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Tektronix 410 Service Manual
Digitizing oscilloscopes
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
List of Tables
Service Safety Summary
Safety Summary
Diagrams
Manual Structure
Preface
Manual Conventions
Modules
Safety
Symbols
Related Manuals
Introduction
Before Servicing
Strategy for Servicing
Tektronix Service
Warranty Repair Service
Repair or Calibration Service
Self Service
Specifications
Product Description
General
User Interface
Menus
Indicators
General Purpose Knob
Gui
Signal Acquisition System
Horizontal System
Table 1-1: Record Length Vs. Divisions Per Record
On-Board User Assistance
Help
Autoset
Acquisition Control
Trigger System
Measurement Assistance
Cursor
Measure
Digital Signal Processing (DSP)
Storage and I/O
Display
Zoom
Nominal Traits
Table 1-2: Nominal Traits - Signal Acquisition System
Table 1-3: Nominal Traits - Time Base System
Table 1-4: Nominal Traits - Triggering System
Table 1-5: Nominal Traits - Display System
Table 1-6: Nominal Traits - Data Storage
Table 1-7: Nominal Traits - GPIB Interface, Video Output, and Power Fuse
Table 1-8: Nominal Traits - Mechanical
Warranted Characteristics
Performance Conditions
Table 1-9: Warranted Characteristics - Signal Acquisition System
Table 1-10: Warranted Characteristics - Time Base System
Table 1-11: Warranted Characteristics - Triggering System
Table 1-12: Warranted Characteristics - Probe Compensator Output
Table 1-14: Warranted Characteristics - Environmental, Safety, and Reliability
Typical Characteristics
Table 1-15: Typical Characteristics - Signal Acquisition System
Table 1-16: Typical Characteristics - Time Base System
Table 1-17: Typical Characteristics - Triggering System
Table 1-18: Typical Characteristics - Data Handling
Operating Information
Supplying Operating Power
Power Cord Information
Operating Voltage
Memory Backup Power
Table 2-1: Power Cord Conductor Identification
Figure 2-1: Power-Cord Plug Identification
Installation
Applying and Interrupting Power
Power-Up
Power-Down
Table 2-2: Effects of Corrupted Data
Operating Environment
Operating Temperature
Ventilation Requirements
Repackaging Instructions
Installed Options
Operating Information
Screen Layout
Basic Procedures
How to Power up
How to Use Help
How to Use the Status Menu
Figure 2-2: Map of Display Functions
How to Set Functions
How to Set Complex Functions
Theory of Operation
Module Overview
Logic Conventions
Circuit Description
Performance Verification
General Instructions
Brief Procedures
Conventions
Figure 4-1: Map of Display Functions
Self Tests
Verify Internal Adjustment, Self Compensation, and Diagnostics
Figure 4-2: Verifying Adjustments and Signal Path Compensation
Functional Tests
Verify All Input Channels
Figure 4-3: Universal Test Hookup for Functional Tests
Verify the Time Base
Verify the Main and Delayed Trigger Systems
Performance Tests
Prerequisites
Equipment Required
Table 4-1: Test Equipment
Test Record
Signal Acquisition System Checks
Check Offset Accuracy
Figure 4-4: Initial Test Hookup
Table 4-2: DC Offset Accuracy
Check DC Voltage Measurement Accuracy (Averaged)
Figure 4-5: Initial Test Hookup
Check Analog Bandwidth
Figure 4-6: Initial Test Hookup (TDS 410 and TDS 420)
Figure 4-7: Initial Test Hookup (TDS 460)
Table 4-3: Analog Bandwidth (TDS 410 and TDS 420)
Table 4-4: Analog Bandwidth (TDS 460)
Figure 4-8: Measurement of Analog Bandwidth
Check Delay Match between Channels
Figure 4-9: Initial Test Hookup
Figure 4-10: Measurement of Channel Delay
Time Base System Checks
Check Accuracy for Long-Term Sample Rate, Delay Time, and Delta Time Measurements
Figure 4-11: Initial Test Hookup
Figure 4-12: Measurement of Accuracy - Long-Term and Delay-Time
Trigger System Checks
Check Accuracy, Trigger Level or Threshold, DC Coupled
Figure 4-13: Initial Test Hookup
Sensitivity, Edge Trigger, DC Coupled
Figure 4-14: Initial Test Hookup
Figure 4-15: Measurement of Trigger Sensitivity
Maximum Input Frequency, Auxiliary Trigger
Figure 4-16: Initial Test Hookup
Figure 4-17: Confirming Auxiliary Triggering at Maximum Triggering Frequency
Check Video Trigger Sensitivity (Option 05 Equipped Models Only)
Figure 4-18: Initial Test Hookup
Figure 4-19: Adjusting Sync Pulse Amplitude
Figure 4-20: Measurement of Video Sensitivity
Output Signal Check
Check Probe Adjust Output
Figure 4-21: Initial Test Hookup
Figure 4-22: Measurement of Probe Compensator Limits
Adjustment Procedures
Requirements for Performance
Personnel
Warm-Up Period
Access
System
Test Equipment
Usage
Performing the Adjustments
Complete Adjustment
Individual Adjustments
Partial Adjustment
Adjustment after Repair
Table 5-1: Adjustments Required for Module Replaced
Adjustment Dependencies
Table 5-2: Adjustments and Dependencies
Equipment Required
Table 5-3: Test Equipment, Fixtures, and Supplies
Adjustment Instructions
Hardware Installation
Software Installation
Table 5-4: GPIB Board Configuration
Software-Based Adjustments
Probe Adjustment
Figure 5-1: Hookup for Probe Compensation
Compensate the Probe
Figure 5-2: Performing Probe Compensation
Figure 5-3: Proper and Improper Probe Compensation
Measure the Probe Bandwidth
Figure 5-4: Exposing the Inner Probe Tip
Figure 5-5: Initial Test Hookup (TDS 410 and TDS 420 Only)
Figure 5-6: Initial Test Hookup (TDS 460 Only)
Adjust the Probe - High Frequency Response
Figure 5-7: Exposing the Probe Body
Figure 5-8: Initial Test Hookup (TDS 410 and TDS 420 Only)
Figure 5-9: Initial Test Hookup (TDS 460 Only)
Figure 5-10: Probe Test Hookup (TDS 410 and TDS 420 Only)
Figure 5-11: Probe Test Hookup (TDS 460 Only)
Figure 5-12: Locations of Probe Adjustments
Monitor Assembly Adjustment
Maintenance
Maintenance Information
Procedures Not in this Section
Preventing ESD
Precautions
Susceptibility to ESD
Table 6-1: Relative Susceptibility to Static-Discharge Damage
General Care
Inspection and Cleaning Procedures
Inspection - Exterior
Cleaning Procedure - Exterior
Table 6-2: External Inspection Check List
Inspection - Interior
Table 6-3: Internal Inspection Check List
Cleaning Procedure - Interior
Lubrication
Inspection and Cleaning
Removal and Installation Procedures
Preparation - Please Read
List of Modules
Cable Removal
General Instructions
Summary of Procedures
Table 6-4: Tools Required for Module Removal
Access Procedure
Table 6-5: Access Instructions for Modules in Figure
Table 6-6: Access Instructions for Modules in Figure
Table 6-7: Access (and Removal) Instructions for Cables in Figure 6-4
Procedures for Module Removal and Installation
Front-Panel Knobs and Shafts
Line Fuse and Line Cord
Front Cover, Rear Cover, Cabinet, Rear EMI Gasket, and Cabinet Handle and Feet
Trim Ring, Menu Elastomer, Menu Buttons, and Front EMI Gaskets
A06 Front-Panel Assembly, ESD Shield, and Menu Flex and Probe Code Flex Circuits
A08 Jumper Board Assembly, D1 Bus, and Board Supports
A03 CPU Assembly
A02 Display Assembly
A09 DSP Assembly
A01 Backplane Assembly and Its Mount
Back-Up Batteries
A25 Low Voltage Power Supply and Its Mount
Fan and Fan Mount
Line Filter
A07 Auxiliary Power Supply
A04 Acquisition Assembly
Main Chassis
A05 Attenuator Assembly and Shield
A26 Monitor Assembly
Troubleshooting
Firmware Updates
Troubleshooting Equipment
Options and Accessories
Standard Accessories
Optional Accessories
Replaceable Electrical Parts List
Replaceable Parts List
Using the Replaceable Parts List
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Quick Links
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Diagrams
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®
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
Service Manual
TDS 410, 420 & 460
Digitizing Oscilloscopes
070–8036–02
Please check for change information at the rear
of this manual.
Third Edition: February 1994
Last Revised: May 31, 1994
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Table of Contents
Troubleshooting
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Troubleshooting Equipment
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