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Table of Contents
1780R-Series Service Manual
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List of Figures
Figure 1–1: Simplified representation of the 1780R-Series
Video Measurement Set 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–1: Rear panel for the Tektronix 1780R-Series
Measurement Set 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: Settings for the rear-panel mains selector switch 2–5. . . . . .
Figure 2–3: Upper right portion of the 1780R-Series rear panel,
showing the location of the four loop-through signal inputs 2–8. . . .
Figure 2–4: Remote connector and the function of each pin.
A / before a function indicates a low to activate 2–9. . . . . . . . . . . . . . .
Figure 2–5: Serial interface connector showing the function of
each pin 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–6: RS232D serial interface adapter diagram 2–11. . . . . . . . . . . .
Figure 2–7: Rear-panel XY connector diagram showing the function
of each pin 2–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–8: Location of the four screws that secure the instrument
to rack mounting cabinet or portable case 2–14. . . . . . . . . . . . . . . . . . .
Figure 2–9: Dimensions used for rack mounting the 1780R-Series
Video Measurement Set 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–10: Dimensions of the adjustable rear rackmounting
bracket 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–11: Installing rear rack-mounting brackets for rack
applications of depths from 18 to 24 inches 2–16. . . . . . . . . . . . . . . . . .
Figure 2–12: Portable case for the 1780R-Series Video Measurement
Set. Case has handle, feet, and an elevating bail along with two
panel covers 2–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–13: Waveform Calibration menu display 2–20. . . . . . . . . . . . . . .
Figure 2–14: 1780R (NTSC) Vectorscope Calibration menu display
with CAL OSC on 2–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–15: 1781R (PAL) Vectorscope Calibration menu display 2–23. .
Figure 2–16: 1780R-Series repackaging 2–25. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–17: Simplified representation of the 1780R Series showing
the location of the control groups 2–27. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–18: Front panel of the 1780R-Series Video Measurement
Set 2–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–19: The right front panel for the Tektronix 1780R-Series,
showing the Functional Measurement Controls 2–31. . . . . . . . . . . . . .