LG GM310 Service Manual page 130

8. CIRCUIT DIAGRAM
1 2
S W 1
2 0 2 7 9 0 - 0 1
G 1
G 2
C T R L 1 C T R L 2 C T R L 3 C T R L 4
G S M 8 5 0 _ E G S M T X H H L L
A
D C S _ P C S T X H L L L
W C D M A 8 5 0 L H L H
W C D M A 1 9 0 0 L L L H
W C D M A 2 1 0 0 L L H H
G S M 8 5 0 R X L H H L
E G S M 9 0 0 R X L L H L
D C S 1 8 0 0 R X L H L L
P C S 1 9 0 0 R X L L L L
2
B
1
8
1 0
2 3
2 V 8 5 _ V R F 2 4
C 1 0 4 0 C 1 0 4 1
1 0 0 0 p 0 1 . u
R 1 0 1 0 1 K
A N T _ S E L 2
R 1 0 1 1 1 K
C
R 1 0 1 2 1 K
R 1 0 1 3 1 K
A N T _ S E L 6
2 V 8 5 _ V R F
U 1 0 0 5 N L 2 7 W Z 3 2 U S G
C 1 0 5 3
1 8 1 u
A N T _ S E L 1 A 1 V C C
2 7
A N T _ S E L 4 B 1 Y 1
3 6
Y 2 B 2
A N T _ S E L 3
D
4 5
G N D A 2 A N T _ S E L 5
G S M E / D G E
E
C 1 0 7 5 2 7 p
C 1 0 8 0
D I N
F
W C D M A _ B C 1 2 ( 1 . G )
G
C 1 1 0 4 1 8 p
C 1 1 0 9
D I N
H
W C D M A _ B C 5 8 / 8 ( 5 0 M 9 / 0 0 M )
1 2
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 4 5
0 0 1
E 0 - 1
S W 1 0 0 2 G R S 3 0 2 2 - S H - 2 2 E - 3 0 0 0
C 1 0 0 2 2 2 p
C 1 0 0 1 1 8 . n H
A N T G 1
A N T R F
G 2
C 1 0 1 1
C 1 0 0 3 L 1 0 0 1
D I N 0 7 . 5 p
1 8 n H
C 1 0 1 2 2 2 . p
L 1 0 0 3
1 8 n H
G S M 8 5 0
C 1 0 2 3 2 2 . p
C 1 0 2 6 2 2 . p
L 1 0 0 4
1 8 n H
F L 1 0 0 1 E G S M
D 5 0 1 7
1 8 C 1 0 3 2 2 2 . p
P C S _ R X 1
1 9
P C S _ R X 2
1 6
A N T P C N _ R X 1
1 7 C 1 0 3 6 2 2 . p
P C N _ R X 2
1 4
G N D 1 E G S M _ R X 1
1 5
L 1 0 0 5
G N D 2 E G S M _ R X 2
4 7 . n H
G N D 3 D C S
1 2
G N D 4 G S M 8 5 0 _ R X 1
1 3 C 1 0 3 7 2 2 . p
G N D 5 G S M 8 5 0 _ R X 2
2 0
W C D M A _ 2 1 0 0
2 1
W C D M A _ 8 5 0
2 2
C 1 0 3 9 2 2 . p
W C D M A _ 1 9 0 0
9
P C N _ P C S _ T X
G S M _ P A O U T _ H B
1 1 L 1 0 0 6
G S M 8 5 0 _ E G S M _ T X
G S M _ P A O U T _ L B
5 1 . n H
P C S
C 1 0 4 2 2 2 . p
V B A T
C 1 0 4 4 C 1 0 5
3 3 u 2 7 p
P G N D G S M 8 5 0 _ 9 0 0 _ N I
1 5 7
G N D 3 T X _ E N
8 6
G N D 2
1 1 R 1 0 1 4 1 0 K
G N D 1 V R A M P
C 1 0 5 2 1 2 p U 1 0 0 3
1 4 5
G S M _ P A O U T _ L B
B Y _ C A P 2 T Q M 7 M 5 0 0 5 V B A T T
C 1 0 5 4 C 1 0 5 5 9 4
D I N
3 9 n H B Y _ C A P 1 B S
1 3 3
G S M 8 5 0 _ 9 0 0 _ O U T M O D E _ S E L E C T
1 0 2
C 1 0 5 6 3 3 . p
G S M _ P A O U T _ H B D C S _ P C S _ O U T D C S _ P C S _ N I
1 2 1
C 1 0 5 8 C 1 0 5 9 C 1 0 6 2
2 2 n H 6 8 . n H C 1 0 6 1 4 7 p
C 1 0 6 0
0 0 . 1 u 0 0 . 1 u
P n i 1 1 o t P n i 4 L n i e e l n g h t >
F L 1 0 0 4 B 7 6 4 6
A N T R X
C 1 0 7 7 1 5 . n H C 1 0 7 8 6 8 p
T X R F O U T I _ M T V E
C 1 0 7 6 8
G N D 1 R F
4 7 . n H 9
G N D 1 G N D 6 G N D 2 V M
1 0
G N D 2 G N D 5 V C C A
1 1
G N D 3 G N D 4 V C C V M
1 2
R F O U T _ C E L L R F N I
1 3
G N D 3 V E N
1 4
C 1 0 8 6 C 1 0 8 7 C 1 0 8 8 P G N D
1 p 1 5
1 5 . p 1 0 0 0 p
A W T 6 2 2 2 R
B C 1 + 5 : A W T 6 2
B C 1 + 8 : A W T 6 2
2 V 8 5 _ V R F
C 1 0 9 3 6 8 p
L 1 0 9 0
4 7 n H
C 1 0 7 2
0 1 . u
C 1 0 6 6 1 0 p
6
C 1 0 6 9 L 1 0 0 8 R F N I M U 6 0
D I N 2 7 . n H
7
R F N I H
B G A 7 3
8
R F G N D M 1
C 1 0 7 4
9
2 2 p R F G N D M 2
F L 1 0 0 7
C 1 0 9 5 3 p
A N T R X
C 1 1 0 6 1 0 p
T X C 1 0 9 8 L 1 0 1 6
C 1 1 0 5
D I N 9 1 . n H
3 3 n H
G N D 1 G N D 6 C 1 1 1 5
C 1 1 0 7
G N D 2 G N D 5 D I N
8 2 . n H
G N D 3 G N D 4
C 1 1 0 3
B 7 6 3 8
2 2 p
B C 5 : B 7 6 3 8
B C 8 : B 7 6 6 7
3 4 5
6 7 8
1 V 8 _ S D
2 V 8 5 _ V R F 2 V 8 5 _ V R F 2 V 8 5 _ V R F 2 V 8 5 _ V R F
2 V 8 5 _ V F M
2 V 8 5 _ V
U 1 0 0 1
1 5
A V C C
B T _ V C X O _ E N
C 1 0 1 0
2
P M _ V C X O _ E N B 0 1 . u
3 4
G N D Y
R 1 0 0 4 R 1 0 0 5 N L 1 7 S Z 3 2 X V 5 T 2
1 0 0 K 1 0 0 K C
0
C 1 0 3 3
0 1 . u
C 1 0 3 4 C 1 0 3 5
3 3 . p 2 2 0 n
E 1 1
R X N I H
3 G _ R X _ B C 1 F 1 1
3 G _ R X _ B C 1 X R X N I H X
G 1 1
R X N I M
H 1 1
R X N I M X
C 1 1
R X N I L
3 G _ R X _ B C 5 _ 8
D 1 1
R X N I L X
3 G _ R X _ B C 5 _ 8 X
L 5
T X O U T H
3 G _ T X _ B C 1
L 6
3 G _ T X _ B C 1 X T X O U T H X
L 9
T X O U T M
L 1 0
T X O U T M X
L 3
T X O U T L
3 G _ T X _ B C 5 _ 8
L 4
T X O U T L X
3 G _ T X _ B C 5 _ 8 X
A 6
R I X
3 G _ R X _ P I
C 6
R X X I
3 G _ R X _ N I A 4
3 G _ R X _ Q P R X Q
A 5
3 G _ R X _ Q N R X Q X
K 1 0
3 G _ T X _ P I T I X
J 9
T X X I
3 G _ T X _ N I
L 2
T X Q
3 G _ T X _ Q P
K 1
3 G _ T X _ Q N T X Q X
K 9
2 G _ P I I
J 8
2 G _ N I X I
H 7
Q
2 G _ Q P
H 8
0 C 1 0 5 1 Q X
2 G _ Q N
H 1
6 p R X 1
J 1
R X 1 X
F 1
R X 2
G 1
R X 2 X
D 1
R X 3
E 1
T X O N _ P A R X 3 X
B 1
R X 4
C 1
R X 4 X
P A _ L E V E L R 1 0 2 0 0
L 7
T X 1
R 1 0 2 1 0 L 8
T X 2
2 G _ B S
P A _ M O D E
V B A T
1 5 m m
D I N D I N
C 1 0 8 5 C 1 0 8 1
N I _ M T
3 G _ P A E N _ B C 1 C 1 0 7 9 4 7 p
7
N I I _ M T
6
O D E 2 F 1 L 0 0 6 L 1 0 1 7 1 5 n H
S A E F B 8 3 6 M F L 0 F 0 0
5
V B A T T
4
2 3
O D E 1 3 G _ P A _ M O D E 1 C 1 1 0 8 1 0 0 p
3 1 G 1 O 1 C 1 1 1 2
_ C E L L N I
2 G 2 O 2 3 3 n H
_ C E L L
3 G _ P A E N _ B C 5 _ 8 L 1 0 1 9 1 5 n H
1 5 4
C 1 1 1 1
C 1 1 1 0
C 1 0 8 9 D I N
U 1 0 0 7 C 1 0 9 0 C 1 0 9 1 C 1 0 9 2 N A
6 8 p 1 0 u 1 0 p 1 0 p
2 2
2 4 B C 5 : S A F E B 8 3 6 M F L 0 F 0 0
B C 8 : S A F E A 8 9 7 M F L 0 F 0 0
S A F E B 2 G 1 4 F A 0 F 0 0
C
F L 1 0 0 2
2 3
C 1 0 6 7 4 7 p 1 G 1 O 1 L 1 0 0 7
N I 4 7 . n H
G 2 O 2
5 4
C 1 0 7 0 C 1 0 7 1
C
D I N D I N
1 7
6 P G N D
1 6
R F O U T M
5
S A F E B 8 8 1 M F L 0 F 5 5
1 5
F L 1 0 0 5
R F O U T H
2 3
1 0 0 p
1 4 C 1 0 9 6 4 7 p 1 G 1 O 1 L 1 0 1 4
R F O U T L
N I 1 5 n H
G 2 O 2
L 1 0 1 5 5 4
C 1 0 9 9 C 1 1 0 0
D I N D I N
B C 5 : S A F E B 8 8 1 M F L 0 F 5 5
B C 8 : S A F E B 9 4 2 M F M 0 F 0 0
R 1 0 1 9
2 7 K
6 7 8
- 131 -
9 1 0 1 1
2 V 8 5 _ V R F 2 V 8 5 _ V R F
R 1 0 0 1 2 2 K
2 V 8 5 _ V R F 2 V 8 5 _ V R F
F B 1 0 0 1
R 1 0 0 2
R 1 0 0 3 1 0 K
R F
C 1 0 0 4 1 0
C 1 0 0 5 C 1 0 0 6
0 0 . 1 u C 1 0 0 9 0 1 . u 0 0 . 1 u
0 1 . u
2 V 8 5 _ V R F
L 1 0 0 2 2 7 0 n H
C 1 0 1 8 C 1 0 1 9
1 V 5 _ V R F
1 0 2 0 0 0 . 1 u 0 1 . u C 1 0 2 1
R 1 0 0 6
1 . u 2 2 . u
C 1 0 2 2 1 0 0 0 p 1 K
5
R 1 0 0 8
4 7 . V C C
R 1 0 0 7 2 4
F S Y S O U T 1
G N D
0
3
C 1 0 2 8 C 1 0 2 9 C 1 0 3 0 C 1 0 3 1
0 1 . u 1 0 0 p 0 1 . u 1 u
R 1 0 0 9 1 0 0 K
2 V 8 5 _ V R F
U 1 0 0 2
N L 1 7 S Z 1 4 D F T 2
K 4
T X H S M O D E
H 5
T X G C 3 G _ V G C _ T X
K 3
T X E N
J 1 1
L D 3 G _ L D
C 3
M A S T E R O N
3 G _ M A S T E R O N
A 8 C 1 0 3 8 1 0 0 0 p
F S Y S N I _ 3 G
D 2
E N P G C
B 2
D A P G C
C 2
C L K P G C
E 3
E N 3 G _ E N
A 2
D A
3 G _ D A T A
B 3
C L K
3 G _ C L K
U 1 0 0 4 F 8
R X B A N D 1
E 1 0 3 G _ L N A _ C T R L _ B C 5 _ 8
P M B 6 9 5 2
R X B A N D 2 3 G _ L N A _ G A N I _ C T R L
D 1 0
R X B A N D 3 3 G _ L N A _ C T R L _ B C 1
H 1 0
T X B A N D 1 3 G _ P A E N _ B C 5 _ 8
G 1 0
T X B A N D 2
F 1 0
T X B A N D 3
3 G _ P A E N _ B C 1
C 1 0 4 3 4 7 p
A 9
F S Y S O U T 1 F S Y S O U T 1
C 9
F S Y S O U T 2
D 9
F S Y S O U T 3
C 1 0 4 5 1 0 0 0 p
B 1 0
F S Y S N I _ P M
C 7
E N _ P M
H 9 2 G _ E N
D A _ P M 2 G _ D A T A
G 9
C L K _ P M 2 G _ C L K
K 2
F E 1 2 G _ B S
H 3 2 V 8 5 _ V
F E 2
J 4
V B A I S
C 5
V C O _ R C
R
R 1 0 1 5
8 2 0
D S A 3 2 1 S A _ 2 6 M H Z X 1 0 0 1
3 4
O U T V D D
R 1 0 1 7 1 0 K
2 1
G N D V C O N T
2 6 M H z
C 1 0 5 7
0 0 . 1 u
C 1 0 6 4
1 u
2 V 8 5 _ V R F 2
3 G _ T X _ B C 1
3 G _ T X _ B C 1 X
L 1 0 1 0 2 2 n H
F L 1 0 0 3 L 1 0 0 9 3 9 . n H
S A F E B 1 G 5 9 F L 0 F 0 0
1 3
O U T N I 1 L 1 0 1 2
L 1 0 1 8 2 2 n H C 1 0 8 2
5 1 . n H C 1 0
D I N
2 4 L 1 0 1 3 2 2 n H
G 1 N I 2 L 1 0 1 1 3 9 . n H 0 1 .
5
L 1 0 2 0 G 2
C 1 1 1 3 C 1 1 1 4
N A
L 1 0 2 1 2 2 n H 0 1 . u 4 p
3 G _ T X _ B C 5 _ 8
3 G _ T X _ B C 5 _ 8 X
1 0 6 5 6 8 . p
3 G _ R X _ B C 1
3 G _ R X _ B C 1 X
1 0 6 8 6 8 . p
C 1 0 9 4 6 8 . n H
3 G _ R X _ B C 5 _ 8
C 1 0 9 7 6 8 . n H
3 G _ R X _ B C 5 _ 8 X
9 1 0 1 1
1 2
R F _ T E M P
A
2 6 M H Z
B T _ C L K
B
C
R F
1 0 1 6
2 0
D
A F C
C 1 0 6 3
0 1 . u
V 8 5 _ V R F
E
8 3 C 1 0 8 4
u 4 p
F
G
H
:
1 2
LGE Internal Use Only