TB 9-6625-2197-50
b. Adjustments
(1) Adjust radar test set MAIN FREQ (menu 10) to 1087 MHz.
(2) Adjust R83 (fig. 13) until pulse has just appeared on oscilloscope display (R).
NOTE
Do not perform power supply check if all other parameters are
within tolerance.
a. Performance Check
(1) Set control box PWR switch to OFF and remove battery stick (fig. 1).
(3) Remove power supply cover.
(5) Set control box PWR switch to ON.
(6) Set control box SEQ switch to GND, then to TEST.
(7) Connect digital voltmeter (dc) low (-) probe to control box TJ 35 and high (+)
probe to test jacks listed in table 3. If any digital voltmeter reading is not within the
specified limits, perform b below.
Control box
Voltages
Tolerance
test jack
(V dc)
Min
Max
11
+12
11.75
12.25
12
+5
4.75
5.25
13
-12
-11.5
-12.5
b. Adjustments.
Connect digital voltmeter to
control box TJ 11 and
adjust R11 (fig.
14) for a
digital voltmeter reading between 11.99 and
12.01 V dc
(R).