Simrad Robertson AP9 Mk3 Instruction Manual page 180

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