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Radio Set Simulator Test
Up
TM-11-6625-564-45 Maintenance Kits Electronic Equipment MK-731/ARC-51X Manual
Next
Procedure. (cont) - TM-11-6625-564-450092
C2, TM 11-6625-564-45
Step
NO.
Tut Equipment
Test procedure
b. Middle number of read-
b. Turn test unit FREQ
out mechanism will
SELECT 1-megacycle
read same as setting
switch to all of its
positions, and observe
of switch.
readout mechanism.
c. Two far right numbers
c. Turn test unit FREQ
of readout mechanism
SELECT 0.1-mega-
will read same as set-
cycle switch to all of
ting of switch.
its positions, and ob-
serve readout mechan-
ism.
a. ME-26B/U will
indicate
a. Connect ME-26B/U to
3
TEST SELECT: +27.5V.
ME-26B/U
between +27
and +28
+27.5V test jack and
Set to measure
vdc.
ground on test unit.
+27.5 vdc.
b. Observe meter on radio
b. Meter will read
in green
Test unit
band of scale
A.
set simulator.
Controls remain
as at end of
step 2.
a. ME-26B/U will indicate
a. ME-26B/U connections
4
ME-26B/U
Caution: Perform this
between + 27 and +28
remain same as step
teat quickly to avoid ex-
Set to measure
vdc.
3.
+ 27.5V vdc.
cessive heating of the rad-
b. Observe XMIT LOAD
b. LOAD indicator
Test! unit
io set simulator. Return
indicator on radio
will light.
XMIT LOAD switch to
Controls remain
test simulator.
OFF position as soon as
as at end of step 2.
possible.
c. Return radio set simula-
c. None.
XMIT LOAD: ON.
tor XMIT LOAD
switch to OFF.
a. Meter must read in green
a. Observe meter on radio
TEST SELECT: +225V.
5
ME-26B/U
set simulator.
band of scale A.
Set to measure
b. ME-26B/U must read
b. Connect ME-26B/U to
+225 vdc.
between +215 and
+225V test jack and
Test unit
ground on test unit.
+235 vdc.
Controls remain
as at end of
step 2.
a. Observe meter on radio
6
a. Meter must read in green
ME-30(*)/U
TEST SELECT: AUX
band of scale A.
set simulator.
Set to measure
AUDIO.
9.65 vac (peak).
b. ME-30(*)/U must read
Test unit
b. Connect ME-30(*)/U
between 8.65 and 10.65
Controls remain
to AUX AUDIO test
vac (peak).
as at end of
jack and ground on
test unit.
step 2.
Test unit
7
a. Vary setting of test
a. Meter must read in green
TEST SELECT: REMOTE
band of scale `A at
unit SENSITIVITY
Controls remain
SENS.
some setting of SEN-
control, and observe
as at end of
SITIVITY control.
meter on radio set
step 2.
simulator.
b. SQ. DIS indicator will
b. Rotate test unit SENSI-
light.
TIVITY control fully
clockwise to SQ DIS,
and observe SQ. DIS
indicator on radio set
simulator.
78

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