Smps-2 - Samsung MX-F730 Service Manual

6.9. SMPS-2

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