Table 28. CH 1 AC Volts

TB-9-6625-2346-35 Oscilloscope Tektronix Models 2236 2236 OPT 14 and 2236A Manual
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TB 9-6625-2346-35

(47) Repeat technique of (45) and (46) above for calibrator outputs and TI switch

settings listed in table 28. If TI readout indication is not within limits specified in table 28,

perform b (49) through (54) below.

Table 28. CH 1 AC Volts

Calibrator output

Test instrument

Voltage

Frequency

VOLTS/DIV

Min

Max

400 mV

20 kHz

50 m

.3954

.4046

4.0 V

20 kHz

0.5

3.954

4.046

40 V

20 kHz

39.54

40.46

(48) Set all outputs to minimum and disconnect equipment setup.

b. Adjustments

(1) Set all outputs to minimum and disconnect equipment setup.

(2) Press TI UPPER FUNCTIONS IN LOWER FUNCTIONS OUT pushbutton to

the IN position.

(3) Press TI PER pushbutton.

(4) Connect time frequency generator J6 output (rear panel) to TI CH 1 input.

(5) Set time frequency for a 1 MHz output.

(6) Adjust C1311 (2236/2236A) (fig. 3) or TCXO CAL (Option 14) (fig. 3) for a TI

indication of 1.00000 s.

Figure 3. CTM adjustment locations.