LG AT&T GR500 Service Manual page 165

7. CIRCUIT DIAGRAM
1 2
A
M C L K
R T C C L K
B T _ C L K R E Q _ n
M C L K R E Q
S Y S C L K 0
S Y S C L K 1
B
U S B _ X T A L 1
A C C _ R I Q _ n
A P P _ R I Q _ n
T P 4 0 3
P W R R S T _ n
R E S O U T 0 _ n
C 4 0 0 R E S O U T 1 _ n
1 0 0 0 p R E S O U T 2 _ n
D 4 0 1
K E Y N I 3 A C C S L E E P
A P P S L E E P
R B 5 2 1 S 3 - 0
D C O N
P C M _ C L K
P C M _ S Y N C
C P C M _ U L D
Q 4 0 0
O U T
P C M _ D L D
R 4 0 1
B R N 1 1 0 7
V P P F L A S H
N I
1 2 0 K D B _ 2 I S 0 _ C L K
C
E
G N D D B _ 2 I S 0 _ W S
V D D E _ 1 V 8
D B _ 2 I S 0 _ U L D
D B _ 2 I S 0 _ D L D
D B _ 2 I S 1 _ C L K
D B _ 2 I S 1 _ W S
D B _ 2 I S 1 _ U L D
D B _ 2 I S 1 _ D L D
S D A T
S C L K
S R S T _ n
U S B _ D A T A 0
U S B _ D A T A 1
U S B _ D A T A 2
A C C _ U S B _ H S _ S T P
A C C _ U S B _ H S _ D R I
A C C _ U A R T 0 _ R X
A C C _ U A R T 0 _ T X
D
A C C _ U S B _ H S _ N I _ C L K
A C C _ U S B _ H S _ N X T
A C C _ U S B _ H S _ D A T A 4
A C C _ U S B _ H S _ D A T A 5
A C C _ U S B _ H S _ D A T A 6
A C C _ U S B _ H S _ D A T A 7
A C C _ U A R T 3 _ R X
A C C _ U A R T 3 _ T X
A C C _ U A R T 3 _ C T S
A C C _ U A R T 3 _ R T S
A C C _ G P _ S U B L E D _ O N
A C C _ G P _ U S B _ C S
A C C _ G P S _ S T A R T
A C C _ U S B _ H S _ D A T A 3
A C C _ G P _ F L P I S E N S E
A C C _ S P _ I I D
A C C _ S P _ I D O
A C C _ S P _ I O U T _ C L K
E
A C C _ G P _ L C D _ D I
V D D E _ 1 V 8 A C C _ G P _ S P _ I B T _ C S n
A C C _ G P _ S P _ I B T _ R I Q
A P P _ U A R T _ R X
A P P _ U A R T _ T X
A P P _ G P _ C A M L D O _ E N
A P P _ G P _ U S W _ S D A
A P P _ G P _ 2 M _ S D N
A P P _ G P _ U S W _ S C L
A P P _ G P _ T O U C H _ S D A
A P P _ G P _ T O U C H _ S C L
R 4 0 7 0 A P P _ G P _ T O U C H _ P E N R I Q n
F
A M P _ 2 I C _ S D A A P P _ G P _ F L A S H L E D _ E N
R 4 0 8 0 A P P _ G P _ F L A S H L E D _ T O R C H
A M P _ 2 I C _ S C L A P P _ G P _ M M C _ F B _ C L K
A P P _ G P _ M M C _ D E T
A P P _ G P _ U S W _ N I T
A P P _ G P _ 3 A X S I _ S D A
A P P _ G P _ 3 A X S I _ S C L
A P P _ G P _ 3 A X S I _ N I T
A P P _ G P _ K E Y E N C O D E _ R S T
A P P _ G P _ K E Y E N C O D E _ S D A
A P P _ G P _ K E Y E N C O D E _ S C L
A P P _ G P _ K E Y E N C O D E _ N I T
A P P _ G P _ G P S _ P O N
A P P _ G P _ V G A _ S D N
A P P _ G P _ M O T O R L D O _ E N
A P P _ G P _ L C D B L _ C T R L
G
H
1 2
LGE Internal Use Only
3 4 5
R B 5 2 1 S 3 - 0
D 4 0 0
T P 4 0 2
E 1 7
M C L K
A 1 5
R T C C L K N I E M F I 1
B 1 8
S Y S C L K R E Q N E M F I 1
R 4 0 0 3 3 . K B 1 7
M C L K R E Q E M F I 1
A 1 8
S Y S C L K 0 E M F I 1
A 1 7
S Y S C L K 1 E M F I 1
A 1 9
S Y S C L K 2 E M F I 1
C 1 9
M S A C C R I Q N E M F I 1
C 2 0
M S A P P R I Q N E M F I 1
T P 4 0 4 T P 4 0 5 E M F I 1
B 1 0
P W R R S T N E M F I 1 _
J 1 4
R E S O U T 0 N E M F I 1 _
B 1 9
R E S O U T 1 N E M F I 1 _
E 1 8
R E S O U T 2 N E M F I 1 _
E M F I 1 _ S D B S 0 _
T P 4 0 6 D 1 7
A C C S L E E P E M F I 1 _ S D B S 1 _
D 1 8
A P P S L E E P
C 2 1
D C O N E M F I 1
C 1 8
S E R V C I E N E M F I 1
E M F I 1
E 2
P C M C L K E M F I 1
E 3
P C M S Y N E M F I 1
D 2
P C M U L D E M F I 1
D 3
P C M D L D E M F I 1
E M F I 1
G 2 2
2 I S 0 C L K E M F I 1
F 2 2
2 I S 0 W S E M F I 1
G 2 0
2 I S 0 U L D E M F I 1 _
F 2 1
2 I S 0 D L D E M F I 1 _
G 2 1
2 I S 1 C L K E M F I 1 _
E 2 1
2 I S 1 W S E M F I 1 _
G 1 9
2 I S 1 U L D E M F I 1 _
E 2 2
2 I S 1 D L D E M F I 1 _
B 2
S D A T E M F I 1 _ S D
C 2
S C L K E M F I 1 _ S D
C 4
S R S T N E M F I 1 _ S D C
E M F I 1 _ S D C
J 2
U S B _ S E 0 _ V M E M F I 1 _ S D R
K 2
U S B _ D A T _ V P E M F I 1 _ W
L 3
U S B _ O E E M F I 1 _ B
E M F I 1 _ B
J 3
U 4 0 1 1 -
A C C _ G I P O _ 0
K 3
A C C _ G I P O _ 1 E M F I 2 _
L 8
A C C _ G I P O _ 2 E M F I 2 _
G 1
A C C _ G I P O _ 3 D B 3 2 0 0 _ A E M F I 2 _
K 8
A C C _ G I P O _ 4 E M F I 2 _
F 1
A C C _ G I P O _ 5 E M F I 2 _
J 8
A C C _ G I P O _ 6 E M F I 2 _
G 3
A C C _ G I P O _ 7 E M F I 2 _
H 3
A C C _ G I P O _ 8 E M F I 2 _
G 2
A C C _ G I P O _ 9 E M F I 2 _
H 9
A C C _ G I P O _ 1 0 E M F I 2 _
E 1
A C C _ G I P O _ 1 1 E M F I 2 _
H 1 0
A C C _ G I P O _ 1 2 E M F I 2 _
D 1
A C C _ G I P O _ 1 3 E M F I 2 _
F 3
A C C _ G I P O _ 1 4 E M F I 2 _ S D B S 0 _
D 4
A C C _ G I P O _ 1 5 E M F I 2 _ S D B S 1 _
C 3
A C C _ G I P O _ 1 6 _ U S B P R B E M F I 2 _
G 5
A C C _ G I P O _ 1 7 E M F I 2 _ C L E _
E 4
A C C _ G I P O _ 1 8 E M F I 2 _ A L E _
G 4
A C C _ G I P O _ 1 9 E M F I 2 _
C 1
A C C _ G I P O _ 2 0 E M F I 2 _
F 4
A C C _ G I P O _ 2 1 E M F I 2 _
F 2
A C C _ G I P O _ 2 2 E M F I 2 _
H 2
A C C _ G I P O _ 2 3 E M F I 2 _
V 5
A C C _ G I P O _ 2 4 E M F I 2 _
A B 3
A C C _ G I P O _ 2 5 E M F I 2 _
A A 4
A C C _ G I P O _ 2 6 E M F I 2 _ C R E _
Y 4
A C C _ G I P O _ 2 7
P 9
A C C _ G I P O _ 2 8 E M F I 2 _
A C 4
A C C _ G I P O _ 2 9 E M F I 2 _
T 9
A C C _ G I P O _ 3 0 E M F I 2 _
A A 5
A C C _ G I P O _ 3 1 E M F I 2 _
R 1 0
A C C _ G I P O _ 3 2 E M F I 2 _
T P 4 0 7 Y 5
A C C _ G I P O _ 3 3 _ A 2 7 E M F I 2 _
E M F I 2 _
H 2 0
A P P _ G I P O _ 0 E M F I 2 _
G 2 3
A P P _ G I P O _ 1 E M F I 2 _
H 2 1
A P P _ G I P O _ 2 E M F I 2 _
H 2 2
A P P _ G I P O _ 3 E M F I 2 _
J 2 2
A P P _ G I P O _ 4 E M F I 2 _
J 2 1
A P P _ G I P O _ 5 E M F I 2 _
H 2 3
A P P _ G I P O _ 6 E M F I 2 _
K 2 1
A P P _ G I P O _ 7 E M F I 2 _
L 1 6
A P P _ G I P O _ 8 E M F I 2 _
J 2 3
A P P _ G I P O _ 9
P 1 5
A P P _ G I P O _ 1 0 E M F I 2 _ N F F I _ R E
P 1 6
A P P _ G I P O _ 1 1 E M F I 2 _ W A
B 2 2
A P P _ G I P O _ 1 2 E M F I 2 _ C
R 1 4
A P P _ G I P O _ 1 3 E M F I 2 _ C
N 1 6
A P P _ G I P O _ 1 4 E M F I 2 _ C
R 2 1
A P P _ G I P O _ 1 6 E M F I 2 _ C
R 1 6
A P P _ G I P O _ 1 7 E M F I 2 _ S D C A S _ R E _
U 2 2
A P P _ G I P O _ 1 8 E M F I 2 _ W
T 1 3
A P P _ G I P O _ 1 9 E M F I 2 _ S D
T 1 4
A P P _ G I P O _ 2 0 E M F I 2 _
T 1 5
A P P _ G I P O _ 2 1 E M F I 2 _ F B
T 2 3
A P P _ G I P O _ 2 2 E M F I 2 _ S D C K
P 2 1
A P P _ G I P O _ 2 3 E M F I 2 _ S D C K
R 2 3
A P P _ G I P O _ 2 4 E M F I 2 _ S D R A S _ A
P 2 0
A P P _ G I P O _ 2 5 E M F I 2 _ B
E M F I 2 _ B
V D D _ C A M _ 1 V 8 V D D E _ 1 V 8
R 4 0 9 3 3 0 0
R 4 1 0 3 3 0 0
R 4 1 1 3 3 0 0
R 4 1 2 3 3 0 0
3 4 5
6 7 8
O N S W A _ n
S D _ A D D R 1 ( 1 : ) 3
S D _ D A T A 0 ( 1 : ) 5
B
S D _ D A T A ( ) 0
C
S D _ D A T A ( ) 1
S D _ D A T A ( ) 2 C
S D _ D A T A ( ) 3 D
S D _ D A T A ( ) 4 D
S D _ D A T A ( ) 5 E
S D _ D A T A ( ) 6 E
L 1 S D _ A D D R ( ) 1 S D _ D A T A ( ) 7 F
_ A 1
L 2 J
S D _ A D D R ( ) 2 S D _ D A T A ( ) 8
_ A 2
M 2 K
S D _ A D D R ( ) 3 S D _ D A T A ( ) 9
_ A 3
M 1 K
S D _ A D D R ( ) 4 S D _ D A T A 1 ( ) 0
_ A 4
N 1 L
S D _ A D D R ( ) 5 S D _ D A T A 1 ( ) 1
_ A 5
N 2 L
S D _ A D D R ( ) 6 S D _ D A T A 1 ( ) 2
_ A 6
P 1 M
S D _ A D D R ( ) 7 S D _ D A T A 1 ( ) 3
_ A 7
P 2 S D _ A D D R ( ) 8 S D _ D A T A 1 ( ) 4 M
_ A 8
R 3 S D _ A D D R ( ) 9 S D _ D A T A 1 ( ) 5 N
_ A 9
R 2 S D _ A D D R 1 ( ) 0
A 1 0
T 2 S D _ A D D R 1 ( ) 1
A 1 1
T 3 S D _ A D D R 1 ( ) 2 E
A 1 2 S D _ C S _ n
U 2 S D _ A D D R 1 ( ) 3 E
A 1 3 S D _ C S 2 _ n
U 1 H
A 1 4 S D _ B A 0 S D _ C L K
V 1 G
A 1 5 S D _ B A 1 S D _ C K E
F
S D _ W E _ n
H 4 D
S D _ D A T A ( ) 0
_ D 0 S D _ B A 0
J 4 D
S D _ D A T A ( ) 1
_ D 1 S D _ B A 1
L 4 E
S D _ D A T A ( ) 2
_ D 2 S D _ R A S _ n
K 4 S D _ D A T A ( ) 3 F
_ D 3 S D _ C A S _ n
M 3 S D _ D A T A ( ) 4 G
_ D 4 S D _ D Q M L _ n
M 4 S D _ D A T A ( ) 5 H
_ D 5 S D _ D Q M U _ n
P 4 S D _ D A T A ( ) 6
_ D 6
P 3 S D _ D A T A ( ) 7
_ D 7
R 4 S D _ D A T A ( ) 8 N F I _ O ( ) 0 J
_ D 8
N 8 N F I _ O ( ) 1 L
S D _ D A T A ( ) 9
_ D 9
P 8 N F I _ O ) 2 ( J
S D _ D A T A 1 ( ) 0
D 1 0
R 8 V D D E _ 1 V 8 N F I _ O ( ) 3 L
S D _ D A T A 1 ( ) 1
D 1 1
T 4 N F I _ O ( ) 4 J
S D _ D A T A 1 ( ) 2
D 1 2
U 5 N F I _ O ) 5 ( L
S D _ D A T A 1 ( ) 3
D 1 3
U 4 N F I _ O ( ) 6 J
S D _ D A T A 1 ( ) 4
D 1 4
U 3 S D _ D A T A 1 ( ) 5 N F I _ O ) 7 ( L
D 1 5
Y 2
C S N S D _ C S _ n
W 3 C
C L K S D _ C L K N F _ C S 0 _ N
V 4 F
K E N S D _ C K E S D _ C K E 2
Y 3 D
A S N S D _ C A S _ n N F _ A L E
V 2 C
A S N S D _ R A S _ n N F _ C L E
W 2 E
E N S D _ W E _ n N F _ O E _ N
W 1 E
E 0 N S D _ D Q M L _ n N F _ R E A D Y
V 3 D
E 1 N S D _ D Q M U _ n N F _ W E _ N
F
R E S O U T 0 _ n
A C 1 2
A 0 1
A A 1 1
A 0 2
A B 1 3
A 0 3
A C 1 4
A 0 4
A B 1 4
A 0 5
A B 1 5
A 0 6
2 G x 8
A A 1 5
A 0 7
A B 1 6
A 0 8
A C 1 6
A 0 9
A C 1 7
A 1 0
A B 1 7
A 1 1
A B 1 8
A 1 2
A C 1 8
A 1 3
A A 1 8 V D D E _ 1 V 8
G N D 4 0 0
A 1 4
A B 1 9
A 1 5
A C 1 9
A 1 6
A A 1 9
A 1 7 N F _ C L E
R 4 0 4
A B 2 0
A 1 8 N F _ A L E
A A 2 0
A 1 9 1 0 0 K
V R E F
A B 2 1
A 2 0
Y 2 1
A 2 1
A A 2 1
A 2 2
A B 2 2
A 2 3
A A 2 2
A 2 4 S R S T n P W R R S T _ n
Y 2 2
A 2 5
V 2 1
N F I _ O ( : 0 ) 7
A 2 6
Y 1 3 N F I _ O ( ) 0
D 0 0
Y 1 4 N F I _ O ( ) 1
D 0 1
T 1 1 N F I _ O ( ) 2
D 0 2
N F I _ O ( ) 3
A A 1 2
D 0 3
N F I _ O ( ) 4 V C O R E
A A 1 3
D 0 4
A A 1 4 N F I _ O ( ) 5
D 0 5
Y 1 5 N F I _ O ( ) 6
D 0 6
A A 1 6 N F I _ O ( ) 7
D 0 7
A A 1 7
D 0 8
Y 1 6
D 0 9 1 u C 4 1 2
W 1 7 B 4
D 1 0 V D D C _ A D D A _ E S D
W 1 8 D 1 3
D 1 1 V D D C I _ O
Y 1 7 A 7
D 1 2 0 1 . u C 4 1 4 V D D C _ P L L
Y 2 0 J 1
D 1 3 V D D C 1
Y 1 8 K 1
D 1 4 V D D C 2
0 1 . u C 4 1 5
Y 1 9 T 1
D 1 5 V D D C 3
0 1 . u C 4 1 6
A C 3
V D D C 4
Y 1 0 0 1 . u C 4 1 7 A C 1 5
A D Y N F _ R E A D Y V D D C 5
A B 8 0 1 . u C 4 1 8 A C 2 1
T I N V D D C 6
A A 7 0 1 . u C 4 1 9 A A 2 3
S 0 N N F _ C S 0 _ N 0 1 . u C 4 2 0 V D D C 7
A A 9 N 2 3
S 1 N V D D C 8
A C 8 0 1 . u C 4 2 1 D 2 3
S 2 N V D D C 9
A B 9 C 2 3
S 3 N S D _ C S 2 _ n 0 1 . u C 4 2 2 V D D C 1 0
A C 1 0 A 2 1
O E N N F _ O E _ N V D D C 1 1
0 1 . u C 4 2 3
A B 1 0 A 1 4
E N N F _ W E _ N V D D C 1 2
0 1 . u C 4 2 4
Y 1 1 A 4
C L K V D D C 1 3
A A 1 0
C L K
0 1 . u C 4 2 5
T 1 0 A 3
C L K V D D E 1
0 1 . u C 4 2 6
Y 1 2 H 1
E N 0 V D D E 2
A C 9 0 1 . u C 4 2 7 R 1
E N 1 S D _ C K E 2 V D D E 3
A C 1 1 0 1 . u C 4 2 8 Y 1
D V N V D D E 4
A B 1 2 0 1 . u C 4 3 0 A C 5
E 0 N V D D E 5
A B 1 1 0 1 . u C 4 3 1 A C 1 3
E 1 N V D D E 6
0 1 . u C 4 3 2 A C 2 0
0 1 . u C 4 3 8 V D D E 7
Y 2 3
0 1 . u C 4 3 9 V D D E 8
F 2 3
V D D E 9
E 2 3
V D D E 1 0
0 1 . u C 4 4 0
A 2 0
V D D E 1 1
0 1 . u C 4 4 1
A 1 3
V D D E 1 2
1 u C 4 4 2
V D D E _ 1 V 8
O J 4 0 0 O J 4 0 1 O J 4 0 2 O J 4 0 3 O J 4 0 4 O J 4 0 5
6 7 8
- 166 -
9 1 0 1 1
3 C 7
S D _ A D D R ( ) 1
D Q 0 A 0
4 C 8
S D _ A D D R ( ) 2
D Q 1 A 1
3 C 9 S D _ A D D R ( ) 3
D Q 2 A 2
4 B 8 S D _ A D D R ( ) 4
D Q 3 A 3
3 M 9 S D _ A D D R ( ) 5
D Q 4 A 4
4 L 9 S D _ A D D R ( ) 6
D Q 5 A 5
3 K 9 S D _ A D D R ( ) 7
D Q 6 A 6
4 J 9 S D _ A D D R ( ) 8
D Q 7 A 7
4 H 7
S D _ A D D R ( ) 9
D Q 8 A 8
3 H 8 V D D E _ 1 V 8
S D _ A D D R 1 ( ) 0
D Q 9 A 9
4 D 9
S D _ A D D R 1 ( ) 1
D Q 1 0 A 1 0
3 H 9
S D _ A D D R 1 ( ) 2
D Q 1 1 A 1 1
4 G 7
S D _ A D D R 1 ( ) 3
D Q 1 2 A 1 2
3
D Q 1 3
4
D Q 1 4
3 B 4
D Q 1 5 V D D 1
G 9
V D D 2
H 2
V D D 3
9 M 2
_ C S 1 V D D 4 C 4 0 1 C 4 0 2
8
_ C S 2 1 u 1 0 u
4 D 2
C L K V D D Q 1
8 F 2
C K E 1 V D D Q 2
8 K 2
U 4 0 0
_ W E D V D D Q 3
7
B A 0
8
K A 1 0 0 J 0 0 B A - A J Y Y
B A 1
7 C 2
C 4 0 3 C 4 0 4 C 4 0 5 C 4 0 6 C 4 0 7
_ R A S V S S 1
7 F 9
_ C A S V S S 2 0 1 . u 0 1 . u 0 1 . u 0 1 . u 0 1 . u
3 G 2
L D Q M V S S 3
3 N 4
U D Q M V S S 4
E 2
V S S Q 1
5 J 2
O I 0 V S S Q 2
5 L 2
O I 1 V S S Q 3
6
I O 2
6
O I 3
7 B 6
O I 4 V C C 1
7 N 7
O I 5 V C C 2
8
O I 6
8 N 6
O I 7 V C C Q
6 B 5
_ C E V S S 5 C 4 0 8 C 4 0 9 C 4 1 0
6 N 5
C K E 2 V S S 6 0 1 . u 0 1 . u 0 1 . u
5 N 8
A L E V S S 7
5
C L E
5
_ R E
6
R _ _ B
6
_ W E
5
_ W P
N A N D + 5 1 2 M 5 1 2 M x 1 6 S D R A M ( M C ) P
J T A G i t n r e a f c e E T M t n I r e a f c e
V D D F _ 2 V 5
C 4 1 1
0 1 . u
A 1 0 C 4 1 3 3 3 n F
P L L _ 2 6 _ V C O N T
A 9
P L L _ 2 6 _ F L I T V D D
A 6
V D D A _ A D D A
B 8
V D D A _ A D D A _ R E F
C 7
V D D A _ A D D A _ E S D
C 6
V D D A _ A D G P
D 5
V D D A _ D A
C 1 2
V D D A _ P L L _ 1 3 _ 2 0 8
B 1 2
V D D A _ P L L _ 2 6 _ 2 0 8
D 1 2
V D D A _ P L L _ 2 6 _ 6 0
U 4 0 1 2 - A 1 2
V D D A _ P L L _ 3 2 _ 1 3
C 1 0
V D D A _ P L L _ E S D
D B 3 2 0 0 _ B B 3
V S S _ A D D A _ E S D
A 8
V S S _ P L L
B 9
V S S A _ A D
A 5
V S S A _ A D D A
E 5
V S S A _ A D D A _ E S D
B 7
V S S A _ A D D A _ R E F
B 5
V S S A _ A D G P
C 5
V S S A _ D A
B 1 1
V S S A _ P L L _ 1 3 _ 2 0 8
C 1 1
V S S A _ P L L _ 2 6 _ 2 0 8
D 1 1
V S S A _ P L L _ 2 6 _ 6 0
A 1 1
V S S A _ P L L _ 3 2 _ 1 3
D 1 0
V S S A _ P L L _ E S D
9 1 0 1 1
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A
B
C
D
E
V D D F _ 2 V 5
F
G
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