Chapter 2. Pcb Details; Input/Output Signals - Raytheon ST6000 Plus Service Manual

Chapter 2. PCB details

2.1 Input/Output signals

(refer to Figure 2. ST6000 Plus Autopilot Control Head circuit diagram)
4 ST6000 Plus Autopilot Control Head Service Manual 83117-1
Light Grey Fascia with CURVED window (these units will have a clear 'window
insert' (Item 4) fitted between the LCD surround (Item 5) and the Fascia window) -
use spare no. A18018.
This spare consists of a flat window fascia (Item 1A), latest LCD surround (Item 5A)
and a set of latest labels (Item 3A).
Discard the window insert (Item 4) and label (Item3) fitted. Select the appropriate
label (ST4000+, ST5000+ or ST6000+)
If the LCD surround fitted has two 'pips' and a horizontal rib (Item 5), replace with
the latest LCD surround (Item 5A) supplied.
Light Grey Fascia with FLAT window (these units will NOT have a clear 'insert'
fitted) - use spare no. A18018. Fit fascia only.
Flush Light Grey Fascia - use spare no. A18030. This is a straight replacement; the
spare consists of the fascia only.
LCD Surround replacement for fascias with
curved windows
Double sided tape
5A
4
Pin No. Signal
PL1/1 +12V
PL1/2 0V in
PL1/3 SeaTalk
PL2/1 +12V
PL2/2 0V in
PL2/3 SeaTalk
NMEA in+ NMEA+
NMEA in– NMEA–
ST6000 Plus Autopilot Control Head
Place double sided tape to the latest LCD Surround (Item5A)
and carefully position the Window Insert (Item 4) to the LCD surround.
Note: Double sided tape is used as an assembly aid only.
Description
Nominal 12V dc
0V
Intermittent streams of (nominal) 12V pulses
Nominal 12V dc
0V
Intermittent streams of (nominal) 12V pulses
Intermittent streams of (nominal) 12V pulses
0V
D4600-1