Adjustment Procedure
1735 HD High Definition Waveform Monitor
6–9
8. Adjust Blanking Width
a. Connect the test oscilloscope X10 probe to A4R41. See Figure 6–1B.
b. Trigger the test oscilloscope on the negative-going edge (–edge).
c.
Adjust A4R39 (Blanking Position) for a 1
m
s pulse width. See Fig-
ure 6–5.
Figure 6–5: Setting blanking position
9. Adjust Clamp Pulse Start and Width
a. Connect a X10 probe from the test oscilloscope Ch 1 Input to A3U36,
pin1. See Figure 6–2.
b. Connect a 75
W
cable with a 75
W
in-line terminator from the 1735 HD
PIX MON OUT to the test oscilloscope Ch2 Input.
c.
Set the test oscilloscope as follows:
Trigger source
Ch 2
Display Mode
Alternate
Time/Div
10
m
s/div
Mag
X 10
Slope Level
+
Ch 1 Volts/Div
2 V
Ch 2 Volts/Div
200 mV
d. Push the 1735 HD CLAMP switch.
e.
Adjust test oscilloscope triggering for a stable display.
f.
Adjust A4R104 (Clamp Position) for clamp pulse start 5.6
m
s after the
leading edge of sync. See Figure 6–6.
g. Adjust A4R99 (Clamp Width) for a 3
m
s pulse width.
h. Turn off the 1735 HD CLAMP. Remove the test probe. Remove the
cable and terminator from the CH 1A INPUT.
Summary of Contents for 070-8462-03
Page 5: ......
Page 13: ...Table of Contents viii 1735 HD High Definition Waveform Monitor...
Page 19: ...Preface xiv 1735 HD High Definition Waveform Monitor...
Page 20: ...Getting Started...
Page 21: ......
Page 35: ...Installation 1 14 1735 HD High Definition Waveform Monitor...
Page 36: ...Operating Basics...
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Page 63: ...Operating Basics 2 26 1735 HD High Definition Waveform Monitor...
Page 64: ...Specifications...
Page 65: ......
Page 75: ...Specifications 3 10 1735 HD High Definition Waveform Monitor...
Page 77: ......
Page 78: ...Theory of Operation...
Page 79: ......
Page 109: ...Theory of Operation 4 30 1735 HD High Definition Waveform Monitor...
Page 110: ...Performance Verification...
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Page 134: ...Adjustment Procedure...
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Page 158: ...Maintenance...
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Page 163: ...Preventive Maintenance 7 4 1735 HD High Definition Waveform Monitor...
Page 179: ...Corrective Maintenance 7 20 1735 HD High Definition Waveform Monitor...
Page 181: ...Repackaging 7 22 1735 HD High Definition Waveform Monitor Figure 7 10 Repackaging...
Page 182: ...Replaceable Electrical Parts...
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Page 252: ...Diagrams...
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Page 256: ...Replaceable Mechanical Parts...
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Page 265: ...Replaceable Mechanical Parts 10 8 1735 HD High Definition Waveform Monitor...
Page 266: ...Appendices...
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