Oki OKIFAX 5400 Maintenance Manual page 296

E17
CPU
OPSDR-N
OPCLK-N (156.25 kHz)
OPSD-N
0 VP
+30 V
+5 V
SGND
Figure A3.1.14 Interface between E17 Board and 2'nd Tray
40838301TH Rev.1
2'nd tray (option)
X'tal
4 MHz
CN14 CN1
4
CPU: LC6543
ROM: 2 k x 8 bit
2 RAM: 128 x 4 bit
3
5
0 VP
6
+30 V
8
+5 V
7
SGND
A3 - 15
Transistor
1
2
Motor drive
3
4
E17
Motor
M
Inlet sensor
Paper end sensor