TB 9-6625-2132-35
a. Remove side covers from TI as required to make adjustments.
b. Install TI into
oscilloscope left
vertical compartment, using extender. Install time
base into horizontal compartment.
c. Position controls as listed in (1) through (11) below:
(1) + and - polarity pushbuttons out.
(2) VOLTS/DIV switch to 10 mV and VOLTS/DIV VARIABLE control to CAL (detent).
(3) +INPUT and -INPUT pushbuttons to GND.
(4) VOLTS counter set to 0.000 (cw 0.000 for TI's with electrical counter).
(5) PULL VOLTS/DIV VAR FOR X10 Vc control pushed in.
(6) VAR BAL control to midrange.
(7) BW pushbutton to 5 MHz.
(8) POSITION control to midrange.
(9) X10 BAL control to midrange.
(10) STEP ATTEN BAL control to midrange.
(11) SW 10 switch (fig. 1) fully ccw (R in = 1 MΩ).
Figure 1. Adjustment locations -
left side view (Type 7A13).
d. Press oscilloscope VERT MODE and
TRIG SOURCE pushbuttons to
LEFT.