TB 9-6625-2340-24
(7) Set signal generator for an 80 percent amplitude modulation output.
(8) Press TI keys as listed in (a) through (f) below:
MARKER OFF.
(a)
FREQUENCY SPAN, 0, Hz.
(b)
RES BW, 3, MHz.
(c)
VIDEO BW, 3, MHz.
(d)
TRIGGER VIDEO.
(e)
SWEEP TIME, 5, mSEC.
(f)
(9) Adjust TI TRIGGER LEVEL control to place a peak of the triangular
waveform on the first graticule from the left edge of the TI crt display as a reference.
(10) The fifth peak from the reference will be within the limits in the first row of
table 54 from the sixth graticule from the left edge of the TI crt display.
(11) Repeat the technique used in (6), (8) (f), (9) and (10) above for remaining TI
sweep times and function generator frequencies in table 54. The fifth peak from the
reference will be within the limits outlined in table 54.
Table 54. Fast Sweep Time
Function
Test
generator
instrument
Sweep
Sweep time error
(kHz)
time
(divisions)
2.00
5 ms
0.5
5.00
2 ms
0.5
10.00
1
ms
0.5
s
50.0
0.5
200
s
100.0
0.5
100
(12) Disconnect TI RF INPUT from signal generator RF output connector.
(13) Disconnect function generator UNBALANCED output from signal generator
amplitude modulation input connector.
b. Adjustments. None.
28. Power Supply
NOTE
Do not perform power supply adjustments if all other
parameters are within tolerance.
a. Performance Check
Set TI LINE switch to STANDBY.
(1)
(2)
Remove TI top cover.
Set LINE switch to ON.
(3)
(4)
Indicator A1A8DS1 MAINS (fig. 31) (red LED) should be lit.