Simrad Robertson AP9 Mk3 - Page 180

Robertson AP9 MK3 Autopilot
8-4 20169223D
14
AP9 MK3
4
5
6
7
8
9
10
_
_
13
12
J3
EXITATION
+8V
SERIAL I/P HI
V/2
SIN 2
COS 2
SCREEN
J3
3
1
2
To
J4, 1-2
+8V
ULN2003
IC18C
IN4148
D23
100 ohm 1W
+14V
IC1
78L08
D10
+8V
+
_
300VDC
+
_
300VDC
OPTOCOUPLER
+
_
300VDC
IC17-D
PC849
SERIAL I/P LO
1A
1B
2A
2B
3A
3B
STEPPER
BR1
BR2
BR3
WO6F
WO6F
WO6F
11
+
+
Fig. 8-3
J3 - Input/Output signal references