Tektronix 7613 User Manual

Calibration—7613/R7613 Service
Setup Procedure
NOTE
This instrument should be adjusted at an ambient
temperature of +25°C +5°C for best overall accuracy.
1. Remove the side covers from the 7613 or the top
cover and side panel from the R7613.
2. Connect the instrument to a power source which
meets the voltage and frequency requirements. The applied
voltage should be near the center of the voltage range
marked on the rear panel (see Section 1 for information on
converting this instrument from one operating voltage to
another).
lf correct line voltage is not available, usé a variable
autotransformer to provide the correct input voltage.
3. Set the controls as given under Preliminary Control
Settings. Allow at least 20 minutes warmup before
proceeding.
Titles for external controls of this instrament are
capitalized in this procedure (eg., INTENSITY).
Internal adjustments are initial capitalized only (e.g.,
CRT Grid Bias).
Preliminary Control Settings
Set the 7613 controls as follows:
INTENSITY
FOCUS
BEAM FINDER
GRATICULE ILLUM
VERT MODE
TRIG SOURCE
NON STORE
POWER
PERSISTENCE
STORED INTENSITY
SAVE
SAVETIME
2-4
Midrange
Adjust for well-defined
display
Out
As desired
LEFT
VERT MODE
IN
ON
MAX
Counterclockwise
Out
Counterclockwise (not
in detent)
Introduction
The following procedure returns the 7613 to correct
calibration. All limits and tolerances given in this procedure
are calibration guides, and should not be interpreted as
instrument specifications except as listed in Section 2 of
the Operators Manual.
Index to Calibration Procedure
Power Supply
1. Adjust —50 Volt Power Supply Page 3-5
2. Check Remaining Power-Supply Voltages Page 3-5
3. Check High-Voltage Power Supply Page 3-6
Display and Z-Axis
4. Adjust CRT Grid Bias Page 3-6
5. Adjust Astigmatisrn Page 3-7
6. Adjust Trace Rotation Page 3-7
7. Adjust Y-Axis Alignmerit Page 3-8
8. Adjust Geometry Page 3-8
9, Check External Z-Axis Operation Page 3-8
10. Check Beam Finder Page 3-8
Vertical Deflection System
11. Adjust Bias Adjustment Page 3-9
12. Adjust Vertical Centering Page 3-9
13. Check Vertical Gain Page 3-9
14. Check Vertical Linearity Page 3-10
15. Adjust Vertical High-Frequency Page 3-10
Compensation
16. Check Vertical Amplifier Bandwidth Page 3-10
17. Check Vertical Amplifier Isolation Page 3-11
18. Check Added Operation Page 3-11
19. Check Alternate Operation Page 3-11
20. Check Vertical Chopped Mode Page 3-12
Operation
Triggering System
21. Check Trigger Source Operation Page 3-12
7613

Tektronix 7613 Specifications

General

Brand	Tektronix
Model	7613
Category	Test Equipment
Language	English