TB 9-4931-503-24
(6) Set TI CH 1 VOLTS/DIV switch to 50 m.
(7) Set oscilloscope calibrator EDGE output for 250 mV, 1 kHz and adjust EDIT
FIELD knob for 5 divisions of vertical deflection on oscilloscope.
(8) If square wave level, roll off, or overshoot exceeds 4%, adjust C124 (fig. 4) for
(9) Set TI CH 1 VOLTS/DIV switch to .5.
(10) Set oscilloscope calibrator EDGE output for 2.5 V, 1 kHz and adjust EDIT
FIELD knob for 5 divisions of vertical deflection on oscilloscope.
(11) If square wave level, roll off, or overshoot exceeds 4%, adjust C114 (fig. 4) for
(12) Release CH 2 GND pushbutton to out position. Remove 24 pF normalizer from
equipment setup and connect oscilloscope calibrator SOURCH/MEASURE CHAN 1 to TI
CH 1.
(13) Set TI CH 1 VOLTS/DIV switch to 2 m and oscilloscope calibrator VOLTAGE
output for 10 mV, 1 kHz. If necessary, adjust oscilloscope calibrator EDIT FIELD knob for
a 0.0% err display indication.
(14) Adjust R205 (fig. 4) for 5 divisions of vertical deflection on oscilloscope (R).
(15) Set TI CH 1 VOLTS/DIV switch to 10 m and oscilloscope calibrator VOLTAGE
output for 50 mV, 1 kHz.
(16) Adjust R188 (fig. 4) for 5 divisions of vertical deflection on oscilloscope (R).
(17) Connect oscilloscope calibrator SOURCH/MEASURE CHAN 1 to TI CH 2
using 24 pF normalizer.
(18) Set TI CH 2 VOLTS/DIV switch to 20 m and press CH 1 GND pushbutton to
in position.
(19) Set delaying time base MAIN SEC/DIV switch to 1 m.
NOTE
Adjust TI and delaying time base controls as necessary to view
(20) Set oscilloscope calibrator EDGE output for 100 mV, 1 kHz and adjust EDIT
FIELD knob for 5 divisions of vertical deflection on oscilloscope.
(21) If square wave level, roll off, or overshoot exceeds 4%, adjust C334 (fig. 4) for
(22) Set TI CH 2 VOLTS/DIV switch to 50 m.
(23) Set oscilloscope calibrator EDGE output for 250 mV, 1 kHz and adjust EDIT
FIELD knob for 5 divisions of vertical deflection on oscilloscope.
(24) If square wave level, roll off, or overshoot exceeds 4%, adjust C324 (fig. 4) for
(25) Set TI CH 2 VOLTS/DIV switch to .5.
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