Autohelm
Autohelm
Autohelm
Autohelm
SeaTalk Service Manual
2
1. Course Computer PCB Circuit Description;-
Circuit diagram Fig. 1.
PCB assembly/parts list Fig. 2.
1.1. Power Supplies
Incoming power is routed to the PCB via the 'D' connector plug PL1. VI provides
suppression against any voltage spikes present on the incoming DC supply whilst D6
protects against reverse connection of the supply. 1C 1 is a 5V regulator and can
also reset the microprocessor, via TR9, should the supply voltage fall below 6V.
TR17, C19, D13, R92 and R91 form an 8V regulator to supply the windvane.
1.2. Microprocessor and Program Memory
IC2 is an Intel 80C32 microprocessor. It can access up to 32k bytes of program
memory (IC7) via the latch IC6. A clock signal for the microprocessor is provided by
an 11 MHz ceramic resonator (XL1) and associated capacitors C15 and C16. C14,
18 and 17 provide decoupling.
1.3. Analogue to Digital Converter
IC3,4,5 and 9 form a software driven analogue to digital converter. IC3 and IC9 are 8
channel multiplexed analogue switches routing all analogue signals, (see table
below), through to IC4 which is configured as an integrator. C9 is discharged at a
constant rate triggering the comparator IC5 as it reaches a level of approximately
0.53V. The output of the comparator is connected to the microprocessor thus
measuring the discharge time which is proportional to the analogue input.
Analogue Channels;-
IC3
Channel 0
Reset integrator
Channel 1
Integrator discharge signal
Channel 2
Fluxgate sense A
Channel 3
Fluxgate sense B
Channel 4
Motor Feedback 1
Channel 5
Motor Feedback 2
Channel 6
Windvane sense 1
Channel 7
Windvane sense 2
IC9
Channel 0
Alarm sense 1
Channel 1
Alarm sense 2
Channel 2
Rudder Reference
Channel 3
Supply Monitor
Channel 4
Rate Gyro sense
Channel 5
Gyro Compass sense
Channel
6 Joystick
Channel 7
Not used
Содержание Autohelm ST6000
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Страница 5: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 ST7000 Basic System 1 Service Procedures ...
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Страница 27: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Z082 Control Unit 1 Service Procedures ...
Страница 31: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Control Unit General Assembly Z082 Fig 1 ...
Страница 32: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 6 LCD Display Assembly Fig 2 ...
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Страница 41: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Fig 1 Z082 Control Unit Circuit Diagram ISS C ...
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Страница 108: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 6 4 Z124 Control Unit Functional Test ...
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Страница 115: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 ST6000 Z124 Control Unit Circuit Diagram ISS E ...
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Страница 119: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 ST6000 Course Computer Z123 1 Service Procedures ...
Страница 122: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 4 Course Computers Z083 Z084 General Assembly ...
Страница 124: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 6 4 1 Course Computer Bench Testing Stage 1 ...
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Страница 133: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 ST6000 Z123 Course Computer Circuit Diagram ISS A ...
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Страница 139: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Type CR Interface Box Z085 1 Service Procedures ...
Страница 145: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 3 Fig 1 Z085 Type CR Interface Box Circuit Diagram ISS B ...
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Страница 147: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Fig 2 Z085 Type CR Interface Box PCB Assembly ISS B ...
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Страница 151: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Rudder Reference Transducer Z131 Service Procedures ...
Страница 154: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 4 Z131 Rudder Reference Body Assembly ...
Страница 155: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Z131 Rudder Reference General Assembly ...
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Страница 157: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Fluxgate Compass Transducer Z130 Service Procedures ...
Страница 160: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 4 Z130 Fluxgate General Assembly ...
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Страница 165: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Fluxgate Compass Z105 ...
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Страница 169: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Rudder Reference Transducer Z060 ...
Страница 172: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 4 Fig 1 Rudder Reference Unit Standard Installation ...
Страница 173: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Fig 2 Adjusting Centre Position ...
Страница 179: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 5 Z080 Masthead Transducer General Assembly ...
Страница 180: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 6 Z050 Mount Assembly ...
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Страница 191: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Rotary Drive Units Z028 Z031 Z037 ...
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Страница 207: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 9 Fig 3 Type 0 Piston Pump Bleeding ...
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Страница 209: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 1 Inboard Outboard Drive Unit Z088 Service Procedures ...
Страница 211: ...Autohelm Autohelm Autohelm Autohelm SeaTalk Service Manual 3 Fig 1 I O Drive Unit Exploded View Z088 ...