TM 11-6625-928-35
Item
Trouble symptom
Checks and corrective measures
No.
Probable trouble
o. Defective relay K1.
13 Radio set under test does not switch to
necessary (B, fig. 5-2)
transmit mode of operation with
b. Defectivc switch S2.
b. Check continuity of switch S2 and
RADIO TEST switch S2 set to 4
replace if necessary (B adn E, fig.
and RADIO ANTENNA FUNC-
TION switch S1 set to XCVR.
c. Defective switch S1.
c. check continuity of switch S1 and
replace if necessary (B, fig. 5-2).
d. Check continuity of associated
d. Defective wiring.
wiring and replace if necessary (B
and E, fig. 5-2).
e. Defective cable W2, W3, W5, or
W6.
W5, and W6; replace if necessary
o. Defective switch S2.
a. Check continuity of switch S2 and
14 X-mode transmit audio not present
at RADIO SET NO. 1 connector
replace if necessary (E, fig. 5-2).
b. Defective wiring.
b. Check continuity of associated
J1-J with RADIO TEST switch S2
wiring and replace if necessary
set to 5, and audio generetor signal
(E, fig. 5-2).
applied to RAD1O TEST INPUT
c. Defective cable W2, W3, W5 or
connector J 17.
W6.
W5 and W6; replace if necessary
a . Defective relay K7.
15 Unable to disable tone modulation in
Radio Set AN/ARC-114 with
necessary (E, fig. 5-2).
b . Defective switch S2.
b. Check continuity of switch S2 and
RADIO TEST switch S2 set to 5.
replace if necessary (E, fig. 5-2),
c . Defective wiring.
c. Check continuity of associated
wiring and replace if necessary (E,
d . Defective cable W2 or W3.
W3; replace if necessary (para 3-7b)
a . Defective switch 82.
a. Check continuity of switch S2 and
16 Unable to monitor received audio signal
at RADIO TEST OUTPUT
replace if necessary (E, fig. 5-2).
b . Defective wiring.
b. Check continuity of associated
connector J18 with audio signal
applied to RADIO SET NO. 1
wiring and replace if necessary (E,
connector Jl-d, and RADIO TEST
e. Defective cable W2 W3, W5 or
switch S2 set to 6.
W3, W5 and W6; replace if necessary
W6.
a. Check R15 and CR1 on Al and
17
Guard receiver agc test signal or
replace if necessary (E, fig. S2).
CR1 on assembly Al.
receiver agc test signal (both + 6.8
b. Defective switch S2.
b. Check continuity of switch S2 and
0.5-volt levels) not present at
RADIO SET NO. 1 connector
replace if necessary (E, fig. 5-2).
c. Check continuity of associated
c. Defective wiring.
J1-G with RADIO TEST
wiring and replace if necessary (E,
switch S2 set to 7, and
not present at J1-F with
d. Defective cable W2, W3, W5 or
RADIO TEST switch S2
W6.
W3, W5 and W6; replace if necessary
set to 5.
a. Check continuity of switch S2
Unable to monitor homing enable
18
a. Defective switch S2.
output signal at RADIO TEST
and replace if necessary
OUTPUT connector Jl8 with
(E, fig. 5-2).
b. Check continuity of associated
b. Defective wiring.
signal applied to RADIO SET
NO. 1 connector J1-R, and
wiring and replace if necessary
RADIO TEST switch S2 set to 8.
(E, fig. 5-2).
c. Defective cable W2, W3, W5 or
W3, W5 and W6; replace if necessary
W6.
19 Unable to monitor band switch signal
a. Defective switch S2.
a. Check continuity of switch S2 and
from Radio Set AN/ARG-114 at
replace if necessary (E, fig. 5-2).
RADIO TEST OUTPUT connector
b. Check continuity of associated
b. Defective wiring.
Jill with signal applied to RADIO
wiring and replace if necessary
SET NO. 1 connector J1-S, and
(E, fig. 5-2).
RADIO TEST switch S2 set to 9.
c. Defective cable W2 or W3.
W3; replace if necessary (para
3-7b).
Change 5
3-4
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