Control Board To Modem Board, Usb Host Board - Xerox Phaser 3300 Servce Manual

Control Board to Modem Board, USB Host Board

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