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Schematic Diagrams
10. Schematic Diagrams
10-1 Main Circuit Diagram(1/5)
1
SMPS
CN4-1
A
B
C
HVPS
CN5-1
D
E
PAPER SENSOR
CN1-1
F
1
Samsung Electronics
2
3
24V
+5V
+24VS
1
C7
2
C100
C101
C102
100uF
C99
C6
100nF
100nF
100nF
3
100uF
50V
4
16V
100nF
5
6
GND24
GND24
GND24
7
8
FUSER_ON
9
*EXIT
10
11
12
13
14
15
GND5
GND24
+5V
+5V
+5V
+5V
+5V
D6
U11-5
R110
R106
R109
R108
74F14
1K
10K
1K
+5V
+24VS
1K
MMSD914T1
10
11
R65
33K
1
2
3
4
U11-4
5
74F14
6
7
8
9
8
9
U11-6
74F14
12
13
GND24
GND5
MMSD914T1
C39
C38
C52
D7
C68
C51
1nF
1nF
1nF
1nF
1nF
GND5
GND5
GND5
GND5
GND5
GND5
+5V
1
2
3
4
C36
C37
1nF
1nF
GND5
GND5
GND5
2
3
4
5
+5V
*STBIN
PPD(0:7)
R119
PPD(0)
PPD(1)
PPD(2)
PPD(3)
PPD(4)
PPD(5)
PPD(6)
PPD(7)
C46
C53
C54
C55
C56
1nF
220pF
220pF
220pF
220pF
SEN_5V
THVPWM
R56
R57
R54
R58
R59
5.1K
5.1K
5.1K
5.1K
5.1K
*THV_EA
THVREAD
*ACK
BUSY
PERROR
SELECT
R62
200
*AUTOFD
R63
200
*INIT
*FAULT
*MHV
R64
200
*SLCTIN
C63
C64
C73
C74
C70
BIASPWM
470pF
470pF
470pF
100pF
100pF
GND5
*PEMPTY
*FEED
4
5
6
7
F2
SEN_5V
STS104B
1
3
C2
22uF
2
16V
GND5
GND5
R31
R32
R33
R34
R35
R36
1K
1K
1K
1K
1K
100
C57
C58
C59
C60
220pF
220pF
220pF
220pF
U12
74F1071SCX
1
2
3
4
5
7
8
9
10
C1
C2
C3
C4
C5
C6
C7
C8
C9
6
GND
16
GND5
GND
GND5
C10 C11
C12 C13
C14 C15
C16 C17
C18
GND5
11
12
13
14
15
17
18
19
20
R60
R61
R55
5.1K
5.1K
5.1K
R49
39
R50
39
R51
39
R52
39
R53
39
SEN_5V
C71
C72
C69
470pF 470pF
470pF
R41
1K
Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
DATE : 2000.04.14
6
7
8
A
B
R37
R38
R39
R40
1K
1K
1K
1K
1K
CN3-1
1
2
3
4
5
6
7
8
9
10
11
12
C
13
14
15
16
17
18
19
20
FGND
21
22
23
24
25
26
27
28
29
30
31
32
D
33
34
35
36
GND5
E
SAMSUNG
PRINTER DIV
F
APOLLO
Size:
TITLE:
A3
ML-4500
Drawing Number:
REV: 0.2
Page: 1
8
10-1
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