TB 9-6625-2102-35
(19) Position TI controls as listed in (a) through (d) below:
(a) MODE switch to INT TRIG.
(b) Frequency dial to 1.0.
.
(c) Main generator FUNCTION switch to
(d) AMPLITUDE control fully cw.
(20) If audio analyzer does not indicate within limits shown in table 23,
perform b (5) below.
Table 23. Zero
Audio analyzer indications
(V)
Min
Max
-.100
.100
(21) Adjust frequency dial to 2.
(22) If audio analyzer does not indicate within limits shown in table 24,
perform b (5) below.
Table 24. Zero
Audio analyzer indications
(V)
Min
Max
-.100
.100
(23) Set mode switch to CONT.
b. Adjustments
NOTE
All adjustments interact. Repeat performance check and
adjustments as necessary for best in-tolerance indications.
(1) Adjust R347 (fig. 2) for 0 V dc indication on audio analyzer.
(2) Adjust R210, R343 and R226 (fig. 2) for a balance display shown, while
switching MODULATION GENERATOR FUNCTION between triangle (fig. A) and sine
wave (fig. B).
(3) Adjust R324 (fig.2) for oscilloscope indication of >15 V p-p.
(4) Adjust R218 (fig.2) for audio analyzer indication of 0 +20 mV dc.
(5) Adjust R159 (fig.2) for audio analyzer indication of 0 100 mV dc.
17. AC Output and DC Offset
a. Performance Check
(1) Connect TI FUNCTION OUT (50Ω) to audio analyzer INPUT HIGH
using a 50 Ω feedthrough termination.
(2) Adjust AMPLITUDE control fully ccw and set main generator FUNCTION
switch to DC.
