Oki OKIPAGE 12i Series, Service Handbook

Page: 132 / 226

7 - 6
• HEAD1 Connector Pin Assignment
(To LED head)
• HEAD2 Connector Pin Assignment
(To LED head)
1
3
5
7
9
11
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
O
C
O
O
C
O
O
C
O
O
C
O
C
Signal Description
0VLOGIC
HDCLK-P
0VLOGIC
HDD2-P
HDD3-P
0VLED
HDD0-P
HDD1-P
+3.3V
HDDLD-P
HDSTB1-N
HDSTB2-N
HDSTB3-N
HDSTB4-N
Ground for Logic
Clock
Ground for Logic
Data 2
Data 3
Ground for LED
Data 0
Data 1
+3.3V power supply for LED driving
Load
Strobe 1
Strobe 2
Strobe 3
Strobe 4
PIN NO. I/O*
2
4
6
8
10
12
14
* O: Out
C: Common
1
3
5
7
9
11
1
2
3
4
5
6
7
8
9
10
11
12
O
O
O
O
O
O
C
C
C
C
C
C
Signal Description
+3.3V
PIN NO. I/O*
2
4
6
8
10
12
OVLED
FG
+3.3V power supply for
LED driving
Ground for LED
FG
* O: Out
C: Common