Smps-2 - Samsung MX-F870 Service Manual

6.14. SMPS-2

B+
RS80 7 RS80 7
RS81 2 RS81 2
RS80 9 RS80 9 RS80 8 RS80 8
NC NC NC NC
HS801 HEAT SINK
ICS8 01 ICS8 01
SQT6010K SQT6010K
BS8 01 BS8 01
1
Drain
BA355 0TO BA355 0TO
3
OCP
4
VCC
5
GND
6
FB
7
BR
OVP
Block
RS 912 RS 912
1K(1608) 1K(1608)
QS 902 QS 902
2N7002K 2N7002K
RS 914 RS 914
1K(1608) 1K(1608)
Copyright© 1995-2013 SAMSUNG. All rights reserved.
RS96 1 RS96 1
10 (32 16 ) 10 (32 16 )
10
11
TS 801 S
RS95 1 RS95 1
80 0W : EE2 52 0
10 0(32 16) 10 0(32 16)
9
12
RS80 1 RS80 1
NC NC
CS80 1 CS80 1
2W 100K 2W 100K
63 0V/10 nF 63 0V/10 nF
R-TYPE
5
NC NC
4
CS80 7 CS80 7
DS80 1 DS80 1
NC NC
UF4 00 7 UF4 00 7
3
8
C
13
DS80 2 DS80 2 RS80 5 RS80 5
HS1M HS1M
15 (32 16 ) 15 (32 16 )
1 6
M+12V
+ + 7
Block
2
DS 901 DS 901
MBRF 10200 MBRF 10200
7
13
A+5.3V
Block
DS 902 DS 902
BAV70 BAV70
CY803S CY803S
400V/330pF 400V/330pF
QS961 QS961
DS96 1 SS2 10 DS96 1 SS2 10
KTC3228 KTC3228
RS96 2 RS96 2
1K(160 8) 1K(160 8) RS964 RS964
QS962 QS962
1K(1608) 1K(1608)
MMBT290 7A MMBT290 7A
+ +
CS96 1 CS96 1
RS965 RS965
RS96 3 RS96 3
25 V/47 0uF 25 V/47 0uF
1.8K(32 16 ) 1.8K(32 16 )
2K(201 2) 2K(201 2)
RS955 RS955
10 (32 16 ) 10 (32 16 )
QS951 QS951
DS95 1 DS95 1
KTC3228 KTC3228
BS9 51 BS9 51
HS1M HS1M
0R(20 12 ) 0R(20 12 )
QS952 QS952
MMBT290 7A MMBT290 7A
RS95 2 RS95 2 RS953 RS953
2.2K(16 08 ) 2.2K(16 08 ) 1K(1608) 1K(1608)
DS93 1 DS93 1
QS931 QS931
UF4 00 7 UF4 00 7
KTC3228 KTC3228
2
VIN
RS93 2 RS93 2
QS932 QS932
2.1K(16 08 ) 2.1K(16 08 )
MMBT29 07A MMBT29 07A
CS93 4 CS93 4
N.C N.C
RS933 RS933
M+12V
1K(1608) 1K(1608)
DS92 1 DS92 1
SF 26 SF 26
1 2
IN
OUT
ICS 921 ICS 921 RS 923 RS 923
CS 925 CS 925 GND EN
KIA78R12P I KIA78R12P I
1K(1608) 1K(1608)
N.C N.C
3 4
+ CS 921 + CS 921
25V/1000uF 25V/1000uF
RS 922 RS 922
1K(1608) 1K(1608)
HS 901 HEAT S INK
LS 901 LS 901
2.9uH(1.2P I) 2.9uH(1.2P I)
RS 907 RS 907
1K(1608) 1K(1608)
P CS 901S A P CS 901S A
ETV817S ETV817S
+ +
+ +
RS 903 RS 903
2N7002K 2N7002K
5.1K(1608) 5.1K(1608)
CS 904 CS 904
50V/100nF(1608) 50V/100nF(1608)
ICS 901 ICS 901
TL431G-AE2-R TL431G-AE2-R
A
+VFD(+4V)
M+12V
-VFD(-4V)
ZDS9 51 ZDS9 51
MMSZ522 1B(2 .4V) MMSZ522 1B(2 .4V)
RS954 RS954
B-32V
0R ( 32 16 ) 0R ( 32 16 )
M+12V
GND
3
VOUT
B-5V
ICS9 31 ICS9 31
KIA79 05 KIA79 05
GND
M+12V
P S _ON
+ CS 923 + CS 923
25V/220uF 25V/220uF
GND
+5.3V
P S _ON
+ +
QS 901 QS 901
GND
6. Schematic Diagram
6-17