Tektronix 1730 Series - Figure 5-4: Equipment Hook-Up for Checking Vertical Gain

1730–Series Checks and Adjustments
5–16
video amplitude with the VARIABLE gain. Less than 1 major division shift
from baseline between unmagnified and magnified signal.
a. Connect the Video Amplitude Calibrator (VAC) to the CH–A INPUT.
Connect the linearity output of the television test signal generator to the
CH–B INPUT. Do not terminate either loop–through. See Fig. 5-4.
1730–SERIES
(REAR VIEW)
1410–SERIES
(REAR VIEW)
DO NOT
TERMINATE
VAC
Figure 5-4: Equipment hook–up for checking vertical gain.
b. Set the VAC to 999.9 mV.
c. Select CH–A.
d. Adjust VCAL for exactly 140 IRE (1.00 V).
e. Set the VAC to 0.200 V and change the 1730–Series gain to X5.
f. CHECK – that the display is 133 to 147 IRE (0.950 V to 1.05 V).
g. Select CH–B INPUT.