Tektronix 1710J Series, Instruction Manual

Page: 130 / 252

Adjustment Procedure
7–8
1710J-Series Waveform Monitors
2. Use a 75
W
coaxial cable to connect the multiburst output from the television
test signal generator to one side of the CH A input loop-through. See
Figure 7–4.
3. Use a 75
W
coaxial cable to connect the digital counter to the remaining side
of the input loop through connector.
1710J-Series Waveform Monitor
Television Test Signal Generator
Multiburst signal
Digital
Counter
Figure 7–4: Equipment setup to adjust 0.2
m
s timing
4. Set the multiburst generator to low, continuous, and manual. Turn markers
off.
5. Adjust the multiburst Frequency for a 5 MHz sine wave as measured on the
digital counter.
6. Change the multiburst generator to Composite.
7. Select 1 LINE sweep and turn on the MAG.
8. Adjust R553 for 10 cycles of subcarrier over 10 divisions
±
1 minor division.
Recheck multiburst generator frequency by switching it back to Continuous.
9. Disconnect the cable that goes to the digital counter and terminate the open
side of the CH A input with a 75
W
end-line terminator.
The component to adjust is A1R003.
1. Select 2 LINE sweep and turn the MAG off.
2. Hold the waveform monitor FILTER button in until both the FLAT and
LPASS indicators light.
Dual Filter Switching