NAVIGAT X Mk 2
056341 Rev. AA
7: Troubleshooting / Corrective Maintenance
Page 7-3
7.2.2
Connectors, Socketed ICs, Test Resistor, Potentiometers
Fig. 7–2:
location of connectors,
socketed ICs ,
test resistor and adjusta-
ble potentiometers
TB/J
to/from
TB 1
24VDC main and backup supply power
TB 2
serial repeaters 1-4 (supply power and data outputs),
relay status outputs (hdg. diff., pwr. fail.),
status inputs (Auto/Man, G/M, Mute),
200 pulse/nm speed input,
analogue ROT output
TB 3
RS-422 serial data outputs,
serial data inputs,
6 step/° output
TB 4
follow-up step motor
J 1
shaft encoder
J 2
ventilation fan
J 3
gyrosphere power supply and phase bridge contacts
J 4
keypad ribbon connector
J 5
RS-232 service port (factory use only)
J 7
internal jumper alarm buzzer/LED (must be jumpered for buzzer)
Содержание Sperry Marine NAVIGAT X MK 2
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