1730–Series Checks and Adjustments
5–33
h. ADJUST – R553 for 10 cycles of subcarrier over 10 divisions
±
1 minor
division. Recheck multiburst generator frequency by switching it back
to Continuous.
i.
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.
8. Adjust Dual Filter Switching Phase
a. Select 2LINE SWEEP and MAG off.
b. Hold the waveform monitor FILTER button in until both the FLAT and
LPASS indicators are lit.
c.
Position the tip of the sync pulse, that occurs between the two lines, so
that the switching transition is visible.
d. ADJUST – R636 (Sw. Ph) to placed the switching transition at the
center of the sync tip.
9. Adjust Magnifier Registration
a. Set the multiburst generator for High Range Multiburst.
b. Turn on the 1730-Series MAG.
c.
Use the HORIZONTAL Position control to position the leading edge of
the sync pulse to the center major graticule division.
d. Turn the waveform monitor MAG off.
e.
ADJUST – R661 (MAG REG) so that the leading edge of sync is at the
center major graticule division. It may be necessary to repeat this step
several times to achieve magnifier registration.
f.
With the MAG off check that both ends of the trace can be positioned to
at least the center of the screen.
10. Adjust RGB Offset
a. Disconnect the multiburst signal and connect the color bar signal.
b. Set the 1730-Series SWEEP rate to 1LINE.
c.
Set the HORIZONTAL Position control to mid range.
d. Connect pin 2 of the rear-panel REMOTE socket to ground.
e.
Note that the color bar display compresses to 1/4 to 1/3 of its previous
length.
Summary of Contents for 1730 Series
Page 4: ......
Page 12: ...Contents viii...
Page 17: ...Introduction and Specifications...
Page 18: ......
Page 32: ...1730 Series Introduction 1 14...
Page 33: ...Operating Instructions...
Page 34: ......
Page 62: ...1730 Series Operating Instructions 2 28...
Page 64: ...Service Safety Summary S 2 1730 Series B070000 Above...
Page 66: ......
Page 67: ...Installation...
Page 68: ......
Page 82: ...1730 Series Installation 3 14...
Page 83: ...Theory of Operation...
Page 84: ......
Page 115: ...Checks and Adjustments...
Page 116: ......
Page 159: ...Maintenance...
Page 160: ......
Page 180: ...1730 Series Maintenance 6 20 3 Remove the board by slipping it through the front panel opening...
Page 184: ...1730 Series Maintenance 6 24 Figure 6 8 Repackaging a 1730 Series instrument...
Page 185: ...Options...
Page 186: ......
Page 189: ...Replaceable Electrical Parts...
Page 190: ......
Page 222: ...1730 Series Replaceable Electrical Parts 8 32...
Page 223: ...Diagrams Circuit Board Illustrations...
Page 224: ......
Page 246: ......
Page 247: ...Replaceable Mechanical Parts...
Page 248: ......
Page 255: ...1730 Series Waveform Monitor FIG 1 EXPLODED VIEW A1 A3 A2 A3A1 A10 A11...
Page 256: ...1730 Series B070000 Up...
Page 257: ......
Page 258: ......