Samsung SP50K3HDX/XAX Service Manual page 22

Schematic Diagram
10-1-18 Main-18
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Power
Signal
A T 2 I 5 . V
C 2 5 6 C 2 5 7 C 2 5 8 C 2 5 9
C 2 5 5
1 0 u F
1 0 0 n F 1 0 0 n F 1 0 0 n F
1 0 0 u F
1 6 V
2 5 V 2 5 V 2 5 V
1 6 V
K 4 H 5 1
1
V D D
M _ M E M _ D A T A A 0 2
D Q 0
3
V D D Q
M _ M E M _ D A T A A 1 4
D Q 1
M _ M E M _ D A T A A 2 5
D Q 2
6
V S S Q
M _ M E M _ D A T A A 3 7
D Q 3
M _ M E M _ D A T A A 4 8
D Q 4
9
V D D Q
M _ M E M _ D A T A A 5 1 0
D Q 5
M _ M E M _ D A T A A 6 1 1
D Q 6
1 2
V S S Q
M _ M E M _ D A T A A 7
1 3
D Q 7
1 4
N C
1 5
V D D Q
M _ M E M _ S T R O B E A 0 1 6
L D Q S
1 7
N C
1 8
V D D
1 9
N C
M _ M E M _ D Q M A 0 2 0
L D M
M _ M E M _ W A A _ E n
2 1
/ W E
M _ M E M _ C A S A
2 2
C / A S
M _ M E M _ R A S A 2 3
R / A S
M _ M E M _ C S A 0 2 4
C / S
2 5
N C
M _ M E M _ A A 1 4
2 6
B A 0
M _ M E M _ A A 1 3
2 7
B A 1
M _ M E M _ A A 1 0 2 8
A 1 0 A , P
M _ M E M _ A A 0 2 9
A 0
M _ M E M _ A A 1 3 0
A 1
M _ M E M _ A A 2 3 1
A 2
M _ M E M _ A A 3 3 2
A 3
3 3
V D D
10-18
C 2 6 0 C 2 6 2 C 2 6 3 C 2
C 2 6 1
1 0 0 n F 1 0 0 n F 1 0 0 n F 1 0
1 0 0 n F
2 5 V 2 5 V 2 5 V 2 5
2 5 V
C I 2 4 6
1 6 3 8 - B U C C C
6 6
V S S
6 5 M _ M E M _ D A T A A 1 5
D Q 1 5
6 4
V S S Q
6 3 M _ M E M _ D A T A A 1 4
D Q 1 4
6 2 M _ M E M _ D A T A A 1 3
D Q 1 3
6 1
V D D Q
6 0 M _ M E M _ D A T A A 1 2
D Q 1 2
5 9 M _ M E M _ D A T A A 1 1
D Q 1 1
5 8
V S S Q
5 7 M _ M E M _ D A T A A 1 0
D Q 1 0
5 6 M _ M E M _ D A T A A 9
D Q 9
5 5
V D D Q
M _ M E M _ D A T A A 8
5 4
D Q 8
5 3
N C
5 2
V S S Q
5 1 M _ M E M _ S T R O B E A 1
U D Q S
5 0
N C
4 9
X R E F
V R E F
M E
4 8
V S S
4 7 M _ M E M _ D Q M A 1 C 2 6 6
U D M
M _ M E M _ n C L K A 1 0 0 n F
4 6
C / K
M _ M E M _ C L K A 2 5 V
4 5
C K
4 4 M _ M E M _ n C L K A _ E n
C K E
4 3
N C
4 2 M _ M E M _ A A 1 2
A 1 2
M _ M E M _ A A 1 1
4 1
A 1 1
M _ M E M _ A A 9
4 0
A 9
3 9 M _ M E M _ A A 8
A 8
3 8 M _ M E M _ A A 7
A 7
3 7 M _ M E M _ A A 6
A 6
3 6 M _ M E M _ A A 5
A 5
3 5 M _ M E M _ A A 4
A 4
3 4
V S S
S T B
C 2 6 8
1 0 0 n F
2 5 V
C 2 4 6 C 2 4 7
C 2 4 5
6 4 1 0 0 n F 1 0 0 n F
1 0 0 u F
0 n F 2 5 V 2 5 V
1 6 V
V
M _ V R E F
_ 3 3 . V
A T 2 I 5 . V
C I 2 4 7
M C I 3 9 1 5 0 2 - 5 . B U
1 3
G N D
N I O U T
G N D
C 2 6 9
C 2 6 7
1 0 0 n F
1 0 0 u F
2
1 6 V 2 5 V
A T 2 I 5 . V
C 2 4 8 C 2 4 9 C 2 5 0
1 0 u F
1 0 0 n F 1 0 0 n F
1 6 V
2 5 V 2 5 V
C I 2 4 5
K 4 H 5 1 1 6 3 8 - B U C C C
1 6 6
V D D V S S
M _ M E M _ D A T A A 1 6 2 6 5 M _ M
D Q 0 D Q 1 5
3 6 4
V D D Q V S S Q
M _ M E M _ D A T A A 1 7 4 6 3 M _ M
D Q 1 D Q 1 4
M _ M E M _ D A T A A 1 8 5 6 2 M _ M
D Q 2 D Q 1 3
6 6 1
V S S Q V D D Q
M _ M E M _ D A T A A 1 9 7 6 0 M _ M
D Q 3 D Q 1 2
M _ M E M _ D A T A A 2 0 8 5 9 M _ M
D Q 4 D Q 1 1
9 5 8
V D D Q V S S Q
M _ M E M _ D A T A A 2 1 M _ M
1 0 5 7
D Q 5 D Q 1 0
M _ M E M _ D A T A A 2 2 1 1 5 6 M _ M
D Q 6 D Q 9
1 2 5 5
V S S Q V D D Q
M _ M E M _ D A T A A 2 3 1 3 5 4 M _ M
D Q 7 D Q 8
1 4 5 3
N C N C
1 5 5 2
V D D Q V S S Q
M _ M E M _ S T R O B E A 2 1 6 5 1 M _ M E
L D Q S U D Q S
1 7 5 0
N C N C
1 8 4 9
V D D V R E F
1 9 4 8
N C V S S
M _ M E M _ D Q M A 2 2 0 4 7 M _ M E
L D M U D M
M _ M E M _ W A A _ E n 2 1 4 6 M _ M E
/ W E C / K
M _ M E M _ C A S A M _ M E
2 2 4 5
C / A S C K
M _ M E M _ R A S A M _ M E
2 3 4 4
R / A S C K E
M _ M E M _ C S A 0 2 4 4 3
C / S N C
2 5 4 2 M _ M E
N C A 1 2
M _ M E M _ A A 1 4 2 6 4 1 M _ M E
B A 0 A 1 1
M _ M E M _ A A 1 3 M _ M E
2 7 4 0
B A 1 A 9
M _ M E M _ A A 1 0 2 8 M _ M E
3 9
A 1 0 A , P A 8
M _ M E M _ A A 0 2 9 3 8 M _ M E
A 0 A 7
M _ M E M _ A A 1 3 0 3 7 M _ M E
A 1 A 6
M _ M E M _ A A 2 3 1 3 6 M _ M E
A 2 A 5
M _ M E M _ A A 3 3 2 3 5 M _ M E
A 3 A 4
3 3 3 4
V D D V S S
A T 2 I 5 . V
R 2 4 5
1 K o h m
M E M _ V R
X R E F
R 2 4 6
1 K o h m
C 2 5 1 C 2 5 2 C 2 5 3 C 2 5 4
1 0 0 n F 1 0 0 n F 1 0 0 n F 1 0 0 n F
2 5 V 2 5 V 2 5 V 2 5 V
E M _ D A T A A 3 1
E M _ D A T A A 3 0
E M _ D A T A A 2 9
E M _ D A T A A 2 8
E M _ D A T A A 2 7
E M _ D A T A A 2 6
E M _ D A T A A 2 5
E M _ D A T A A 2 4
M _ S T R O B E A 3
X R E F
M E M _ V R E F
M _ D Q M A 3 C 2 6 5
M _ n C L K A 1 0 0 n F
M _ C L K A 2 5 V
M _ n C L K A _ E n
M _ A A 1 2
M _ A A 1 1
M _ A A 9
M _ A A 8
M _ A A 7
M _ A A 6
M _ A A 5
M _ A A 4
E F
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