Connection Diagram - Xerox Phaser 3120 Service Manual

7
7

7. Connection Diagram

7.1 Phaser 3130
HOST
COMPUTER
THERMISTOR
MOTOR
DCU
IEEE1284
COMOPATIABLE 38 PIN
CABLE
37
38
6 PIN
USB CABLE
CONNECTOR
for USB
5
6
PCL MAIN BOARD
FR-4, 4LAYER
THER 1
1
1
CN8
THER 2
2 2
A
1
1 1
B
2 2 2
A/
CN10
3 3 3
B/
4
4 4
+3.3V
1 1
DCU_DATA
2
2
CN3
DCU_CLK
3
3
GND
4 4
LSUCLK
1
nLREADY
2
nPMOTOR
3
GND
4
24VS
CN5
5
*HSYNC
CN9
6
5V
7
GND
8
nLD_ON
9
VDO
1 0
GND
1 1
+3.3V
1
CN11
PTL
2
CN14
+24V
1
CN12
MP_CLUTCH
2
+24V
CN6
1
MAIN_CLUTCH
2
P_EMPTY
1
P_FEED
2
3.3V
3
3.3V
4
3.3V GND
5
3.3V GND
6
5V
7
3.3V GND
8
3.3V GND
9
3.3V GND
10
24VS
11
24VS
12
CN13
MP_EMPTY
13
24VS
14
LED_READY
15
THV_READ
16
LED_ERROR
17
THV_PWM
18
THV_EN
19
BIAS_PWM
20
MHV_PWM
21
LED_TONER SAVE
22
KEY_DEMO
23
FAN
24
FUSER
25
P_EXIT
26
CONNECTION DIAGRAM
1
POLYGON
2
MOTOR
3
4
5
LSU
1
2
3
LD
4
5
DIODE
6
1
PTL LED ARRAY
2
1
Manual Clutch
2
1
Main Clutch
2
2
1
4
3
6
SMPS
5
8
7
10
9
12
11
14
13
16
FAN
15
18
17
PANEL
20
HVPS
19
22
21
24
23
26
25
CN5
Service Manual
7-1