LG KF750 Service Manual page 191

7. CIRCUIT DIAGRAM
V C C _ P A
C 2 0 0
0 0 . 1 u
W T X _ B A N D _ 1 _ E N
W P A _ B A I S C 2 0 3
C 2 0 4 1 0 0 0 p
C 2 0 6 1 0 p
U 2 0 0 S K Y 7 7 1 7 4
2 2 p
1 1 1
V C C 1 P G N D
2 1 0
E N A B L E V C C 2
3 9
V C O N T R O L G N D 3
C 2 0 7
4 8
W T X M O D _ B A N D I _ R F _ N I R F _ O U T
5 6 p
7
G N D 2
C 2 1 0 C 2 0 9
5 6
D I N D I N V B A I S G N D 1
V B A T
C 2 1 3
D I N
5 2
C 2 1 8
G 2 G 1
W T X M O D _ B A N D I _
O U T N I
4 G 3 1
5 6 p
S A F E B 1 G 9 5 K A 0 F 0 0 3 F L 2 0 1
C 2 2 0
D I N
W P A
W P
V R A D A _ 2 V 8
C 2 2 3
D I N
W T X _ _ I P
W T X _ _ I N
W T X _ Q _ P
W T X _ Q _ N
T P 2 0 0 T P 2 0 1 T P 2 0 2 T P 2 0 3
LGE Internal Use Only
C 2 0 5
1 0 0 0 p
S I 2 0 0 C E S 2 0 1 G 9 5 D C
L 2 0 0 L D C 1 8 1 G 9 5 1 9 B 3 - 2 7
1 n H N 2 0 0
G N D 1 G N D 2
1 6
N I M _ O U T N I O U T
G N D 3 G N D 4
2 5
G N D 1 G N D 2
8 2 . n H
C 2 1 1
L 2 0 2 3 4
D I N C _ O U T T E R M N I A T E
W P O W _ S E N S E
C 2 1 7
C 2 1 6
D I N
5 6 p
F L 2 0 0 S A F E B 2 G 1 4 F A 0 F 0 0
V R A D A _ 2 V 8
V R A D A _ 2 V 8
C 2 2 1 C 2 2 2
D I N D I N
_ B A I S
A _ V C C
V I D G R A D _ 1 V 8 V R A D A _ 2 V 8
1 3 0
N C 9
G N D T X
2 2 9
N C 1 L N A 1 _ O U T
3 2 8
N C 2 N C 8
4 2 7 C 2 2 4
U 2 0 3
T X _ 1 L N A 1 _ N I
5 2 6
N C 3 N C 7
6 2 5
V C C L O T X N C 6
7 2 4
V C C L O R X
T X A I
8 2 3
R F 3 1 0 0 _ O M 6 1 9 5 H N
T X B I N C 5
9 2 2
T X Q A V D D
1 0 2 1
T X Q B T S T
C 2 2 7 C 2 2 8
D I N D I N
T P 2 0 4
R 2 0 5
W R X _ Q _ N
R F _ C T R L _ D A T A 2 2 0
R 2 0 6
R F _ C T R L _ C L K W R X _ Q _ P
2 2 0
R F _ C T R L _ S T R B
R 2 0 7
W R X _ _ I N
C 2 2 9 8 2 . p
W C L K 2 2 0
R 2 0 8
W R X _ _ I P
2 2 0
V B A T
C 2 0 1 C 2 0 2
1 0 u 0 0 . 1 u
W P A _ V C C
B 0 0 0
C 2 0 8
D I N
W T X _ B A N D _ 1
W D C D C _ E N
V R A D A _ 2 V
W P O W _ S E N S E
5 6 . p C 2 2 5
W R X _ B A N D _ 1
5 6 p
2 2 p
L 2 0 4 C 2 2 6
4 7 . n H
L 2 0 5
N A
F L 2 0 2 S A Y Z Y 1 G 9 5 E
2 7
A N T R X
5
T X
1 3
G N D 1 G N D 6
4 6
G N D 2 G N D 5
8 9
G N D 3 G N D 4
- 192 -
V C C _ P A
U 2 0 1
L M 3 2 0 8 T L
B 1 A 2
V D D S W
A 1
P V N I
C 3
F B
C 2
V C O N C 2 1 2
B 3
S G N D 4 7 . u
C 1 A 3
E N P G N D
8
C 2 1 4 C 2 1 5
0 1 . u 1 0 p
U 2 0 2 L M V 2 2 1
1 6 R 2 0 1
V D D O U T W P O W _ D E T
1 K
R 2 0 2
2 5
R F _ N I R E F
2 2 0
3 4
G N D E N C 2 1 9
3 3 n F
W P O W _ D E T _ E N
W R F _ B A N D _ 1
B 0 B 0 0
W R X _ B A N D _ 1
W T X _ B A N D _ 1
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