TB 9-4931-503-35
16. Final Procedure
a. Deenergize and disconnect all equipment. Replace protective covers and cabinet panels.
b. Annotate and affix DA label/form in accordance with TB 750-25.
DUAL TRACE AMPLIFIER, TEKTRONIX, TYPE 5A48
17. Preliminary Instructions
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
18. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each set within the performance
check when applicable.
a. Remove TI protective covers as required to make adjustments.
horizontal (right) compartment.
warm-up.
d. Position TI controls as listed in (1) through (6) below:
(1) DISPLAY ON pushbutton pressed.
(2) MODE CH 1 pushbutton pressed.
(3) TRIGGER CH 1 pushbutton pressed.
(4) CH 1 and CH 2 VOLTS/DIV CAL control fully cw (to detent).