TM 11-6625-2950-13
assembly. This procedure will check the internal wiring of
the air cooler. Should an open circuit be found, the wiring
Troubleshooting the headset adapter is limited to
as well as the printed terminal board should be checked
inspection and replacement of the item.
for breaks. The fan is a throw-away item. Figure 5-1 is
provided to aid in locating the components of the air
cooler.
Control setting
Step
Equipment
Test
Performance standard
Test procedure
no.
under test
equipment
1
N/A
Check for continuity
All meas-
between the following
urements
points:
made with
TO
FROM
J1-3
J2E
set on
J1-5
J2A
OHMS and
J1-6
J2A
RX100
J1-7
J2A
J1-8
J2A
J1-10
J2D
J1-11
J2D
J1-12
J2D
J1-13
J2D
Remove the air cooler
cover to gain access
to the fan terminal
strip.
GROUND(E1)
J2G
Fan termin-
J2B
al strip 2
Fan termin-
J2C
al strip 1
Positive C1
J2B
Negative C1 Fan termin-
al strip 3
Replace the air cooler
cover.
NOTE
Should all the previous
steps check good, problem
is either a defective C1 or
fan assembly.
