TB 9-6625-2083-24
(a) A AND B TIME/DIV AND DELAY TIME switches to .2 ms.
(b) X10 MAG pushbutton released to X1.
(2) Connect CALIBRATOR loop to CH 2 input and note indication on TI display.
(3) Remove connection from CH 2 input and connect oscilloscope calibrator
SOURCE/MEASURE CHAN 2 to TI CH 2 input.
(4) Set oscilloscope calibrator for a CHAN 1, VOLTAGE mode output of .1 V, and
frequency to 1 KHz.
(5) Rotate oscilloscope calibrator knob located below EDIT FIELD pushbutton for
same indication noted in (2) above. If oscilloscope calibrator Err display readout is not
within 1%, perform b below.
b. Adjustments
(1) Rotate oscilloscope calibrator knob located below EDIT FIELD pushbutton for
an Err display of 0.0% and note indication on TI.
(2) Remove connection from CH 1 and connect CALIBRATOR loop to CH 1 input.
Adjust R599 AMPLITUDE CAL (fig. 12) for same indication noted in (1) above (R).
45. Power Supply
a. Performance Check
NOTE
Do not perform power supply check if all other parameters are
within tolerance.
(1) Connect digital multimeter to TP637 +55 V (fig. 12) and chassis ground.
(2) Press digital multimeter VOLTS DC pushbutton and 200 V range pushbutton.
If digital multimeter does not indicate between +54.62 and +55.39, perform b below.
b. Adjustments. Adjust R614 +55V CAL (fig. 12) for +55.0 V on digital multimeter (R).
46. Final Procedure
a. Deenergize and disconnect all equipment and reinstall TI protective cover.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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