Samsung ML-2250/XBG Service Manual page 121

SMPS Circuit Diagram (2/3)
SW1
F1
250V5A
C1
474
AC IN TNR1
10D561
SSG-102-A1
CON1
R3
1W47
FUSIBLE
CON1
R5
C6
1/4W22
104
5V
R114
R106
1/4W150
1/4W150
R107
47K
CON6
CON3-3
CON3-1
CON3-2
Samsung Electronics
AR1
SSG-102-A1
LF1 F2 BD1
0610V 250V2A D3SBA60
R1
C4
C3
474
C2
R2
AR1 TH1
10D-13 GND-A
ZD1
1W130V
R6
1/2W2M U2
L1 IC-TOP246Y
100uH
2 6
L-L/S D-DRAIN
1
R7 C-CONT
1/2W10M
3
X-C/L
C5
R10
630V
1/4W6.8K
333K
U1
BTA12-600B
GND-A
R4
1W180
FUSIBLE
0 0
PC1
TLP3061F
R110
CON2-23
1/2W1.5K
FAN
CON2-11,12,13 +24VS
CON2-26 FUSER-ON
Q102
C1008-Y
5V
R112 R116
1/4W150 1/4W150
R115 R113 R117
47K 47K 47K
EXIT
CON2-25
CON2-1_
FEED SENSOR
OP102 OP101 OP103
KPI-512 KPI-512 SG-288
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C11 C12
472MAA*2
D103
200V3A*2
R8
D104
1
C11
11
630V
R13
103K
C7 1W100K
400V
100uF C102
RG35V
7,8
1000uF
R9
D5
UF4007
3
D101
40V3AX2
R12
4.7
D2 B1 D102
200V1A
PC2-1 R102
817 NU
5 7, 8
R11
6.8
C8
104 C9
6 C104
SG50V1uF 9, 10
WB16V1500uF
C10
SG16V47uF
CON3
+24VS
CON3-3
D105
CON3-2
1N4003
CON3-1
R108
Q101
KSC1008-Y
2.2K
R109
5.6K
TNR101
7D561
MANUAL
CON2-14
D GND
CON2-2_
ZD101 ZD102 ZD103
PAPER EMPTY
1W200VX3
D GND
SW2
CON2-11,12,13
SS-5GLD +24VS 2.0A
R111
C103
NU RG50V1uF
GND
CON2-9,10
CON2-3,4
B101 F101
+5V 1.5A
250V2A
R101
470
R105
2.71KF
PC2-2
817
C101
C105
RG10V470uF
R103
50V1uF
4.7K
R104
2.6KF
U101
431
GND
CON2-5,6
CON2-1_
CON2-2_
CON2-14
CON2-15
CON4 CON2-17
CON2-19
CON5-1 CON2-20
CON5-2 CON2-16
CON5-3 CON2-18
CON5-4 CON2-21
CON5-5 CON2-24
CON2-22
CON2-23
CON2-25
OPC1
CON2-26
ZG1
S C H E M ATIC DIAG R A M S
FEED SENSOR
PAPER EMPTY
MANUAL
THV READ
THV PWM
BIAS PWM
THV EA
LED READY
LED ERROR
LED TONER SAVE
KEY DEMO
MHV PWM
FAN
EXIT
FUESR ON
Service Manual
11-13