Samsung MM-DA25, Service Manual

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7-8 Samsung Electronics
Schematic Diagram
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7-7 SMPS (MM-DA25)
1 0 C C V L
H u 7 2
+
3 0 P M A C
V 0 5 F u 0 0 1
C C V +
S
W
_C
1
S
W
_E
2
T
IM
E
_C
3
G
N
D
4
IN
P
U
T
5
V
C
C
6
IP
K
7
D
R
IV
E
8
1 0 3 3 S C I
A 3 6 0 4 3 C M
1 0 3 3 R
1 . 0 Ω S W 2 % 5 ±
1 0 3 3 S C
V 0 5 / F p 0 0 1
1 0 3 3 D
V 0 6 / A 5 6 0 5 R S
C C V +
1 0 3 3 P S R
C N
2 0 3 3 P S R
C N
3 0 3 3 P S R
C N
3 0 3 3 S R
8 / 1 % 5 ± 0 7 4
2 0 3 3 R
8 / 1 % 5 ± 0 0 1
7 0 3 3 S R
8 / 1 % 1 ± K 8 . 1
8 0 3 3 S R
8 / 1 % 1 ± K 1 . 1
9 0 3 3 S R
8 / 1 % 5 ± 0 7 4
2
9
7
6
5
2 T
H u 7 4 6 1 9 1 E E
1 0 3 3 Q
A 5 / V 0 6 / W 0 2 1 5 1 1 B T K
1 0 5 D C I
5 0 8 7 A I K
1 0 8 D
A 2 V 0 6 6 0 2 R S
+
1 0 8 A C
V 6 1 F u 0 7 4
C
S
A
51
01
10
3K
5
0V
+
C
A
51
01
47
0u
F
16
V
+
C
A
51
02
47
0u
F
16
V
2 V 8 +
C
S
A
33
01
10
3K
5
0V +
C
A
33
01
22
00
uF
1
0V
1 0 3 3 L
H u 7 2
+
C
A
33
02
10
00
uF
1
0V
A V 5 +
V 3 . 3 +
+
2 0 8 A C
V 0 1 / F u 0 0 0 1
1 0 8 L
H u 7 2
+
1 0 0 1 A C
V 5 2 F u 7 4
2 0 C P S D
W 8 4 1 4 N 1
0 1 C P S R
8 / 1 % 1 ± K 0 1
5 0 C P S Q
A 2 2 2 2 T B M M
1
2
3
4
5
6
7
8
9
0 1
5 1
4 1
3 1
2 1
1 1
3 N O C
1
2
3
4
5
6
7
8
2 N O C
P M A +
1 1 C P S R
8 / 1 % 5 ± K 7 . 4
5 1 C P S R
8 / 1 % 5 ± 0 7 4
4 0 C P S Q
A 2 2 2 2 T B M M
2 1 C P S R
8 / 1 % 5 ± K 7 . 4
3 1 C P S R
K 2 . 1 Ω 8 / 1 % 1 ±
P M A -
V 2 1 +
1 C P
V 6 . 5 +
S P
F D V -
F D V +
V 8 2 -
1 0 0 1 Z D
V 0 1 W 1 A 0 4 7 4 N 1
1 0 0 1 R
7 2 fi S W 4 / 1 % 5 ±
V 3 . 3 +
V 2 1 +
2 V 8 + A V 5 +
V 8 +
D N G
V 5 +
V 3 . 3 +
D N G
D N G
V 0 1 +
D N G
P M A +
P M A +
D N G
D N G
P M A -
P M A -
V 2 1 +
D N G
1 C P
6 . 5 +
S P
2 C P
F D V -
F D V +
V 8 2 -
1 0 5 S R
C N
1 0 8 A S C
V 0 5 K 3 0 1
1 F
T
3.
15
A
2
50
V
N
TC
1
S
C
K
2R
58
M
B
02
58
1 F L
H m 5 4 5 4 - 8 2 Q S X W
1 X C
V 5 7 2 K 4 0 1
1 R A V
V 0 0 3 K 1 7 4 D 0 1 R N G
1 Y C
V 0 0 4 M 2 0 1
1 D B
G
B
U
40
6
80
0V
/4
A
V
f=
1V
2 R
S W 2 % 5 ± K 7 4
1 C P
5 C
V 0 3 6 K 3 0 1
1 R
M 5 . 1 Ω W 2 / 1 % 5 ±
N L
1 2
1 N O C
C 2 0 - 6 9 0 5
2 X C
V 5 7 2 K 4 3 3
2 Y C
V 0 0 4 M 2 0 1
+
1 A C
V 0 5 4 F u 0 2 1
2
6
3 1
0 1
5 1
4 1
9
6 1
0 1
1 1
4
8
2 1
0 1
1 T
u 0 7 4 1 4 5 3 R E E
Z
C
1
R
E
G
2
C
S
3
H
V
4
H
V
5
O
U
T
6
V
c
c
7
G
N
D
8
1 C I
1 0 S Q 2 E C I
1 D
H
ER
20
8
10
00
V
/2
A
2 D B
H u 2 . 1
1 M
3 C 0 6 N 7 0 A P S
1 S D
W 8 4 1 4 N 1
1 S R
W 8 / 1 % 5 ± 7 4
3 S R
K 0 1 Ω W 8 / 1 % 1 ±
2 S R
W 8 / 1 % 5 ± 0 2 2
1 C
V K 1 / F p 0 6 5
1 S C
V 0 5 / F p 0 0 1
2 S C
V 0 5 / F p 0 0 1
4 S R
8 / 1 % 5 ± K 7 . 4
5 S R
K 6 3 Ω 8 / 1 % 5 ±
3
4
A 1 C O
B 7 1 8 V T L
3 S C
10
2J
5
0V
2 S D
W 8 4 1 4 N 1
3 S D
W 8 4 1 4 N 1
3 R
2 2 . 0 Ω S W 1 % 5 ±
5 R
2 2 . 0 Ω S W 1 % 5 ±
4 R
W 4 / 1 % 5 ± 2 2
+
2 A C
V 0 5 / F u 7 4
1 0 S D Z
V 3 . 4 W m 0 0 5 9 2 2 5 Z S M M
6 S R
8 / 1 % 5 ± K 7 . 4
1 0 S Q
A 1 / V 0 4 A 2 2 2 2 T B M M
7 S R
8 / 1 % 5 ± k 3 . 3
2 0 S P S Q
A 1 / V 0 4 A 2 2 2 2 T B M M
4 0 S P S R
K 2 . 1 Ω 8 / 1 % 1 ±
S P
1 0 S P S R
8 / 1 % 5 ± K 7 . 4
V 6 . 5 +
3 0 S P S R
K 2 . 1 Ω 8 / 1 % 1 ±
1 0 S P S D Z
V 2 . 8 W m 0 0 5 7 3 2 5 Z S M M
2 0 S P S R
8 / 1 % 5 ± k 3 . 3
1 0 S P S C
C N
S 2 1 +
3 Y C
V 0 0 4 M 2 2 2
1 0 N 0 3 R
W 2 / 1 % 5 ± 7 . 4
1 0 N 0 3 C
V K 1 K 1 3 3
1 0 N 0 3 D
V 0 0 4 / A 1 4 T 1 F
1 0 N 0 3 D Z
V 0 3 1 5 7 4 N 1
+
1 0 N 0 3 A C
V 0 5 F u 0 0 1
V 8 2 -
1 0 N 0 3 A S C
V 0 5 K 3 0 1
1 0 6 4 S R
C N
1 0 6 4 D
V 0 0 4 / A 1 6 0 1 R S
+
1 0 6 4 A C
V 0 1 / F u 0 0 2 2
1 0 6 4 S C
V 0 5 K 3 0 1
1 0 6 4 R
5 7 . 0 Ω W 2 / 1 % 5 ±
F D V +
1 0 2 1 D
S
R
2A
0
1
00
V
/2
A
+
1 0 2 1 A C
V 5 2 / F u 0 0 0 1
+
2 0 2 1 A C
V 5 2 / F u 0 0 0 1
V 2 1 +
F D V -
1 0 2 1 S C
V 0 5 K 3 0 1
1 0 S P S Q
A m 0 0 8 / V 0 6 A 7 0 9 2 T B M M
1 0 6 5 C I
5 0 8 7 A I K
S 2 1 +
2 0 6 5 D
V 0 0 4 / A 1 4 0 1 R F
+
1 0 6 5 A C
V 5 2 F u 0 7 4
+
2 0 6 5 A C
V 0 1 / F u 0 0 0 1
1 0 6 5 S C
V 0 5 K 4 0 1
V 6 . 5 +
2 0 6 5 A S C
V 0 5 K 3 0 1
1 0 P M N C
V K 1 K 1 2 2
1 0 P M A D
G 4 0 8 F A F S
ZD
S
P
C
01
N
C
+
1 0 P M N A C
V 5 3 / F u 0 0 0 1
1 0 P M N L
H u 5 2
+ 2 0 P M N A C
V 5 3 / F u 0 0 0 1
B 1 0 C P S Q
n 0 7 4 4 S D F
R
S
P
C
02
8 / 1 % 1 ± K 1
1 0 P M N A S C
V 0 5 K 3 0 1
P M A -
1 0 P N C
V K 1 K 1 2 2
2 0 P M A D
V 0 0 2 / A 8 G 4 0 8 F A F S
2 0 C P S D Z
V 4 2 W m 0 0 5 2 5 2 5 Z S M M
1 0 P M L
H u 5 2
A 1 0 C P S Q
Y D B 1 0 4 4 i S
3 0 C P S R
8 / 1 % 5 ± K 7 . 4
1 0 P M A S C
V 0 5 K 3 0 1
+
1 0 P M A C
V 5 3 / F u 0 0 0 1
+
2 0 P M A C
V 5 3 / F u 0 0 0 1
2 0 C P S Q
M
M
B
T2
22
2A
4
0V
/1
A
5 0 C P S R
K 2 . 1 Ω 8 / 1 % 1 ±
6 0 C P S R
8 / 1 % 5 ± K 7 . 4
4 0 C P S R
K 1 . 5 Ω 8 / 1 % 1 ±
4 1 C P S R
8 / 1 % 5 ± k 7 . 2
1 0 P M R
S W 1 % 5 ± K 0 1
P M A +
1 F S C
V 0 5 J 0 3 3
6 F S R
8 / 1 % 5 ± 0 7 4
2 F S C
V 0 5 K 3 2 2
3 F S R
K 2 . 1 Ω 8 / 1 % 1 ±
1
2
B 1 C O
B 7 1 8 V T L
5 F S R
8 / 1 % 1 ± K 1
4 F S R
8 / 1 % 1 ± K 0 5 1
2 F S R
C N
7 F S R
K 2 . 1 Ω 8 / 1 % 1 ±
2
3
1
1 F C I
L 1 3 4 N A F
0 1 F S R
K 5 . 1 Ω 8 / 1 % 1 ±
1 F S R
K 8 1 Ω 8 / 1 % 1 ±
9 F S R
K 0 1 Ω 8 / 1 % 1 ±
8 F S R
K 5 . 1 Ω W 4 / 1 % 1 ±
S 2 1 +
+
2 0 6 4 A C
V 0 5 F u 0 0 1
4 Y C
V 0 0 4 M 2 3 3
1 0 P M N A S R
C N
8 S R
K 1 Ω W 4 / 1 % 5 ±
0 1 S R
K 1 Ω W 4 / 1 % 5 ±
9 S R
K 1 Ω W 4 / 1 % 5 ±
2 C
V K 1 K 2 0 1
4 S D
W 8 4 1 4 N 1
t u o
2
n i
1
G
3 4
1 0 2 1 C I
2 1 R 8 7 2 A K
2 0 2 1 S R
8 / 1 % 5 ± K 7 . 4
2 0 2 1 S C
V 0 5 K 4 0 1
1 0 P M N R
C N
1 1 S R
C N
2 1 S R
0 0 1 Ω W 8 / 1 % 5 ±
2 0 S D Z
V 4 2 W m 0 0 5 2 5 2 5 Z S M M
1 0 C P S D
W 8 4 1 4 N 1
4 1 D J
4 S C
V 0 5 F p 0 0 1
1 0 8 A S R
2 0 8 A S C