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6. MAINTENANCE, TROUBLESHOOTING
6-3
WARNING
Use the proper fuse.
Use of a wrong fuse can result in damage
to the equipment or cause fire.
6.2 Life Expectancy of Major Parts
Parts Type Life expectancy Remarks
Antenna motor D8G-516 (24 rpm, X-band)
D8G-571 (42 rpm, X-band)
GOB-8222 (18/22 rpm, X-band, 200 VAC)
RM-6585 (18/22 rpm, X-band, 24 VDC)
RM-7398 (21/26 rpm, S-band)
RM-7435 (21/26 rpm, S-band)
RM-9519 (45 rpm, S-band)
RM-9520 (45 rpm, S-band)
RM-9521 (45 rpm, S-band)
Gears more than
10,000 h
Wind load
100 kt
Magnetron 9M31(F) (X-band, 50 kW)
MAF-1425B (X-band, 12 kW)
MG4010 (X-band, 12 kW)
MG5240 F (S-band, 60 kW)
MG5436 (X-band, 25 kW)
MG5223F (S-band, 30 kW)
2,000 - 3,000 h
Backlight Unit for
Display Unit
MU-201CR
201LHS2F 45,000 h(25°C)
30,000 h(50°C)
Cold Cathode
Fluorescent Lamp
for Display Unit
MU-231CR
FLCL-23 50,000 h(25°C)
35,000 h(50°C)
6.3 Replacing the Fuse
The fuse at the rear of the processor unit
in the display unit protects the equipment
from overcurrent (overvoltage in case of
AC set) and equipment fault. If you cannot
turn on the power, first check the fuse.
Find the cause of the trouble before
replacing the fuse. Be sure to use the
proper fuse. Use of a wrong fuse can
seriously damage the equipment and void
the warranty.
Ship’s mains and fuse to use
Unit Power Fuse to use
24 VDC 20A
100-115 VAC 10A
Processor Unit
220-230 VAC 5A
100-115 VAC 5A
Power Supply Unit PSU-006
220-230 VAC 3A
100-230 VAC 2A
Display Unit MU-201CR
24 VDC 5A
100-230 VAC 2A
Display Unit MU-231CR
24 VDC 6A