Raytheon ST60, Service Manual

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Part 1. ST60 Instruments – Chapter 2. Depth
A22002
12 ST60 Instruments Service Manual 83142-1
ST60 Depth PCB details
Input/Output signals
(refer to Figure 3. ST60 Depth circuit diagram)
Rear case Signal Description
connection
A (Red) BATT+_2 Nominal 12V DC supply
B (Screen) BATT-_2 OV
C (Yellow) STALK_2 Intermittent streams of (nominal) 12V pulses
D (Red) BATT+ Nominal 12V DC supply
E (Screen) BATT- OV
F (Yellow) STALK Intermittent streams of (nominal) 12V pulses
G (Black) DEPTH- Intermittent pulses of 200KHz, approximately 400us wide, 300Vp-p
H (Blue) DEPTH+ Intermittent pulses of 200KHz, approximately 400us wide, 300Vp-p
J (Screen) DEPTH_GND OV
Rear case connections to ST60 Depth instrument
D4481-1
SP
EE
D
D
EP
TH
G
H
J
A
B
C D E
F