LG KS660 Service Manual page 127

7. CIRCUIT DIAGRAM
1 2
A
B
G N D 4 0 1 A N T 4 0 0
1 1
C
D
E
F
G
H
1 2
LGE Internal Use Only
3 4 5
G S M 8 5 0 / 9 0 0 _ T X
G S M 1 8 0 0 / 1 9 0 0 _
G S M 8 5 0 / 9 0 0 _ R X
G S M 1 8 0 0 / 1 9 0 0 _
F L 4 0 0
C 4 0 3
L 4 0 0 M M 8 1 3 0 2 - 6 0 0 1 0 0 p
S W 4 0 0
G 4 G 3
A N T
N I O U T
G 1 G 2 1 7
1 5 . n H
C 4 0 5 L 4 0 7 C 4 0 7
D I N D I N
N A
G S M 8 5 0 G S M 9 0 0
2 V 8 5 _ V R F 2 V 8 5 _ V R F
1 V 5 _ V R F
C 4 1 2 C 4 1 3 C 4 1 4
C 4 1 5
4 7 . p 4 7 . p
4 7 . p
4 7 . p
C 4 2 2 C 4 2 3
0 1 . u 4 7 . n
L 4 0 4
L 4 0 3
1 5 n H 1 8 n H
F E 2
3 3
V B A I S
3 4
V D D T X 1 V 5
3 5
L B A N D _ P A M _ N I T X 1
U 4 0
3 6
H B A N D _ P A M _ N I T X 2
P M B 6
3 7
V D D T X 2 V 8
3 8
V D D M X I 2 V 8
3 9
C 4 3 7 R 4 0 8 G N D 3
4 0
1 0
0 2 . 2 u
G N D 4
4 1
1 V 5 _ V R F 2 V 8 5 _ V R F
R 4 0 9
1 0
C 4 3 8 C 4 3 9
2 2 0 n 0 1 . u
3 4 5
6 7 8
2 V 8 5 _ V R F
V C 1 F ( E ) 1 V C 2 F ( E ) 2
H L
T X L H
L L C 4 0 0
R X L L 1 0 0 0 p
R 4 0 0
1 0 0 o h m Y 2 A 2 F E 1
V C C G N D
R 4 0 1
1 0 0 o h m
Y 1 A 1 F E 2
C 4 0 1 C 4 0 2
1 0 0 p 1 0 0 p
N C 7 W V 1 6 P 6 X U 4 0 0
L M S P 4 3 N A 7 - 8 2
L 4 0 1
1 2
D C
C 4 0 8 1 8 . n H C 4 0 9
1 0
D I N 1 2 . p G S
1 3
B Y
9
B Y
D C S 1 8 0 0 P C S 1 9 0 0
L 4 0 2
1 4
G N
1 1
G N
5 6 . n H
8
C 4 1 0 C 4 1 1 G N
C 4 1 6 C 4 1 7 C 4 1 8 C 4 1 9
D I N 1 5 . p
2 2 . p 2 2 . p 1 8 . p 1 8 . p 1 5
C 4 2 0 C 4 2 1 P G
0 0 . 1 u 0 0 . 1 u
L 4 0 5
L 4 0 6
5 1 . n H 4 7 . n H
2 V 8 5 _ V R F 2 V 8 5 _ V R F
1 V 5 _ V R F
C 4 3 1 C 4 3 2 C 4 3 3
0 1 . u 0 1 . u 0 1 . u
C 4 3 4
0 1 . u
V D D R X 2 V 8
2 0 C 4 3 5
V D D R X 1 V 5
2
1 9 R 4 0 7 4 7 n
V C O _ R C
2 7 2
1 8 8 2 0
V D D V C O 2 V 8
1 7
E N
1 6
V D O
D X 2 V 8
1 5
F S Y S 1
1 4
G N D 1
1 3
X 4 0 0 N X 3 2 2 5 S A
4
3
G N D 2 H O T 2
1 2
H O T 1 G N D 1
2 6 M H z
I S M 1 _ B T _ C L K
2 6 M _ O U T _ T E S T
R F C K
_ L
R F _ D A
Q X
Q
X I
I
6 7 8
- 128 -
9 1 0 1 1
V B A T
T Q M 7 M 5 0 0 5 U 4 0 1
R 4 0 4
1
S _ P C S _ O U T D C S _ P C S _ N I H B A N D _ P A M _ N I
1 0 0 p
2
M 8 5 0 _ 9 0 0 _ O U T M O D E _ S E L E C T P A _ M O D E
3
_ C A P 1 B S S 1 _ P A _ B A N D
4
_ C A P 2 V B A T T
5
D 1 V R A M P P A _ L E V E L
R 4 0 5 1 0 K
D 2
6
D 3 T X _ E N T X O N _ P A
R 4 0 6
7
N D G S M 8 5 0 _ 9 0 0 _ N I L B A N D _ P A M _ N I
1 0 0 p
C 4 2 6 C 4 2 4 C 4 2 7 C 4 2 8 C 4 2 9 C 4 2 5 C 4 3 0
1 u 3 3 u 2 7 p 1 0 0 p 1 0 0 p 4 7 p 1 0 0 p
R F _ E N
C 4 3 6
2 6 M H Z _ M C L K
1 0 0 0 p
R 4 1 0 2 2 K
S 1 _ R F _ T E M P
P T 4 0 0
1 0 K
9 1 0 1 1
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Only for training and service purposes
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A
B
C
D
E
F
G
H
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