LG GD330 Service Manual page 3

7. CIRCUIT DIAGRAM
1 2
S A M S U N G 1 G N A N D + 5 1
A
S D _ D 1 ( : 5 ) 0
B 3
S D _ ( D ) 0 D Q 0
C 4
S D _ ( D ) 1 D Q 1
C 3
S D _ ( D ) 2
D Q 2
D 4
S D _ ( D ) 3
D Q 3
D 3
S D _ ( D ) 4 D Q 4
E 4
B S D _ ( D ) 5 D Q 5
E 3
S D _ ( D ) 6 D Q 6
F 4
S D _ ( D ) 7
D Q 7
J 4
S D _ ( D ) 8
D Q 8
K 3
S D _ ( D ) 9
D Q 9
K 4
S D _ D 1 ( ) 0 D Q 1 0
L 3
S D _ D 1 ( ) 1 D Q 1 1
S D _ D 1 ( ) 2 L 4
D Q 1 2
M 3
S D _ D 1 ( ) 3
D Q 1 3
M 4
S D _ D 1 ( ) 4
D Q 1 4
N 3
S D _ D 1 ( ) 5
D Q 1 5
E 9
_ S D _ C S _ C S
H 4
S D _ C L K
C L K
G 8
C S D _ C L K _ E N C K E
F 8
_ S D _ W E _ W E D
D 7
S D _ B A N K 0 B A 0
D 8
S D _ B A N K 1 B A 1
E 7
_ S D _ R A S
_ R A S
F 7
_ S D _ C A S _ C A S
G 3
_ S D _ D Q M L L D Q M
H 3
N _ O I ( : 7 ) 0 _ S D _ D Q M U U D Q M
J 5
N _ O I ) 0 (
O I 0
L 5
N _ O I ( ) 1 O I 1
J 6
N _ O I ) 2 ( O I 2
L 6
N _ O I ) 3 ( O I 3
N _ O I ) 4 ( J 7
O I 4
L 7
N _ O I ) 5 (
O I 5
J 8
D N _ O I ) 6 (
O I 6
L 8
N _ O I ( ) 7 O I 7
1 V 8 _ V M E M
C 6
_ N _ C S
_ C E
G 4
S D _ C L K X _ C K
R 2 1 7 D 5
N _ A L E A L E
C 5
N _ C L E C L E
2 7 . K E 5
_ N _ O E _ R E
E 6
N _ R D Y R _ _ B
D 6
_ N _ W E
_ W E
F 5
_ N _ W P _ W P
E
F
C
A U D O I A M P S U B S Y
D
C 2 2 7
1 u
1 u
C 2 3 0
C 2 3 2 1 u
C 2 3 1 1 u
E
C 2 3 3 1 u
F M _ R
C 2 3 4 1 u
F M _ L
C 2 3 5 0 0 . 6 8 u R 2 2 5 1
A B B _ H S O _ R
C 2 3 6 0 0 . 6 8 u R 2 2 6 1
A B B _ H S O _ L
2 I C _ S D A
2 I C _ S C L
R 2 2 9 8 2 .
R C V _ P
R 2 3 0 8 2 .
R C V _ N
F 1 u
C 2 3
1 2
LGE Internal Use Only
3 4 5 6 7
2 M S D R A M D D R S ( ) B I S M & M C I R
S D _ A 1 ( : 2 ) 0
F r o M a s s P o r d u t c o i n
C 7
A 0 S D _ ( A ) 0
C 8 2 V 8 5 _ V M M C
A 1 S D _ ( A ) 1
C 9
S D _ ( A ) 2
A 2
B 8
S D _ ( A ) 3
A 3
M 9 R 2 0 3
A 4 S D _ ( A ) 4
L 9 R 2 0 4
A 5 S D _ ( A ) 5 T F _ D A T 2
K 9 R 2 0 6
A 6 S D _ ( A ) 6 T F _ D A T 3
J 9
S D _ ( A ) 7 1 V 8 _ V M E M R 2 0 7
A 7 T F _ C M D
H 7
S D _ ( A ) 8
A 8
H 8 R 2 0 8
S D _ ( A ) 9
A 9 T F _ C L K
D 9 1 V 8 _ V M E M
A 1 0 S D _ A 1 ( ) 0
H 9 R 2 1 0
A 1 1 S D _ A 1 ( ) 1 T F _ D A T 0
R 2 1 1
G 7 S D _ A 1 ( ) 2
A 1 2 T F _ D A T 1
B 4
V D D 1 T F _ D A T 2 _ S
G 9
V D D 2 T F _ D A T 3 _ S
H 2
V D D 3 T F _ C M D _ S
M 2
V D D 4
T F _ C L K _ S
D 2
V D D Q 1
F 2
V D D Q 2 T F _ D A T 0 _ S
K 2
U 2 0 1 V D D Q 3 T F _ D A T 1 _ S
K 5 E 1 G 1 2 A C C D - 0 7 5 C 2 0 5 C 2 0 6 C 2 0 7 C 2 0 8 C 2 0 9 C 2 1 0 C 2 1 1 _ T F _ D E T E C T
C 2
V S S 1 0 1 . u 0 1 . u 0 1 . u 1 u 0 1 . u 1 u 0 1 . u
F 9
V S S 2
G 2
V S S 3
N 4
V S S 4
E 2
V S S Q 1
J 2
V S S Q 2
L 2 1 V 8 _ V M E M
V S S Q 3
B 6
V C C 1
N 7
V C C 2
N 6
V C C Q
C 2 1 5 C 2 1 6 C 2 1 7 C 2 1 8
B 5
V S S 5 0 1 . u 0 1 . u 0 1 . u 1 u
N 5
V S S 6
N 8
V S S 7
F 3
T
L D Q S S D _ D Q S L
J 3
S D _ D Q S H
U D Q S
T F _ D A T 2
T F _ D A T 2 _ S
D G 2 0 1 8
1 1 . m m i p c t h
S T E M & S G I N A L S W T I C H
V B A T
P C B A
C 2 2 6 C 2 2 9
C 2 2 8
1 u
1 0 u 0 1 . u
A 4
C 1 N
A 5 A 1 U R T 2 0 0
C 1 P H P R M M _ I H S O _ R
3 G 2 5 . G
A 2
H P L M M _ I H S O _ L G N D G N
D 1
N I A 2 R X
R
D 2
N I A 1 T X
T
C I 2 0 0
C 2 3 7 C 2 3 8 V C H A R N C
C 1 M A X 9 8 7 7 A E W P _ T G 4 5
N I B 2 2 7 p 2 7 p O N _ S W O N _ S
C 2 D 5 L 2 0 0
N I B 1 O U T + S P K _ R C V _ P V B A T V B A
1 0 0 n H
P W R N C
B 2 B 5 L 2 0 1
B A I S O U - T S P K _ R C V _ N U R X D N C
1 0 0 n H
U T X D N C
B 3
S D A D S
C 3
S C L R T
C T
D 4
R X N I +
B 4
R I X - N
C 2 4 0 C 2 4 1
9 2 7 p 2 7 p
3 4 5 6 7
8 9 1 0 1 1
O S D H Y B R D I S O C K E T W T I H T C - O N N E C T O R I F /
2 V 8 5 _ V M M C _ S 1 V 8 _ V O I 2 V 8 5 _ V I S M
1
_ P W R _ N I _ D E
1
1
E O
R 2 0 9
1
_ C H G _ E
1 1 0 0 K
1
1 C 2 0 2 V A 2 0 0 V A 2 0 1 V A 2 0 2
0 1 . u
1
1
2
2
3
3
4 1 6
4 G N D 1
5 S 2 0 0 1 5
5 G N D 2
6 1 4
6 G N D 3
7 1 3
7 G N D 4
8 1 2
8 G N D 5
1 1
G N D 6
R 2 1 6 9
S W B
1 K 1 0
S W A
C 2 1 2 C 2 1 3 C 2 1 4
2 2 p 1 u 1 0 0 0 p
C - O N N E C T O R N I T E R F A C E
R P W O N _ E X T P ( U = ) L o w : J T A G N ( C , ) H g i : h T f - a l s h N ( O )
V B A T V B A T V B A T
U 2 0 2 U 2 0 3 R 2 1 9
D I N
1 1 2 1 1 2
N C 1 C O M 4 T F _ C M D _ S J T A G _ T C K N C 1 C O M 4
2 1 1 2 1 1
N I 1 _ 2 N O 4 T F _ C M D N I 1 _ 2 N O 4
3 1 0 3 1 0 R 2 2 0 4 7
N O 2 N I 3 _ 4 T F _ D A T 0 N O 2 N I 3 _ 4 R P W O N _ E X
4 9 4 9
C O M 2 N C 3 J T A G _ T I D T F _ D A T 0 _ S C O M 2 N C 3 J T A G _ T D O
D N _ T 1 _ E 4 D G 2 0 1 8 D N _ T 1 _ E 4
R 2 2 1
C 2 2 3 C 2 2 4
0 1 . u 0 1 . u
D I N
M A S S P R O D U C T O I N T E S T P A D
R R A Y T E S T P A D
V B A T
V B A T
R
U A T _ R X D
U A R T _ R X D
V B A T V C H G _ O V P V B U S _ O V P U A R T _ T X D
U A R T _ T X D
U A R T _ D S R
U A R T _ D S R
1 R P W O N _ E X T
D R P W O N _ E X T
2
U A R T _ R X D
X
3 G N D
U A R T _ T X D
X
4
1
5
W R P W O N _ E X T
6
T
7
2
8 R 2 2 7 2 2
3
U S B _ D M
9 R 2 2 8 2 2
4 U S B _ D P
1 0 O J 2 0 0 O J
R U A R T _ D S R
1 1
S
1 2
S
8 9
- 104 -
1 2 1 3 1 4 1 5 1 6
D U A L C H A R G E R
1 V 8 _ V O I 1 V 8 _ V O I V B U S _ O V P V C H G _ O V P V C H G V B U S _ U S B V B A T
U 2 0 0 S I L 9 2 2 1
1 3
P G N D
R 2 0 1 R 2 0 2 1
V D C
1 2
V D C _ B Y P
1 0 K 1 0 K 2
V U S B
1 1
B A T
3
T _ P P R
1 0
U S B _ B Y P
4
C _ C H G
9
V I D C
5
N _ E N
8
G N D
6
I M N I
7
U I S B
R 2 1 2 C 2 0 3 C 2 0 4 R 2 1 3 R 2 1 4 R 2 1 5 C 2 0 0 C 2 0 1
1 0 0 K 1 u 1 u 6 2 . K 1 8 K 1 8 K 1 0 u 1 0 u
B A T T E R Y C O N N E C T O R
V B A T
3
G 2 R 2 1 8
B A T T _ D I
2
1 K
G 1
1
C 2 2 0 C 2 2 1 C 2 1 9 C 2 2 2
C N 2 0 0
2 7 p 0 1 . u 1 0 u 4 7 p
T
R E M O T E P O W E R O N " E N D " K E Y R E L E A S E
V B A T
F S A 2 2 6 8 U M X
V C C G N D
9 4
R 2 2 3
S 2 2 B 1
6 3
1 0 K
2 A 2 B 0
5 2
E N D _ K E Y _ E N S 1 1 B 1
7 1
R P W O N _ E X T 1 A 1 B 0 R P W O N
8 1 0
U 2 0 4
C 2 2 5 R 2 2 4
R 2 2 2 D I N
0 1 . u 1 0 0 K
2 0 1
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
E
F
C
D
E