T
F L 2 0 0
N F M 2 1 P C 1 0 5 B 1 A 3
1 2
N I O U T
3 4
G 1 G 2
C 2 4 6 C 2 4 7 C 2 4 8
1 0 u 3 9 p 1 0 p
R 2 3 2 1
D F I _ V S Y N C
L C D _ D I
L C D B A C K L G I H T L E D D
M L E D
M L E D 1
M L E D 2
M L E D 3
M L E D 4
M L E D 5
V B A T
F L 2 0 4 C I V E 1 0 1 8 4 E 0 5 0 R 1 0 1 F R
1 9
N I O U T _ A 1 N I O U T _ B 1 D F I _ C D
2 8
N I O U T _ A 2 N I O U T _ B 2 D F I _ C S
3 7
N I O U T _ A 3 N I O U T _ B 3 D F I _ R D
4 6
N I O U T _ A 4 N I O U T _ B 4 D F I _ W R 2 2 . u
U 2 0 4 S C 6 5 4 U L T R T
C 2 5 8
1 2 1 1
N I O U T
2 V 6 2 _ V O I
1 3
B L 1
5 1 4
L C D _ B L _ C T R L S P F I B L 2
1
B L 3
2
B L 4
3
B L 5
6 4
G N D B L 6
R 2 3 8
D F I _ R E S E T
1 K
V A 2 0 0
C 2 6 2
C I V L 0 5 1 8 1 0 0 Y 5 0 0 F R
1 0 0 0 p
C 2 6 3 1 u C 2 6 4 1 u
_ R E S E T
F I _ R E S E T
9 1 0 1 1
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Only for training and service purposes
1 2
A
V B U S _ O V P
B
C 2 1 3
0 1 . u
T E R Y
C
D
E
F
R V I E R
M L E D
M L E D 1
M L E D 2
G
M L E D 3
M L E D 4
M L E D 5
2 2 . u
C 2 6 1
H
1 2