Instruction manual

Simrad GC80/GC85 Compact Gyro Compass
30 20221511 / C
4.8 Replacing the Fuses
WARNING Before a fuse is replaced, ensure that both
the main power and the emergency power
are disconnected from the unit.
Use the procedures described in the following pages when
replacing the fuses.
Master Compass
Fuse F1 is located inside the fuse holder in the front of the
Master compass.
1. Open the fuse holder by pressing and turning the fuse
holder edge counter-clockwise with a screw driver.
2. Replace fuse F1, and close the holder by turning it
clockwise.
Compact Control unit
FUSE NO CAPACITY TB-NO SIGNAL DESCRIPTION
F1 TB1-33 1R24+ Power supply for ch.1 serial repeater
F2 TB1-38 2R24+ Power supply for ch.2 serial repeater
F3 TB1-43 3R24+ Power supply for ch.3 serial repeater
F4 TB1-48 4R24+ Power supply for ch.4 serial repeater
F5
1A
TB1-21 ST15 Power supply for ch.1 step motor repeater
F6 10A TB3-1 24M+
Main power supply (standard type)
Master compass power supply (with Power
supply unit
F7 3.15A TB3-3 24B+ Power supply for ICIF and IOPT board (with
Power supply unit)
F8 6.3A TB2-1 24R+ Power supply for repeaters (with Power
supply unit)
F9 10A TB3-5 24BT+ Emergency power supply (standard type)
F1 (12A)