TM 11-6625-1831-13
5-2b.
Electrical Test of Test Panel (Cont)
LOCATION/ITEM
ACTION
REMARKS
c. Pulse Generator
Disconnect from test set.
No. 1
d. Pulse Generator
Disconnect from test set.
No. 2
e. OSC Switch
Set to INT.
(S14)
f. TARGET LEVEL potentio-
Set to position 10.
meter (R6)
g. MULT switch (S11)
Set to LOW.
h. FREQ potentiometer
Set to position 1.
(R3)
i. AUDIO OUT J6 jack
With counter, measure signal fre-
Malfunction 41.
quency - should be 8 to 15 Hz.
j. FREQ potentiometer
Set to position 10.
k. AUDIO OUT J6 jack
Measure signal frequency - should
Malfunction 42
be 100 to 140 Hz.
I. MULT switch
Set to HIGH.
m. AUDIO OUT J6 jack
Measure signal frequency - should
Malfunction 43
be 700 to 1300 Hz.
n. FREQ potentiometer
Set to position 1.
o. AUDIO OUT J6 jack
Measure signal frequency - should
Malfunction 44
be equal to or less than the result of
step k.
p. Pulse generator No. 1
Connect to 5 MHz IN jack.
q. Pulse generator No. 2
Connect to SWP GATE IN J9 jack.
r. BASELINE CLUTTER
Set to position 0.
potentiometer (R8)
s. MT OUT J7 jack
Connect 100-ohm termination.
t. TARGET CLUTTER
Set to position 0.
potentiometer (R7)
5-19
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