Circuit Diagram - LG GM310 Service Manual

8. CIRCUIT DIAGRAM

1 2
B A S E B A N D P R O C E S S O
A
V B A T
F 3
B A T _ D I M
G 4
R F _ T E M P M
E 2
M
D 1
R 1 0 1 M
J A C K _ T Y P E
F 4
3 9 0 K M
1 ( % ) E 3
M
D 3
M
E 4
M
B D 2
M
D 4
M
F 5
R 1 0 2 R 1 0 3 P C B _ V E R S O I N M
1 0 0 K 2 4 0 0 0 o h m
1 ( % ) P 4
1 ( % ) P
M 8
P A _ L E V E L P
L 5
2 G _ P I B
M 5
B
2 G _ N I
R 1 0 3 R E V S I O I N M 4
B
2 G _ Q P
P 5
B
2 4 K o h m 2 G _ Q N
A D 1 5
3 G _ R X _ P I A
A E 1 6
3 G _ R X _ N I A
A D 1 7
3 G _ R X _ Q P A
A E 1 7
3 G _ R X _ Q N A
A E 1 3
A
3 G _ T X _ P I
A D 1 3
A
3 G _ T X _ N I
A E 1 4
A
3 G _ T X _ Q P A D 1 4
3 G _ T X _ Q N A
A D 1 1
C
3 G _ V G C _ T X A
A E 1 1
A
A E 1 2
A
R 1 0 4 2 2 K A D 1 2
A
1 ( % )
Y 8
T X O N _ P A T
A B 7
T
V 9
T
A N T _ S E L 1
A A 8
T
L C D _ B L _ C T R L
W 9
T
_ E O C
V 8
T
M M C _ D E T E C T
A B 3
P A _ M O D E T
A B 4
A N T _ S E L 2 T
W 8
A N T _ S E L 3 T
A C 1
D S R T
A B 5
T
J A C K _ D E T E C T
A B 1
T
T A _ D E T E C T
A A 3
T
C H G _ E N A A 1
2 G _ E N R
A C 3
_ P P R R
D 1 V 8 _ S D W 5
2 G _ D A T A R
W 7
R
2 G _ C L K
W 6
A
E 8
C
D 7
2 6 M H Z F
A 6
C
W 1 0
C 1 3 4
T O U C H _ R E S E T M
A B 6
U 1 0 1 N C 7 S Z 7 4 L 8 X M
0 1 . u S D A _ T O U C H
1 8 A B 9
_ P R V C C M
S C L _ T O U C H
Y 1 1
M
2 7 T C C _ M M C _ D E T E C T V 1 0
_ C L R C K M
C A M _ L D O _ E N A A 9
T O U C H _ W A K E U P M
3 6 A B 1 7
A F C Q D T O U C H _ N I T M
A A 1 7
M O T O R _ E N M
4 5 V 1 4
G N D _ Q M
F 9
F
R P W R O N _ D B B
W 1 7
R I
U S B _ O E n
A B 1 9
S L D I E _ D E T E C T R I
Y 5
J
E Y 3
J
Y 6
J
A A 5
J
V 7
J
V 4
J
A D 2
2 V 6 2 _ V O I
J
A E 5
2 V 6 2 _ V O I
J
A E 4
J
A E 2
J
A E 6
J
T P 1 1 1 A 4
R 1 0 9
R 1 1 0 A _ R E S E T R
A 5
B
1 K 1 K A 3
B
A A 7
T
T R G I _ N I
Y 7
M
Y 9
M
R 1 1 2 D 1 6
R 1 1 1 T
G 9
D I N T
1 0 K G 1 0
P
F H 1 0
P
D 1 3
P
D 1 2
T
E 1 0
T
B 7
T
D 9
T
D 1 1
T
G 7
T
E 9
T
D 8
T
H 1 9
B F C L K O E
A D 9
E
_ W R
J 1 9
E
_ W A T I
A D 8
E
A D V _ A 1 5
A E 7
E
_ C S 3
A E 8
_ R D E
G
H
1 2
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 4 5
2 V 6 2 _ V O I 2 V 1 1 _ R T C 2 V 5 _ V A U D B
1 V
1 V 8 _ S D 2 V 9 _ V I S M 1 V 3 5 _ V P L L 2 V 5 _ V A U D A
R
2 V 6 2 _ V O I
V R E F N
0
1
2
3
4
5
6
7
8
9
1 0
A O U T 1 _ 1
A O U T 1 _ 2
B I _
B _ X I
B _ Q
B _ Q X
R X P I _
R X N I _
R X P _ Q
R X N _ Q
T X P I _
T X N I _
T X P _ Q
T X N _ Q
T X _ V G A _ D A C
T X _ P A _ D A C
T X _ P A _ A D C
R I E F
_ O U T 0
_ O U T 1
_ O U T 2
_ O U T 3
_ O U T 4
_ O U T 5
_ O U T 6
_ O U T 7
_ O U T 8
_ O U T 9
_ O U T 1 0
_ N I 0
_ N I 1
F _ S T R 0
F _ S T R 1
U 1 0 3
F _ D A T A
F _ C L K
F C
P M B 8 8 6 8
L K O U T 0
2 6 M
L K 2 6 M
M C 1 I _ C M D
M C 1 I _ D A [ T ] 0
M C 1 I _ C L K
M C 1 I _ D A [ T ] 1
M C 1 I _ D A [ T ] 2
M C 1 I _ D A [ T ] 3
M C 2 I _ C M D
M C 2 I _ D A [ T ] 0
M C 2 I _ C L K
W P
D A _ T X
D A _ R X
T A G 0 _ T D O
T A G 0 _ T I D
T A G 0 _ T M S
T A G 0 _ T C K
T A G 0 _ T R S T _ N
T A G 0 _ R T C K
T A G 1 _ T I D
T A G 1 _ T R S T _ N
T S G 1 _ T M S
T A G 1 _ T D O
T A G 1 _ R T C K
S T _ N
O O T _ C F G [ ] 0
O O T _ C F G [ ] 1
R G I _ N I
O N 1
O N 2
R A C E S Y N C
R A C E C L K
P I E S T A [ T ] 2
P I E S T A [ T ] 1
P I E S T A [ T ] 0
R A C E P K [ T ] 0
R A C E P K [ T ] 1
R A C E P K [ T ] 2
R A C E P K [ T ] 3
R A C E P K [ T ] 4
R A C E P K [ T ] 5
R A C E P K [ T ] 6
R A C E P K [ T ] 7
S F I _ C L K
S F I _ W R N
S F I _ W A T I N
S F I _ A D V N
S F I _ C S N
S F I _ R D N
C 1 4 2
3 9 p
C 1 4 3
3 9 p C 1 4
G 2 G 2
1 0 1 0
G 1 G 1
5 5
3 9
L 1 0 1 L 1 0 2
1 0 0 n H 1 0 0 n H L 1
1 0
C 1 4 6 C 1 4 7
3 9 p 3 9 p
3 4 5
6 7 8
2 V 5 _ V A U D B 1 V 3 5 _ C O R E 2 V 6 2 _ V O I
3 5 _ C O R E
1 V 3 5 _ V P L L 1 V 8 _ S D
A D D 0 ( 2 :
G 1 5
M E M _ [ A ] 0 A D ( D ) 0
E 1 6
M E M _ [ A ] 1 A D ( D ) 1
G 1 6
M E M _ [ A ] 2 A D ( D ) 2
F 1 4
M E M _ [ A ] 3 A D ( D ) 3
E 1 5
M E M _ [ A ] 4 A D ( D ) 4
F 1 6
M E M _ [ A ] 5 A D ( D ) 5
G 1 4
M E M _ [ A ] 6 A D ( D ) 6
E 1 4
M E M _ [ A ] 7 A D ( D ) 7
E 1 3
M E M _ [ A ] 8 A D ( D ) 8
F 1 3
M E M _ [ A ] 9 A D ( D ) 9
G 1 3
M E M _ A 1 [ ] 0 A D D 1 ( ) 0
E 1 1
M E M _ A 1 [ ] 1 A D D 1 ( ) 1
E 1 2
M E M _ A 1 [ ] 2 A D D 1 ( ) 2
G 1 2
M E M _ A 1 [ ] 3 A D D 1 ( ) 3
G 1 1
M E M _ A 1 [ ] 4 A D D 1 ( ) 4
F 1 1
M E M _ A 1 [ ] 5 A D D 1 ( ) 5
J 1 8
M E M _ A 1 [ ] 6
A D D 1 ( ) 6
L 1 5
M E M _ A 1 [ ] 7 A D D 1 ( ) 7
H 1 8
M E M _ A 1 [ ] 8 A D D 1 ( ) 8
F 1 9
M E M _ A 1 [ ] 9 A D D 1 ( ) 9
J 1 5
M E M _ A 2 [ ] 0 A D D 2 ( ) 0
G 1 8
M E M _ A 2 [ ] 1 A D D 2 ( ) 1
K 1 6
A D D 2 ( ) 2
M E M _ A 2 [ ] 2
D 1 9
M E M _ A 2 [ ] 3 A D D 2 ( ) 3
K 1 5
M E M _ A 2 [ ] 4 A D D 2 ( ) 4
H 1 6
M E M _ A 2 [ ] 5 A D D 2 ( ) 5
J 1 6
M E M _ A 2 [ ] 6 A D D 2 ( ) 6 D A
N 1 9
D A T ( A ) 0
M E M _ A [ D ] 0
N 1 8
D A T ( A ) 1
M E M _ A [ D ] 1
T 1 5
M E M _ A [ D ] 2 D A T ( A ) 2
R 1 9
M E M _ A [ D ] 3 D A T ( A ) 3
N 1 7 D A T ( A ) 4
M E M _ A [ D ] 4
M 1 9
D A T ( A ) 5
M E M _ A [ D ] 5
M 1 8
D A T ( A ) 6
M E M _ A [ D ] 6
M 1 7
M E M _ A [ D ] 7 D A T ( A ) 7
T 1 8
M E M _ A [ D ] 8 D A T ( A ) 8
R 1 8
M E M _ A [ D ] 9 D A T ( A ) 9
R 1 6
M E M _ A D 1 [ ] 0 D T A A 1 ( ) 0
P 1 6 D T A A 1 ( ) 1
M E M _ A D 1 [ ] 1
L 1 8
D A T A 1 ( ) 2
M E M _ A D 1 [ ] 2
M 1 5
D A T A 1 ( ) 3
M E M _ A D 1 [ ] 3
P 1 8
D A T A 1 ( ) 4
M E M _ A D 1 [ ] 4
L 1 6
M E M _ A D 1 [ ] 5 D A T A 1 ( ) 5
K 1 8
M E M _ C S 0 _ N
L 1 7 _ N A N D _ C S
M E M _ C S 1 _ N _ R A M _ C S
M 1 6
M E M _ C S 2 _ N T C C _ C S 2
N 1 5
M E M _ C S 3 _ N _ C S 3
G 1 7
M E M _ C S A 0 _ N
A D D 2 ( ) 7
H 1 5
M E M _ C S A 1 _ N
A D D 2 ( ) 8
H 1 4
M E M _ C S A 2 _ N A D D 2 ( ) 9
H 1 3
M E M _ C S A 3 _ N A D D 3 ( ) 0
H 9
F C D P _ R B N F C D P
Y 1 9
M E M _ W A T I _ N
P 1 7
M E M _ A D V _ N
A D V _ A 1 5
Y 1 8
M E M _ R D _ N
K 1 7 _ R D
M E M _ W R _ N
_ W R
D 1 8 R 1 0 8 1 0
M E M _ B F C L K O 1 B F C L K O
E 1 7
M E M _ B F C L K O 2 S D C L I K
C 1 8
M E M _ S D C L K O
S D C L K O
F 1 7
M E M _ B C 0 _ N
_ B C 0
H 1 7
M E M _ B C 1 _ N
_ B C 1
F 1 5
M E M _ B C 2 _ N L D Q S
F 1 2
M E M _ B C 3 _ N U D Q S
H 1 2
M E M _ R A S _ N _ R A S
D 1 4
M E M _ C A S _ N
_ C A S
H 1 1
M E M _ C K E
C K E
B 1
C L K 3 2 K C L K 3 2 K
D 5
F 3 2 K
D 6
O S C 3 2 K
E 6
R E S E T _ N _ R E S E T
R 2
R S T O U T _ N
F 7
R T C _ O U T
T 1 R T C _ O U T
S P C U _ R Q _ N I 0
R 3
S P C U _ R Q _ N I 1 B T _ V C
T 3
S P C U _ R C _ O U T 0 P M _ V
V 1
S P C U _ R Q _ N I 2
J 4
V R E F P
V R E F N
J 5 C 1 3 9 2 2 0 n
R I E F
C 1 9
G P O I [ ] 0 R 1 1 3
B 1 9
G P O I [ ] 1 2 2 K
B 1 8
1 ( % )
G P O I [ ] 2
A 1 8
G P O I [ ] 3
C 1 7
G P O I ] 4 [
A 1 7
G P O I [ ] 5
B 1 6
G P O I [ ] 6
A 1 5
G P O I ] 7 [ 3 G _ L D
B 1 5
G P O I [ ] 8
A 1 4
G P O I ] 9 [
B 5
G P O I 1 [ ] 0
3 G _ M A S T E
B 1 3
G P O I 1 [ ] 1
A 1 3
G P O I 1 [ ] 2
A 1 2
G P O I 1 [ ] 3
B 1 2 T P 1 1 2
G P O I 1 [ ] 4
A 1 1
G P O I 1 [ ] 5
3 G _ P A _ M O
A 1 0
G P O I 1 [ ] 6
A N T _ S E L 4
B 1 0
G P O I 1 [ ] 7
A N T _ S E L 5
A 9
G P O I 1 [ ] 8
A N T _ S E L 6
A 8
G P O I 1 [ ] 9
V M C I _ P
C 1 4 1
3 9 p
1 V 8 _ S D
4 R 1 2 0
0
p
0 3 L 1 0 4
0 n H 1 0 0 n H
6 7 8
- 127 -
9 1 0 1 1
1 G N A N D L ( a g r e B o l k c 1 x 6 b ) t i + 5 1 2 M D D R S D R A M
A D D 1 (
U 1 0 2 T Y 9 0 0 0 A 0 0 0 T M G F T P 1 0 2
A D D 0 ( 1 : ) 5
T P 1 0 1 L 4 D 4
A D ( D ) 0 A D D 1 ( ) 6
D Q 0 A 0
M 4 E 4
A D ( D ) 1 A D D 1 ( ) 7
D Q 1 A 1
A D ( D ) 2 N 4 F 4 A D D 1 ( ) 8
D Q 2 A 2
A D ( D ) 3 L 5 G 4 A D D 1 ( ) 9
D Q 3 A 3
A D ( D ) 4 M 5 G 8 A D D 2 ( ) 0
D Q 4 A 4
N 5 F 8
A D ( D ) 5 A D D 2 ( ) 1
D Q 5 A 5
M 6 E 8
A D ( D ) 6 A D D 2 ( ) 2
D Q 6 A 6
N 6 D 8
A D ( D ) 7 A D D 2 ( ) 3
D Q 7 A 7
M 7 D 9
A D ( D ) 8 A D D 2 ( ) 4
D Q 8 A 8
A D ( D ) 9 N 7 G 7 A D D 2 ( ) 5
D Q 9 A 9
A D D 1 ( ) 0 L 8 G 5 A D D 2 ( ) 6
) 6 D Q 1 0 A 1 0
A D D 1 ( ) 1 M 8 F 7 A D D 2 ( ) 7
D Q 1 1 A 1 1
A D D 1 ( ) 2 N 8 E 7 A D D 2 ( ) 8
D Q 1 2 A 1 2 D
L 9
A D D 1 ( ) 3
D Q 1 3
M 9 P 1 0 T P 1 0 3
A D D 1 ( ) 4 D A T ( A ) 0
D Q 1 4 O I 1
A D D 1 ( ) 5 N 9 N 1 0 D A T ( A ) 1
D Q 1 5 O I 2
M 1 0 D A T ( A ) 2
O I 3
A 1 L 1 0 D A T ( A ) 3
N C 1 O I 4
A 2 F 1 0 D A T ( A ) 4
N C 2 O I 5
A 3 E 1 0
D A T ( A ) 5
N C 3 O I 6
A 1 0 D 1 0
D A T ( A ) 6
N C 4 O I 7
A 1 1 C 1 0
D A T ( A ) 7
N C 5 O I 8
A 1 2 N 1 1 D A T ( A ) 8
N C 6 O I 9
B 1 M 1 1 D A T ( A ) 9
N C 7 O I 1 0
B 2 L 1 1 D A T A 1 ( ) 0
N C 8 O I 1 1
B 3 K 1 1
D A T A 1 ( ) 1
N C 9 O I 1 2
B 1 0 G 1 1
D A T A 1 ( ) 2
N C 1 0 O I 1 3
B 1 1 F 1 1
D A T A 1 ( ) 3
N C 1 1 O I 1 4
B 1 2 E 1 1 D A T A 1 ( ) 4
N C 1 2 O I 1 5
C 1 D 1 1 D A T A 1 ( ) 5
N C 1 3 O I 1 6
C 2
N C 1 4
C 3 K 2
N C 1 5 N C 4 6
C 1 1 K 4
N C 1 6 N C 4 7
C 1 2 K 5
N C 1 7 N C 4 8
D 1 K 8
N C 1 8 N C 4 9
D 2 K 9
N C 1 9 N C 5 0
D 3 K 1 0
N C 2 0 N C 5 1
E 2 L 2
N C 2 1 N C 5 2
E 9 M 2
T A 0 ( 1 : ) 5 N C 2 2 N C 5 3
F 2 N 2
N C 2 3 N C 5 4
F 9 P 1
N C 2 4 N C 5 5
G 6 P 2
N C 2 5 N C 5 6
G 9 P 3
N C 2 6 N C 5 7
G 1 0 P 1 1
N C 2 7 N C 5 8
H 3 P 1 2
N C 2 8 N C 5 9
H 4 R 1
N C 2 9 N C 6 0
H 5 R 2
N C 3 0 N C 6 1
H 6 R 3
N C 3 1 N C 6 2
H 7 R 1 0
N C 3 2 N C 6 3
H 8 R 1 1
N C 3 3 N C 6 4
H 9 R 1 2
N C 3 4 N C 6 5
H 1 1 T 1
N C 3 5 N C 6 6
J 2 T 2
1 V 8 _ S D
N C 3 6 N C 6 7
J 3 T 3
N C 3 7 N C 6 8
J 4 T 1 0
1 V 8 _ S D
N C 3 8 N C 6 9
J 5 T 1 1
N C 3 9 N C 7 0
J 6 T 1 2
N C 4 0 N C 7 1
J 7 1 V 8 _
N C 4 1
J 8
1 V 8 _ S D
N C 4 2
J 9 N 3 R 1 0 5 1 0 K
N C 4 3 _ W P
J 1 0 F 3 T P 1 0 4
P M _ V C X O _ E N N C 4 4 _ R E _ R D
J 1 1 G 3 T P 1 0 5
C 1 2 9 C 1 3 0 C 1 3 1 N C 4 5 _ C E
_ N A N D _ C S
D 5 T P 1 0 6
_ C S
0 1 . u 0 1 . u 0 1 . u _ R A M _ C S
1 V 8 _ S D C 4 E 3
V C C D 1 R Y _ _ B Y
R 1 0 6
C 8 C 6
3 3 0 0 C 1 3 2 C 1 3 3 V C C D 2 _ C L K S D C L I K
P 6 C 7
0 1 . u 0 1 . u V C C D 3 C L K S D C L K O
D 7 T P 1 0 7
C K E C K E
P 4 K 3 T P 1 0 8
V C C Q D 1 C L E
_ W A T I A D D 1 ( ) 7
P 8 L 3
V C C Q D 2 A L E
A D D 1 ( ) 6
M 3 T P 1 0 9
_ W E N
H 2 E 6 _ W R
V C C N 1 _ C A S
F 6 _ C A S
_ R A S _ R A S
C 5 L 6
C 1 3 5 C 1 3 6 V S S 1 L D Q S L D Q S
C 9 L 7
0 1 . u 0 1 . u
V S S 2 U D Q S U D Q S
G 2 K 7
V S S 3 U D Q M
_ B C 1
H 1 0 K 6
V S S 4 L D Q M
_ B C 0
P 5 D 6
V S S 5 _ W E D
_ W R
P 7 E 5
V S S 6 B A 0 A D D 2 ( ) 9
P 9 F 5
V S S 7 B A 1 A D D 3 ( ) 0
X 1 0 1 M C 1 - 4 6 _ 1 2 _ 5 P F
3
4
1 2
3 2 7 . 6 8 K H z
C 1 3 7 C 1 3 8
1 8 p 1 8 p
X O _ E N
C X O _ E N
R O N
D E 1
R 9 9 8
D I N
O 1 J 0 1 O 1 J 0 2
C T S
1 2
R T S
1 1
D S R D S R
1 0
U S B _ F S _ D P U T X D
N C 4
9
U S B _ F S _ D M U R X D
N C 3
8
U S B _ V C H G N C 2 P W R
7
V B A T V B A T V B A T
6
R P W R O N _ E N O N _ S W O N _ S W
5
V C H A R
V C H G N C 1
4
U A R T _ T X T X
T X
3
U A R T _ R X R X
R X
2
G N D G N D
1
2 5 . G 3 G
U A R T
9 1 0 1 1
1 2
6 2 : ) 8
A
A T A 0 ( 1 : ) 5
B
C
S D
D
R 1 0 7
1 0 K
F C D P
E
F
G
H
1 2
LGE Internal Use Only