Samsung SCX-4521F Series - SMPS (1;2)

Schematic Diagram
Service Manual
10-13
This Document can not be used without Samsung’s authorization.
Samsung Electronics
A A
B B
C C
D D
1
1
2
2
3
3
4
4
SUN-KOREAELECTRONICCO.,LTD
Title
Drw.No
Ref. No
Rev.
DESIGNED CHECKEDAPPROVED
Size Date of
WHITNEY PLUS-V1
SMPS
.rev.
A3 2005/04/19 1 1
SW1
F1
250V8A
U1
BTA16-600B
R2
R12
1/2W180
C12
630V333K
F101
250V2A
D103
C11
222
C104
1KV102
C105
10V1500uF
C107
10V470uF
R1
1/2W560K*2
R6
R7
D1
UF4007
R8
2W100K
LF1
0610V
B102
BFS3550
ZD101ZD102
AR2
SSG-102-A1
R10
50m
R11
1/2W47
TNR1
10D221K
R13
50m
R110
220
U101
KA431AZ
R111
2.7K-F
R112
2.7K-F
PC101-A
817M-B
ZD103
Z10-200B*3
TH1
10D-13
R4
R3
1/2W330K*2
GND-A
C41
104
R5
1/4W22K*3
C5
200V330uF
F102
250V4A
C106
50V105(MONO)
B1
BFS3550
C14
1KV101
L1
1018
C10
35V22uF
D2
200V1A
C9
1KV101
C102
35V680uF
R109
1K
PC101-B
817M-B
C8
333
GND-A
L101
4.7uH
F/G
R115
4.7K
R113
1W1.5K
R114
1K
Q101
KSC1008
R117
47K
OP101
KPI-512
C108
50V103
0 0
00
PC102
TLP3061F
AR1
SSG-102-A1
C3
684
LF2
0504V
F2
250V3.15A
C13
50V104
R14
1/4W100
R9
1/4W20
BD1
D3SBA60
C7
1KV221
C6
630V103
R104 5W1K R103 5W1K
J1
BFS3550
C1
102
C2
102
R116
1/4W150
B101
5*5-2.5H
C101
1KV222
D101
200V10A
B2
BFS2550
CON1
CON1
CON2-01
CON2-08
CON2-06
CON2-07
CON2-09
CON2-02__+24V_2A
SOLDER_MASK
CON2-04
CON2-02
CON2-03
CON2-05
CON2-03,04_+24VS1
CON2-05__+5V_1A
CON2-6,7__DGND
CON2-6,7__DGND
CON2-09(FUSER-ON)
5V
CON2-08(P_REGI)CON2-1(+24VS2)
AC IN
INLET1
CON1
NO MARKING RESISTOR 1/8W-J(5%)
12
46
+24VS2
+24V
+24VS1
1
2
3
6
4
9
7
PT1
D GND
+24VS1
+5V
P_REGI
FUESR_ON
DGND
DGND
D GND
2
1
3
SW2
8
40V3A
9
11
D GND
24
36
GND FB
VinSTR
1
Drain
5
NC
U2
FSDM07652R
D GND
3
4
D GND
2
1
WHITNEY PLUS-V1
SMPS (1/2)