Tektronix TAS 475 Service Manual

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List of Figures
Figure 2-1: Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Figure 2-2: Fuse Compartment ................................ 2-2
Figure 2-3:
POWER Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Figure 2-4:
Probe Compensation
Signal Displayed after AUTOSET . 2-5
Figure 2-5:
Connections for Compensating a Probe
.............. 2-5
Figure 2-6: How Probe Compensation Affects
Signals ............ 2-7
Figure 2-7: Location of Probe Head Adjustment. . . . . . . . . . . . . . . . . . 2-7
Figure 2-8: Menu Map
........................................ 2-8
Figure 3-1:
Block Diagram .................................... 3-2
Figure 4-1:
Graticule References .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Figure 4-2: Test Hookup for
Functional Tests .................... 4-4
Figure 4-3:
Horizontal Adjustments (One) ....................... 4-10
Figure 4-4: Horizontal Adjustments (Two) ....................... 4-11
Figure 4-5: Horizontal Adjustments (Three) .. . . . . . . . . . . . . . . . . . . . . 4-11
Figure 4-6: Gain and Voltage Test Setup ........................ 4-15
Figure 4-7: Trigger
Level Test Setup ............................ 4-17
Figure 4-8: Bandwidth Test
Setup .............................. 4-18
Figure 4-9:
X-Axis Gain Test
Setup ............................. 4-19
Figure
4-10: Timing Test Setup ................................ 4-20
Figure 4-11 :
Dual Delay Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Figure 4-12: Trigger Sensitivity
Test Setup One .................. 4-25
Figure 4-13: Trigger Sensitivity
Test Setup Two . . . . . . . . . . . . . . . . . . . 4-26
Figure 4-14:
Trigger Sensitivity
Test Setup Three ................. 4-27
Figure 4-15: Video Trigger
Test Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
Figure 5-1: Location of Boards for Adjustments
.................. 5-2
Figure 5-2:
CRT Adjustments Calibration Setup ... . . . . . . . . . . . . . . . 5-5
Figure 5-3: Low Frequency
Output Compensation
Calibration Setup ......................................... 5-6
Figure 5-4:
Horizontal Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Figure
5-5: Horizontal Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Figure 5-6:
Horizontal Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Figure 5-7:
Horizontal Output Calibration Setup. . . . . . . . . . . . . . . . . . 5-9
Figure 5-8: Factory
Vertical Calibration Setup. . . . . . . . . . . . . . . . . . . . 5-10
Figure 5-9: Vertical Adjustments ............................... 5-11
Figure 5-10: Adjusting Vertical Gain and Centering ............... 5-12
Figure 5-11: High Frequency
Step Response Test Setup .......... 5-12
Figure 5-12: Attenuator Compensation
Test Setup. . . . . . . . . . . . . . . . 5-14
Figure 5-13:
TAS 485 Vertical Termination Hybrid Adjustment. . . . . . 5-17
Figure 5-14:
TAS 475 Display Driver Board Adjustment Locations ..
Figure 5-15: TAS 485 Display Driver Board Adjustment Locations ..
TAS 475 and TAS 485 Service Manual
5-18
5-19
vii
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Tektronix TAS 475 Specifications

General

Brand	Tektronix
Model	TAS 475
Category	Test Equipment
Language	English