Sign In
Upload
Manuals
Brands
Tektronix Manuals
Switch
ECO 422
Tektronix ECO 422 Manuals
Manuals and User Guides for Tektronix ECO 422. We have
1
Tektronix ECO 422 manual available for free PDF download: Instruction Manual
Tektronix ECO 422 Instruction Manual (177 pages)
Changeover Unit
Brand:
Tektronix
| Category:
Switch
| Size: 1 MB
Table of Contents
Instruction Manual
1
Table of Contents
7
List of Figures
9
List of Tables
10
Safety Summary
11
Certifications and Compliances
13
Getting Started
17
Product Description
19
Figure 1-1: Front of the ECO 422
19
Figure 1-2: Rear of the ECO 422
19
Accessories
20
Installation
20
Mechanical Installation
20
Figure 1-3: Front Rail Mount
21
Figure 1-4: Deep Rackmount
21
Figure 1-5: Shallow Rackmount
22
Figure 1-6: Assembly of Rackmounting Hardware
22
Figure 1-7: Installing the Instrument in the Rack Slides
23
Electrical Installation
24
Cable Installation
24
Hints on Using the User Configuration Switches
25
Figure 1-8: Example of How the ECO 422 Can be Connected
25
Configuration
26
Figure 1-9: Default Position of the User Configuration and Mode Switches
27
Table 1-1: Channel Configuration Switches (S1 - S11)
27
Functional Check and First Time Operation
28
Figure 1-10: Setup for the Functional Check
28
Loss of the Primary Signal
29
Loss of the Backup Signal
30
Loss of Power to the ECO 422
30
Operating Basics
31
Controls and Indicators
33
Front-Panel Controls
33
Figure 2-1: Front-Panel Controls
33
Internal Controls
34
Figure 2-2: Default Position of the User Configuration and Mode Switches
34
Table 2-1: Factory Settings of Channel Configuration Switches (S1 - S11)
35
Connectors
36
Power
36
Video Signals (11 Channels)
36
Figure 2-3: Rear of the ECO 422
36
Figure 2-4: Remote Connector Pin-Out
37
Reference
38
Operating Basics
38
Figure 2-5: Wiring Required to Conform with SMPTE Fault Reporting
38
State Machine Discussion
39
How to Adjust the User-Defined Threshold Levels
40
Table 2-2: Truth Table for ECO 422 Switching
40
Figure 2-6: Setup for Adjusting R265 (the User Level for SX-7)
41
Figure 2-7: Flowchart for Adjusting R265
42
Specifications
43
Introduction
45
Table 3-1: General Characteristics
46
Table 3-2: Signal Loss Detection
47
Table 3-3: Power Supply
48
Table 3-4: Mechanical (Physical) Characteristics
48
Table 3-5: Environmental Characteristics
49
Certification
50
EMI Standards
50
Theory of Operation
53
Introduction
55
Logic Conventions
55
ECO 422 Block Level Description
55
Figure 4-1: Block Diagram of the ECO 422
55
ECO 422 Detailed Circuit Description
56
Input and Comparators 2 through 7
56
Figure 4-2: Block Diagram of the Input Comparator
56
Control and Remote 8
57
Figure 4-3: Block Diagram for the Control and Remote Circuit
58
Reference Voltage and Selector Switch Farm 9
60
Figure 4-4: Reference Voltage and Selector Switch Farm Block Diagram
60
Post Regulated Power Supply
61
Performance Verification
63
Introduction
65
Calibration Data Report
65
Performance Verification
65
Equipment Required
70
Performance Verification Procedure
71
Signal Checking Disabled
71
Black Burst Checks
71
Figure 5-1: Setup to Check Black Burst Levels
72
Serial Digital Video Checks
75
Figure 5-2: Setup to Check the Component Serial Digital Video Levels
76
Figure 5-3: Setup to Check the Serial Digital Video Composite Levels
78
Serial Digital Audio Checks
80
Figure 5-4: Setup to Check the Serial Audio Levels
81
Adjustment Procedure
85
Introduction
87
Maintenance
91
Service Options
91
Inspection and Cleaning
91
Visual Inspection
92
Table 7-1: Static-Sensitive Components
93
Corrective Maintenance
94
Tektronix Service Offerings
95
Module Exchange
96
Table 7-2: Assemblies in the ECO 422
96
Etched Circuit Boards
97
Figure 7-1: Remove These Screws and Post before Attempting to Remove the Connector Board
98
Removal/Replacement Instructions
98
Figure 7-2: Slide the Connector Board out this Way
99
How to Remove the Heat Sink
99
Figure 7-3: Remove the Heat Sinks this Way
100
Repackaging Instructions
100
Replaceable Electrical Parts
141
Options
141
Diagrams/Circuit Board Illustrations
141
Advertisement
Advertisement
Related Products
Tektronix ECO422D
Tektronix ECO8000 Series
Tektronix ECO8020
Tektronix ECO170A
Tektronix ECO800UP
Tektronix ECO802UP
Tektronix 261
Tektronix 4000-3
Tektronix 7B92
Tektronix Grass Valley 3000
Tektronix Categories
Test Equipment
Measuring Instruments
Amplifier
Portable Generator
Printer
More Tektronix Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL