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Page Title:
PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR SINCGARS RADIOS |
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|  TM 11-5820-890-10-8
Item
Item to
Not Fully Mission
Operator
Nr
When
Check/Service
Procedure
Capable IF:
4
Before
POWER:
Manpack
Main battery is missing and
a.
Check for presence
a.
of main battery.
cannot be replaced.
Vehicular
b.
Check for availability
b.
No vehicle power and cannot
of vehicle power
be corrected.
Either radio
Move COMSEC from
c.
RT display does not light.
C.
Z to PT, adjust DIM,
move FCTN from
OFF to Z-FH, check
that RT display
lights.
5
Before
SELF-TEST:
With FCTN in Z-FH,
a.
RT display does not show
a.
check that display
"GOOD."
shows "GOOD."
b.
COMSEC alarm will not clear.
b.
Move COMSEC to
CT and check that
alarm will clear.
Move FCTN to TST
c.
Self-test ends with other
C.
and check that RT
than "GOOD."
display shows
"GOOD" at end.
6
Before
KEYPAD:
With RT set to CT, SC, LD,
and channel shown:
Press FREQ, CLR,
a.
Any test frequency (0-9)
a.
cannot be entered in RT
and enter test
frequency:
31000
CUE:
MAN:
32000
CHAN 1: 43000
CHAN 2: 54000
CHAN 3: 65000
CHAN 4: 76000
CHAN 5: 87000
CHAN 6: 87975
Any test frequency (0-9)
Press STO for each
b.
b.
cannot be stored in RT.
entry.
8-5
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