LG GM200 Service Manual page 128

7. CIRCUIT DIAGRAM
1 1 2 2
A A
A N T 5 0 1 A N T 5 0
G R S 3 0 2 2 - - S
E N W Y 0 0
D D
E E
F F
G
G
M o d e P A B A N D T X _ E N B
S a t n d b y 0 X
R X 1 1 0
R X 2 1 0
R X 3 1 0
R X 4 1 0
L B _ T X 1 1
H B _ T X 1 1
H H
X = D o n t ' c a e r
R X , 1 R X , 2 R X , 3 a n d R X 4 a e r b o r a d b a n d e r
G S M 8 5 , 0 G S M 9 0 , 0 D C S 1 8 0 , 0 P C S 1 9 0 0 b a n
1 1 2 2
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Only for training and service purposes
3 3 4 4 5 5
V B A T
2 A N T 5 0 3
R 5 0 1
D I N
L 5 0 2 1 8 n H
C 5 1 0 C 5 1 1 C 5 1 2
0 0 . 1 u 3 9 p 4 7 u
R 5 0 4
R 5 0 5
S W 5 0 1
H 2 2 E - 3 0 0 0
2 4 2
0 6 3 0 1 G N D 1 4 V L O G C I
2 3 3 R 5 0 7
G N D 1 3 V R A M P
2 2 4
G N D 1 2 T X _ E N
2 1 5
U 5 0 2
G N D 1 1 B S 1
2 0 6
G N D 1 0 B S 2
1 9 7
G N D 9 S M R H 0 0 0 5 2 0 1 G N D 2
1 8 8
G N D 8 G N D 3
C 5 2 1 2 2 p 1 7 9
A N T G N D 4
S K Y 7 7 5 3 1
1 8 n H
L 5 0 3
L 5 0 8 2 7 . n H
L 5 0 9 1 2 . n H
L 5 1 0 1 5 . n H
L 5 1 1 3 3 . n H
S 1 B S 2
X X
0 0
0 1
1 1
1 0
0 X
1 X
c e v i e p r o s t a n d e a c h s u p p r o s t h t e
d . s
3 3 4 4 5 5
6 6 7 7 8 8
2 V 7 5 _ V C X O
R 5 0 2 1 0 K
A F C
C
C 5 0 8
0 1 . u
4 7 p C 5 1 4
5 1 C 5 1 3
1 u
5 6 C 5 1 5 2 2 p
1 7
X 5 0 1
1 8
3 4
1 9
D S X 3 2 1 G 2 - 6 M 2 1
2 0
E X X Y 0 2 0 5 2 0 1 2 1
Q N
2 6 M H z
2 2
C 5 1 6
R 5 0 6 1 0 0 o h m
3 9 p 2 3
P A _ B A N D ( G I P O _ 0 7 ) 0
1 K 2 4
T X _ R A M P Q P
R 5 0 8 1 0 0 o h m
P A _ E N ( G I P O _ 0 6 ) 0
R 5 0 9 1 0 0 o h m
A N T _ S W 1 ( G I P O _ 0 6 ) 6
R 5 1 0 1 0 0 o h m
A N T _ S W 2 G ( I P O _ 0 6 ) 5
V L D O 1
R 5 1 1
4 7 p
F L 5 0 1 S A W E N 1 G 8 4 C N 0 F 0 0
4 7
N I _ 1 8 4 2 _ 5 O U T _ 1 8 4 2 _ 5 _ 1
6
O U T _ 1 8 4 2 _ 5 _ 2
9
O U T _ 1 9 6 0 _ 1
1 8
N I _ 1 9 6 0 O U T _ 1 9 6 0 _ 2
2 5
G N D 1 G N D 3
3 1 0
G N D 2 G N D 4
S F S B 0 0 0 1 9 0 2
F L 5 0 2 S A W E N 8 8 1 M C N 0 F 0 0
4 7
N I _ 8 8 1 _ 5 O U T _ 8 8 1 _ 5 _ 1
6
O U T _ 8 8 1 _ 5 _ 2
9
O U T _ 9 4 2 _ 5 _ 1
1 8
N I _ 9 4 2 _ 5 O U T _ 9 4 2 _ 5 _ 2
2 5
G N D 1 G N D 3
3 1 0
G N D 2 G N D 4
S F S B 0 0 0 1 8 0 2
6 6 7 7 8 8
- 129 -
9 9 1 1 0 0 1 1 1 1
C 5 0 1 1 0 0 0 p
2 6 M _ B T
2 6 M
V L D O 1 V B A T 2 V 9 3 _ V E X T
C 5 0 2 C 5 0 3 C 5 0 4
0 1 . u 0 1 . u 0 1 . u
C 5 0 7
C 5 0 5 C 5 0 6
0 1 . u 2 7 p 0 1 . u
5 0 9
2 2 0 n
V L D O 1
V C C _ R E F N C
8
( G I P O _ 0 7 ) 2
V A F C _ N C S E N S _ E N
7
R E F N I B U 5 0 1 S C L K S _ C L K ( G I P O _ 0 7 ) 3
6
R E F N I S D A T A S _ D A T A ( G I P O _ 0 7 ) 4
5
R E F _ O P E U S Y 0 2 8 0 1 0 1 V C C _ B I B
4
Q B B I N I
A D 6 5 4 8 3
Q I C 5 1 7
2
V C C _ B B Q V C C _ F E 3 9 p C 5 1 8 C 5 1 9 C 5 2 0
1
P I 1 0 0 p 1 0 0 p 1 0 0 p
9 9 1 1 0 0 1 1 1 1
1 1 2 2
A A
B B
C C
D D
E E
F F
G G
H H
1 1 2 2
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