6. MAINTENANCE, TROUBLESHOOTING
6-3
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)
RM-6585 (22 rpm, X-band)
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-9520 (45 rpm, S-band)
Gear motor
10,000 h
Carbon brush
MG120-5X6X11 D8G (X-band) 2,000 h
Check for wear when
replacing magnetron.
Replace if worn.
Magnetron
MAF-1425B (X-band, 12 kW)
MG4010 (X-band, 12 kW)
MG5436 (X-band, 25 kW)
MG5223F (S-band, 30 kW)
4,000 h
4,000 h
4,000 h
7,000 h
Check no. of hours
used at Tx time. Reset
time after replacement.
Backlight Unit for
Display Unit
MU-201CR
201LHS2F
45,000 h (25°C)
30,000 h (50°C)
Replace when brilliance
is uneven or too low.
Cold Cathode
Fluorescent Lamp
for Display Unit
MU-231CR
FLCL-23
50,000 h (25°C)
35,000 h (50°C)
Replace when brilliance
is uneven or too low.
LCD assy.
(MU-170C)
856JAU1745V3 40,000
h
LCD assy.
(MU-190)
LQ190E1LX51 50,000
h
LCD assy.
(MU-231)
LQ231U1LW32 50,000
h
The life expectancy figures are typical values. Actual life depends on usage.
