TB 9-6625-2102-24
Table 26. Voltage Offset
Audio analyzer indications
(tV dc)
+7.2
(8) Adjust DC OFFSET control to OFF, ensure mode switch is set to CONT and
MODULATION AM switch to OFF.
(9) Using audio analyzer, disable all low-pass filters.
and adjust AMPLITUDE
(10) Set main generator FUNCTION switch to
control for 5.00 V ac on audio analyzer.
(11) Set TI ATTENUATION (dB) switch to 20/40.
Audio analyzer will indicate
within limit shown in table 27.
Table 27. 20 dB Attenuation
Audio analyzer indications
(V ac)
Min
Max
.4830
.5176
(12) Set TI ATTENUATION (dB) switch to 40/60.
Audio analyzer will indicate
within limit shown in table 28.
Table 28. 40 dB Attenuation
Audio analyzer indications
(V ac)
Min
Max
.04666
.05357
(13) Set TI ATTENUATION (dB) switch to 60/80.
Audio analyzer will indicate
within limit shown in table 29.
Table 29. 60 dB Attenuation
Audio analyzer indications
(V ac)
Min
Max
.00450
.00555
b. Adjustments. No adjustments can be made.
18. Power Supply
NOTE
Do not perform power supply check if all other parameters are
in tolerance.
a. Performance Check
(1) Connect multimeter between C33 + (fig. 1) and chassis ground, observing
polarity. If multimeter does not indicate between +14.97 and +15.03 V dc, perform b (l)
below.
