Samsung MX-F730, Service Manual

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6. Schematic Diagram
6.9. SMPS-2
B±VFD(±3.4V )Block
B-28 V
Block
B-5V
Block
H S 801 HEAT S INK
HS 901 HEAT S INK
OV P
Block
T S 801S
450W : EE2525
A +5.3V
Block
R -TYPE
2
1
3
4
5
10
11
9
12
13
8
7
13
AC BLOCK
8 *11.5/RD
8*11.5/RD
10*16/RD
6.3*11.5/RD
1
0
*1
6
/R
D
1
0
*1
6
/R
D
1
0
*1
2
.5
/R
D
6.3*11/WL
6.3*11/RD
6.3*11/WL B+
P _ON
5 .3V
G ND
+VFD
PS _ON
A
-VF D
-VP
PS _ON
GND
-5V
PS _ON
GND
A
C
5
.3
V
B+
R
S
9
0
8
2
0
K
(1
6
0
8
)
R
S
9
0
8
2
0
K
(1
6
0
8
)
RS962
1K(2012)
RS962
1K(2012)
QS 951 S 2
KTC32 28
QS 951 S 2
KTC32 28
ICS 801
SQT6010K
ICS 801
SQT6010K
OCP
3
Dra in
1
FB
6
BR
7
VCC
4
GND
5
CY805S
331
CY805S
331
QS 952 S
MMBT2907A(SO T-23)
QS 952 S
MMBT2907A(SO T-23)
R
S
9
0
4
2
.4
K
(1
6
0
8
)
R
S
9
0
4
2
.4
K
(1
6
0
8
)
RS963
2K(2012)
RS963
2K(2012)
QS 962 S
MMBT2907A(SO T-23)
QS 962 S
MMBT2907A(SO T-23)
Z
D
S
9
0
1
NC
Z
D
S
9
0
1
NC
CS801
630V/10nF
CS801
630V/10nF
RS810
NC
RS810
NC
R
S
9
1
2
1
K
(2
0
1
2
)
R
S
9
1
2
1
K
(2
0
1
2
)
RS 901
1K(3216)
RS 901
1K(3216)
+
CS 804
50V/47uF
+
CS 804
50V/47uF
P
C
S
8
0
1
S
A
E
T
V
8
1
7
S
P
C
S
8
0
1
S
A
E
T
V
8
1
7
S
1
2
RS 907
1K(2012)
RS 907
1K(2012)
C
S
8
0
3
5
0
V
/2
.2
n
F
(2
0
1
2
)
C
S
8
0
3
5
0
V
/2
.2
n
F
(2
0
1
2
)
DS801
UF4007
DS801
UF4007
D
S
9
0
2
1
N
4
1
4
8
W
D
S
9
0
2
1
N
4
1
4
8
W
+ CS961
25V/330uF
+ CS961
25V/330uF
RS 903
1K(1608)
RS 903
1K(1608)
BS951
0R0(20 12)
BS951
0R0(20 12)
C
S
8
0
6
NC
C
S
8
0
6
NC
R
S
8
1
1
0
R
0
(1
6
0
8
)
R
S
8
1
1
0
R
0
(1
6
0
8
)
RS801
2W 100K
RS801
2W 100K
BS801
BA3550TO
BS801
BA3550TO
RS808
NC
RS808
NC
+
CS962
16V/220uF
+
CS962
16V/220uF
R
S
9
0
5
1
0
0
(1
6
0
8
)
R
S
9
0
5
1
0
0
(1
6
0
8
)
RS931
0R1(3216)
RS931
0R1(3216)
C
S
9
0
6
5
0
V
/1
0
n
F
(1
6
0
8
)
C
S
9
0
6
5
0
V
/1
0
n
F
(1
6
0
8
)
CS 904
25V/1uF(1608) CS 904
25V/1uF(1608)
DS961
MB210 DS961
MB210
RS953
30K(3216)
RS953
30K(3216)
RS 914
1K(2012)
RS 914
1K(2012)
QS 951 S
KTC322 8
QS 951 S
KTC322 8
R
S
9
5
6
1
0
0
K
(3
2
1
6
)
R
S
9
5
6
1
0
0
K
(3
2
1
6
)
+
CS931
35V/470uF
+
CS931
35V/470uF
RS933
1K(1608)
RS933
1K(1608)
R
S
9
0
9
NC
R
S
9
0
9
NC
CS 905
50V/33pF(1608)
CS 905
50V/33pF(1608)
R
S
8
0
3
2
2
(1
6
0
8
)
R
S
8
0
3
2
2
(1
6
0
8
)
QS 932 S
MMBT2907A(SOT-23)
QS 932 S
MMBT2907A(SOT-23)
DS 901
MBRF 20200CT
DS 901
MBRF 20200CT
RS812
NC
RS812
NC
P
C
S
8
0
1
S
B
E
T
V
8
1
7
S
P
C
S
8
0
1
S
B
E
T
V
8
1
7
S
4
3
+
CS951
63V/100uF
+
CS951
63V/100uF
QS 902
2N7002K
QS 902
2N7002K
RS807
NC
RS807
NC
C
S
8
0
5
5
0
V
/1
0
0
n
F
(2
0
1
2
)
C
S
8
0
5
5
0
V
/1
0
0
n
F
(2
0
1
2
)
RS952
4.7K(1608)
RS952
4.7K(1608)
QS 931S
KTC32 28
QS 931S
KTC32 28
RS951
0R1(3216)
RS951
0R1(3216)
ZDS 95 3
MMSZ5221B(2.4V ) ZDS 95 3
MMSZ5221B(2.4V )
R
S
9
0
6
2
.2
K
(1
6
0
8
)
R
S
9
0
6
2
.2
K
(1
6
0
8
)
RS954
47K(321 6)
RS954
47K(321 6)
RS965
1.8K(2012)
RS965
1.8K(2012)
DS931
MB210
DS931
MB210
Z
D
S
8
0
1
M
M
S
Z
5
2
3
9
B
(9
.1
V
)
Z
D
S
8
0
1
M
M
S
Z
5
2
3
9
B
(9
.1
V
)
DS951
US1M DS951
US1M
RS961
3R(3216)
RS961
3R(3216)
CS807
NC
CS807
NC
RS932
2.2K(1608)
RS932
2.2K(1608)
C
S
9
0
7
5
0
V
/1
n
F
(2
0
1
2
)
C
S
9
0
7
5
0
V
/1
n
F
(2
0
1
2
)
+
C
S
9
0
2
1
6
V
/1
0
0
0
u
F
+
C
S
9
0
2
1
6
V
/1
0
0
0
u
F
ICS 901
TL431G-AE2-R
ICS 901
TL431G-AE2-R
R
S
9
1
3
1
5
0
K
(2
0
1
2
)
R
S
9
1
3
1
5
0
K
(2
0
1
2
)
+
CS952
50V/47uF
+
CS952
50V/47uF
Z
D
S
9
0
2
6
.8
V
Z
D
S
9
0
2
6
.8
V
RS805
15(3216)
RS805
15(3216)
ICS931
KIA7905
ICS931
KIA7905
VIN
2
VOUT
3
G
N
D
1
RS809
NC
RS809
NC
R
S
8
0
2
2
W
0
.7
R
S
8
0
2
2
W
0
.7
+
CS932
16V/470uF
+
CS932
16V/470uF
R
S
9
0
2
1
K
(3
2
1
6
)
R
S
9
0
2
1
K
(3
2
1
6
)
DS802
US1M
DS802
US1M
+
C
S
9
0
1
1
6
V
/1
0
0
0
u
F
+
C
S
9
0
1
1
6
V
/1
0
0
0
u
F
LS 901
2.9uH(1.2P I)
LS 901
2.9uH(1.2P I)
RS964
4.7K(2012)
RS964
4.7K(2012)
RS955
10(32 16)
RS955
10(32 16)
R
S
9
1
0
1
5
0
K
(2
0
1
2
)
R
S
9
1
0
1
5
0
K
(2
0
1
2
)
QS 901
2N7002K
QS 901
2N7002K
+
C
S
9
0
3
1
0
V
/1
0
0
0
u
F
+
C
S
9
0
3
1
0
V
/1
0
0
0
u
F
P
C
M
8
0
2
S
A
E
T
V
8
1
7
S
P
C
M
8
0
2
S
A
E
T
V
8
1
7
S
1
2
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