TM 11-6625-928-35
c. Radio Test Circuit Troubleshooting Chart (fig. 6-1 and S-2) (cent).
Itew No.
Trouble symptom
Probable trouble
Checks
and
corrective
measures
20
Unable to monitor antenna
a . Defective switch S2.
a. Check continuity of switch S2
tuner test 1-5 MHz signal
and replace if necessary (E,
from RADIO TEST OUT-
PUT connector J18 with
b. Check continuity of associated
signal applied to RADIO
b . Defective wiring.
wiring and replace if necessary
SET NO. 1 connector
(E, fig. s-2).
J1-M and RADIO TEST
c . Defective cable CX-10889/U or
switch S2 set to 10.
CX-ll985/AR.
l0889/U and/or CX-11985/AR.
Replace if necessary (para
21
Unable to monitor antenna
a. Defective switch S2.
a. Check continuity of switch S2
tuner test 6-10 MHz
and replace if necessary (E,
signal from RADIO TEST
OUTPUT connector J18
b . Defective wiring.
b. Check continuity of associated
with signal applied to
tiring and replace if necessary
RADIO SET NO. 1 con-
(E, fig. 5-2).
nector J1-W and RADIO
c . Defective cable CX-l0889/U or
TEST switch S2 set to 11.
CX-11985/AR.
10889/U and/or CX-l1985/AR.
Replace if necessary (para
a . Defective wiring or
22
Unable to monitor X-
unaltered test set.
mode transmit audio
quired.
at J1-J when RADIO
b . Check for jumper be-
b . Defective switch S2.
TEST switch S2 set
tween S2A-3 and S2A-
to 3.
5; repair as required.
a. Defective Interconnecting Box
23
Cannot test AN/ARC-186(V)
J-4247/AR.
Radio Set
ponents as required.
b. Defective Mk-994/AR.
3-16). Repair/replace defective com-
ponents as required.
3-4.1
Change 8
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