b. Connect the AN/PSM-6B
between test points DC
VOLTAGE +200 and DC
VOLTAGE (ground) on
the test set.
c. Turn the PP-1451/G power
switch and the test set
POWER switch to ON.
d. While monitoring the AN/
PSM-6B, adjust the DC
VOLTAGE 200 control
from fully counterclock-
wise to fully clock-
wise.
e. Turn the PP-1451/G power
switch and the test set
POWER switch to OFF.
f. Repeat the procedures in a
through e above with the
PP-1451/G set at +30
volts dc.
g. Return the PP-1451/G out-
put to 27 volts, after com-
pletion of f above. Turn
the power switch to OFF.
3.
AN/USM-140(*)
Same as step 1 above.
a. Connect the AN/USM-140(*)
Ripple shall not be greater
than 0.2
Adjust the AN/USM-
test probe between test
140(*) controls to
points DC VOLTAGE +200
voltage
the setting required
and DC VOLTAGE
to monitor the ripe
(ground) on the test set
pie on a segment of
b. Turn the PP-4461/G power
the +200-volt dc
switch to ON.
output.
c. Monitor the ripple on a seg-
ment of the +200-volt dc
output.
d. Turn the power switch on
PP-1451/G and the POWER
switch on the test set to
OFF.
4-5
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