Xerox Phaser 3120 User Manual

8-17
SCHEMATIC DIAGRAMS
Service Manual
8.4 SMPS Circuit Diagram
C110
NU
3
C105
50V 33uF
D6
D1NL20U
CON2-22(LED-DATA)
C8
471
U101
TL431
2
3
1
R5
2W
100K
4
F101
CON2-16(THV-PWM)
9
DSS-401M
C7
50V
33uF
NO MARKING RESISTOR 1/8W-J(5%)
C6
1KV 103
CON2-25(FUSER-ON)
R106
1/2W 3.3K
C101
1KV 102
CON2-14,16(+24VS)
R108
22
5
EER2828
AR1
R107
1/2W 3.3K
CON2-23(KEY-DEMO)
R11
1W 47
FUSIBLE
F1
250V 5A
CON2-18(THV-READ)
Vin
CON2-26(EXIT)
R112
5.6K-F
INLET1
R7
6.8K
SW1
SW SPST
R6
30
CON2-24(FAN)
NU
CON2-25(*FUSER-ON)
GND
CON2-19(MHV-PWM)
GND
D103,104
40V 3A*2
C104
NU
CON2-20(BIAS-PWM)
CON2-13,14
D5
UF4007
R111
1.8K-F
1
CON1
1
2
R113
NU
Source
10
+24VS
F2
250V 2A
Drain
C103
35V
47uF
PT1
C106
1KV 102
11
R8
680
CON2-10,11,12
STR-G6353
R101
22
C10
630V
333
LF2
2003
CON2-7,8,9
OCP/FB
C2
222MAD
PWM CONTROL
DGND
R110
220
R2
1/4W75K
D101,102
200V 3A*2
U2
TH1
SCK-054
+3.3V1.0A
R9
1W0.6
R12
1W 180
FUSIBLE
R3
1/4W75K
DSS-401M
R105
1/2W 3.3K
C4
104
C3
222MAD
BD1
SW2
LF1
1007
CON2-1,2,3
C108
50V1uF
C12
332MAD
AR2
L1
300uH
+24V2.0A
2
C107
10V
1000uF
U1
BTA12-600B
8
C1
224
1
C11
50V
104
PC102
TLP3061S
L101
10uH
C9
NU
1
R1
1/2W
560K
R109
NU
C5
400V
100uF
R104
1/2W 3.3K
2
SS-5GL2
CON2-15(MANUAL)
6
R114
1/2W
1.5K
CON2-4,5,6
TNR1
10D561K
R102
1/2W 3.3K
3
PC101-B
817M-B
3
-+
D1,2,3,4
600V2A*4
C109
10V
470uF
CON2-21(LED-ERROR)
C102
35V
1000uF
R13
1/4W 22
4
PC101-A
817M-B
R4
1/4W75K
R103
1/2W 3.3K
CON2-17(THV-EA)

Xerox Phaser 3120 Specifications

General

Brand	Xerox
Model	Phaser 3120
Category	Printer
Language	English