LG KF750 Service Manual page 57

3. TECHNICAL BRIEF
Figure 3-3-2. Audio Interface Detailed Diagram(Veronica)
B 1
V S S B U C K
C 5 1 8 0 1 . u
D 1
0 6 0 3
P B A I S
1 0 V
F 1
I S M V C C I S M V C C
C 5 2 0
J 2
I S M R S T _ N I S M R S T _ n 1 u
H 5
C o l s e o t A B
I S M C L K I S M C L K
H 2
I S M D A T I S M D A T
D 4 T P 5 0 2
S C K 1 2 I S 0 _ C L K
D 3 T P 5 0 3
W S 1 2 I S 0 _ W S
C 2
T P 5 0 4
S D 1 I 2 I S 0 _ U L D
C 1 T P 5 0 5
S D O 1 2 I S 0 _ D L D
E 4
S C K 2 2 I S 1 _ C L K
C 3
W S 2 2 I S 1 _ W S
D 2 T P 5 0 8
S D 2 I 2 I S 1 _ U L D
F 4 T P 5 0 9
S D O 2 2 I S 1 _ D L D
K 8
M C I 1 P
J 8
M C I 1 N
L 8
M C I 2 P
M 9
M C I 2 N
M 1 0
M C I 3 P
C 5 2 2 1 u
H 8
M C I 3 N
K 9
M C I 4 P
C 5 2 3 1 u
L 9
M C I 4 N
M 7
C C O 1
K 7
C C O 2
M 2
S P K R P
M 3
S P K R N
M 4
B E A R P
J 6
B E A R N
K 6
A U X O 1
M 6
A U X O 2
L 1 0
L N I E N I 1
K 1 0
L N I E N I 2
L 5
M D I R
C 5 2 4 4 7 n
J 5
D E C 3
J 4
D E C 4
S W B O O S T
A 4
B O O S T _ S I E N S E +
B 5
B O O S T _ S I E N S - E
C 5
V _ B O O S T
B 3
B O O S T _ S W 1
C 4
B O O S T _ S W 2
B 4
B O O S T _ S W 3
A 3
B O O S T _ F B +
D 5
V S S B O O S T
E 5
LGE Internal Use Only
C 5 1 4 C 5 1 5
1 0 u 0 1 . u
0 6 0 3
R 5 0 7
L o c l a G o r u n d P a l n e 0 0
U s e M u t l p i e l V a i s
M C I 1 P
M C I 1 N
M C I 2 P
M C I 2 N
F M _ R P
F M _ L P
C C O 1
C C O 2
S P K R P
S P K R N
S p e a k r e A m . p
B E A R P
B E A R N
E A R _ R
E A R _ L
M D I R
A C C _ G P 1 3 _ S P K _ A M P _ E N
C 5 3 1 4 7 n
R 5 2 0 1 % 1 0 K
0 6 0 3
S P K R P
C 5 3 2 4 7 n
R 5 2 1 1 % 1 0 K
0 6 0 3
S P K R N
Figure 3-3-3 . Audio Section scheme
- 58 -
U
C 5 1 6
1
C C O 2 V
1 0 u
4
N
6
C
C 8 1 9
2 2 . u
6 0 3
R 6 0 7
H O O K
4 7 K
C 6 0 8
1 0 n
0 6 0 3
C 6 0 9 0 1 . u
M C I 2 P
0 6 0 3
C 6 1 0 0 1 . u F B 6 0 3
M C I 2 N
0 6 0 3
T V _ O U T
R 6 1 0 4 7 0 1 %
M D I R
R 6 1 2 4 7 0 1 %
C 6 1 3 1 0 0
E A R _ L
C 6 1 4 1 0
E A R _ R
V B A T
C 5 2 5
R 5 1 7 1 % 3 9 K
2 2 . u
B E A R P
B Y P A S S G N D
C 1 B 2
_ S H U T D O W N V O - B E A R N
B 1 A 1
N I + V O +
C 2 B 3
N I - V D D
C 3 A 3
U 5 0 0 T P A 6 2 0 5 A 1 Z Q V R
0 6 0 3
A C C _ G P 2 7 _ A M P _ S W _ E N
R 5 2 4 1 % 3 9 K
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R 8 8 8
D I N
8 0 3 R 1 1 1 4 D 1 8 1 D F B 6 0 4
R 8 1 8
3
D D V O U T
2 2 . K
2
C G N D 1
5
E G N D 2 C 8 1 8
1 u
F B 6 0 5
F L 6 0 1 N U F 2 1 1 4 M N
F B 6 0 0
u
1 8 R 8 1 6 4 7
N I 1 O U T 1
2 7
N C 1 N C 4
3 6
N C 2 N C 3 F B 6 0 1
0 u
R 8 1 7 4 7
4 5
N I 2 O U T 2
U 5 0 1 F S A 2 2 6 8 T U M X
R 5 1 8 1 % 1 5 1 0 8
1 B 0 1 A S P K _ R C V +
1 7
1 B 1 S 1
R 5 1 9 1 % 1 5
2 5
2 B 0 2 A S P K _ R C - V
V B A T
3 6
2 B 1 S 2
4 9
G N D V C C
C 5 3 5
1 0 n
0 6 0 3
0 6 0 3