Xerox Phaser 3300 - Control Board to Modem Board, USB Host Board

Phaser 3300MFP Service Manual 10-13
Wiring Diagrams
Control Board to Modem Board, USB Host Board
Control
Board
CN27
+3.3VDC
+5VDC
+5VDC
+5VDC
s3300mfp-179
CN1
CN2
Modem Board
D(31)
D(30)
D(29)
D(28)
D(27)
D(26)
D(25)
D(24)
GND
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
+5VDC
+5VDC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
GND
GND
GND
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
nCS_MODEM
nRD
N.C.
KEYCLICK
nRST_MODEM
nINT_MODEM
GND
+3.3VDC
+3.3VDC
nWR
CN6
CN2
USB Host Board
GND
GND
DM
DP
5
4
3
2
1
GND
GND
GND
1
2
3
4
5
6
DM
DP
+5VDC
MJ1
1
2
3
4
MJ2
1
2
3
4
1
2