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MX-M700N LSU SECTION i – 1
MX-M700N
5GTXKEG/CPWCN
[i]
LSU SECTION
1. Electrical and mechanism relation diagram
Code
Signal
name
Name
Type
Function/Operation
NOTE
PGM
PGM
Polygon mirror (motor)
Reflects laser beams at the constant rotation speed
BD
BD PWB
Detects the laser scan start timing
This device is used to detect a laser trouble
No.
Name
Function/Operation
1
Laser control PWB
Controls laser beam flashing and the output value
2
Cylindrical lens
Converges laser beams to focus
3
Incidence reflection mirror
Assures the optical path for laser beams
4
No. 1 mirror
Assures the optical path for laser beams
5
f
T
lens 1
Deflects laser beams so that the laser scan speeds on the both ends of the drum and that at the center
of the drum are the same
6
f
T
lens 2
7
BD mirror
Assures the optical path for laser beams to the BD PWB
8
No. 2 mirror
Assures the optical path for laser beams
9
Plane lens
Converges laser beams to focus
10
Collective lens for BD
Converges laser beams on to the BD PWB
No.
Name
Code
Function/Operation
RW
Control signal
+5VLD
5V power for laser diode
RW
Control signal
/READY
Polygon mirror motor READY signal ("L" in the constant speed rotation)
RW
Control signal
/PMCLK
Clock signal for driving the polygon mirror motor
RW
Control signal
/START
Polygon mirror motor drive start signal
RW
Control signal
/VIDEO
VIDEO (Image signal)
RW
Control signal
/SYNC
Sync signal (SYNC) from BD, sync signal for 1 line
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
12
11
10
12
11
10
13
14
15
16
17
18
13
14
15
16
17
18
4
3
2
1
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BD
PGM
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
GND2
GND2
GND2
GND2
GND2
GND2
/LDON
LSU S/H
/SYNC
+5V2
+5V2
CN-22
B30B-PHDSS-B
VIDEO
/VIDEO
GND2
GND2
GND2
GND2
GND2
/LDON
LSU S/H
/SYNC
/VIDEO
VIDEO
GND2
SMP-18V-NC/SMR-18V-N
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
+5V2
+5V2
LD PWB
GND2
/SYNC
GND2
/PMCLK
/START
GND2
+24V1
/READY
B6B-PH-K-S
B30B-PHDSS-B
GND2
GND2
+5VLD
GND2
/PMCLK
/READY
/START
+24V1
+24V1
GND2
GND2
VRB
GND2
GND2
GND2
GND2
GND2
GND2
GND2
/LDON
/VIDEO
VIDEO
LSU S/H
/SYNC
+5V2
+5V2
+5V2
LSU UNIT
SMP-12V-NC/SMR-12V-N
TEST
TEST
TEST
(NC)
(NC)
TEST2
TEST3
TEST2
TEST3
TEST3
TEST2
/BRAKE
/BRAKE
CN-2
B4B-PH-K-S
PCU PWB
CN-1
CN-3
CN-6
CN-6
CN-8
CN-8
MOTHER
PWB
MFP
CONTROL
PWB
1
2
3
4
5
6
8
9
10
7