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Schematic Diagrams
Main Circuit Diagram(5/5)
1
A
PANNEL
CN12-1
DF11-10DP-2DSA
1
2
3
4
5
6
7
8
9
10
B
GND5
+5V
DCU
CN8-1
GIL-S-4P-S2T2-EF
1
2
3
4
GND5
C
+5V
PTL
CN10-1
1
2
35303-0250
KSC1623-G
D
COVER OPEN S/W
CN11-1
1
2
3
35301-0350
E
THERMISTOR
CN9-1
1
2
35301-0250
F
1
Samsung Electronics
2
3
+5V
F7
STS104B
3
1
2
LSU
GND5
CN7-1
L2
LED_ERROR
L3
LED_PAPER
L4
LED_DATA
L5
LED_TONER
L6
*KEY_TONER
L7
*KEY_CANCEL
L8
*KEY_DEMO
DCU_DATA
DCU_CLK
C43
C44
1nF
1nF
ENGINE
GND5
GND5
+5V
R72
33
R14
5.6K
R123
3
100
Q4
1
PTL
2
GND5
24V
+24VS
BD4
BD3
BEAD
BEAD
C131
22pF
OSC6
2.386646MHz
C132
22pF
THERM_A
THERM_B
GND5
EXT_CLK
2
3
4
5
F8
24V
+24VS
+5V
STS104B
1
3
+5V
+5V
2
C120
C121
100nF
R88
100nF
10K
F1
GND24
STS104B
3
1
2
1
2
GND5
3
4
5
6
7
8
9
10
11
C122
100nF
C61
C26
C41
C118
1nF
1nF
100pF
10nF
KSC1623-G
(N.C)
3
GND5
GND5
2
GND5
GND24
GND24
+5V
+24VS
+5V
R89
10K
12
R73
150
13
R74
150
14
15
R75
150
R76
150
16
17
18
19
20
21
22
23
24
25
26
C114
27
10nF
28
C27
C28
C42
1nF
1nF
1nF
GND24
GND5
GND5
B8
U14
B11
9
7
R127
1K
*O
Q4
10
5
O
Q5
11
4
*I
Q6
6
INSTPAR
Q7
R126
12
14
F9
CLR
Q8
1M
+5V
13
STS104B
Q9
15
Q10
1
3
16
1
VCC
Q12
2
Q13
8
3
GND
Q14
R130
2
100
CD74HC4060F
GND5
C133
100nF
GND5
C136
1nF
GND5
4
5
6
7
+5V
R77
R95
10K
10K
*LREADY
LSU_CLK
GND5
*HSYNC
U13-1
DM7406MX
14
*LD_ON
2
SH_CLK
7
C62
100pF
Q3
GND5
GND5
1
R78
10K
PMOTOR
R90
R91
R92
R93
R94
10K
10K
10K
10K
10K
CLUTCH
FAN
DEV_FUSE
*NEW_DEVE
*EGMOT_A0
*EGMOT_A1
EGMOT_PHA
*EGMOT_B0
*EGMOT_B1
EGMOT_PHB
C115
C29
C116
C117
C30
10nF
1nF
10nF
10nF
1nF
GND5
+5V
R133
10K
R129
100
SH_CLK
C134
+5V
100pF
R132
GND5
10K
R125
B10
R112
33
100
LSU_CLK
R131
C135
100
1nF
Engineer:
GND5
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
DATE : 2000.04.14
6
7
8
A
+5V
+5V
C123
R111
100nF
10K
U13-2
DM7406MX
4
1
3
VDO
B
C67
100pF
GND5
C
D
E
SAMSUNG
PRINTER DIV
F
APOLLO
Size:
TITLE:
A3
ML-4500
Drawing Number:
REV: 0.2
Page: 5
8
10-5
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