Chapter 2. Pcb Details; Input/Output Signals - Raytheon ST7000+ Service Manual

Chapter 2. PCB details

2.1 Input/Output signals

(refer to Figure 2. ST7000+ Autopilot Control Head circuit diagram)
4 ST7000+ Autopilot Control Head Service Manual 83141-1
Wire colour Circuit diagram
reference
Red P1/P4
Yellow P3/P6
Screen P2/P5
Red P7
Blue P8
ST7000+ Autopilot Control Head
Description
+12V nominal DC supply.
SeaTalk data.
Intermittent streams of +12V (nominal) pulses.
0V supply and signal return.
NMEA in. Data positive.
NMEA in. Data negative.