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Tektronix TDS7104

Tektronix TDS7104
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Service Manual
TDS7000 Series
Digital Phosphor Oscilloscopes
(TDS7104 & TDS7054)
071-0711-03
This document applies to firmware version 2.3.2
and above.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
www.tektronix.com

Table of Contents

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Tektronix TDS7104 Specifications

General IconGeneral
Bandwidth1 GHz
Channels4
Memory Depth10 Mpoints
Vertical Sensitivity1 mV/div to 10 V/div
Vertical Resolution8 bits
Input CouplingAC, DC, GND
Timebase Accuracy± 50 ppm
Trigger ModesEdge, Pulse, State
Maximum Input Voltage400 V (DC + peak AC)
InterfaceGPIB, RS-232, Ethernet, USB
Power Requirements100-240 VAC, 50/60 Hz
Sample Rate10 GS/s
Display10.4-inch color LCD

Summary

Service Manual

TDS7000 Series Oscilloscope

Identifies the product line and models covered by the manual.

Warranty Information

General Safety Summary

Service Safety Summary

Specifications

Acquisition Features

Details how the instrument acquires data and its capabilities.

Signal Processing Features

Describes signal processing modes and functions like math and spectral analysis.

Specification Tables

Operating Information

Installation

Covers initial setup procedures for the oscilloscope.

Power On the Instrument

Step-by-step instructions for powering on the oscilloscope.

Instrument Diagnostics

Details how to run internal diagnostics to verify instrument health.

Signal Path Compensation

Procedure for calibrating the signal path for accurate measurements.

Performance Verification

Self Tests

Verifies basic functionality, adjustments, and internal diagnostics.

Self Tests

Verify Internal Adjustment, Self Compensation, and Diagnostics

Step-by-step verification of diagnostics and self-compensation.

Verify All Input Channels

Checks the operational status of all input channels.

Verify the Time Base

Checks the accuracy and functionality of the time base system.

Performance Tests - Semi-Automated Method

Performance Tests

Signal Acquisition System Checks

Verifies characteristics related to the signal acquisition system.

Check DC Voltage Measurement Accuracy

Tests the accuracy of DC voltage measurements.

Check DC Gain Accuracy

Verifies the accuracy of DC gain measurements.

Check Analog Bandwidth

Tests the analog bandwidth of the oscilloscope channels.

Check Delay Between Channels

Measures and verifies the delay between different channels.

Check Channel Isolation (Crosstalk)

Tests the isolation between channels to detect crosstalk.

Time Base System Checks

Verifies characteristics related to the time base system.

Check Long-Term Sample Rate and Delay Time Accuracy and Reference

Checks long-term sample rate and delay time accuracy against limits.

Check Delta Time Measurement Accuracy

Verifies the accuracy of delta time measurements.

Trigger System Checks

Verifies characteristics related to the trigger system.

Check Time Accuracy for Pulse, Glitch, Timeout, and Width Triggering

Checks time accuracy for various trigger types.

Check Sensitivity, Edge Trigger, DC Coupled

Verifies trigger sensitivity and DC coupling settings.

Output Signal Checks

Checks the characteristics of the oscilloscope's output signals.

Check Outputs - CH 3 Signal Out and Aux Trigger Out

Verifies the gain and logic levels of CH3 Signal Out and Aux Trigger Out.

Check Probe Compensation Output

Verifies the probe compensation output signal's frequency and amplitude.

Adjustment Procedures

Maintenance

Removal and Installation Procedures

Acquisition Board

Steps to remove and reinstall the acquisition board.

Troubleshooting

Check for Common Problems

Lists common failure symptoms and their possible causes.

Fault Isolation Procedure

Guides fault isolation using troubleshooting trees and diagnostics.

Isolating to a Board if Power Will Not Come Up

Steps to diagnose power-related issues and isolate faulty boards.

Checking the Power Supply Voltages

Explains how to measure power supply voltages to verify functionality.

If the Oscilloscope Will Not Boot

Addresses issues when the oscilloscope fails to boot up.

If the Oscilloscope Application Does Not Work

Troubleshooting steps when the main application fails to load or run.

PPC and NLX PC Diagnostics

Covers PC-related diagnostics for PPC and NLX boards.

Oscilloscope Diagnostics

Details running comprehensive oscilloscope diagnostics.

BIOS Error Messages (Bali NLX)

Lists and explains BIOS error messages for the Bali NLX system.

BIOS Error Messages (Radisys NLX)

Lists and explains BIOS error messages for the Radisys NLX system.

BIOS Beep Codes (Bali NLX)

Explains beep codes generated by the Bali NLX BIOS during POST.

BIOS Beep Codes (Radisys NLX)

Explains beep codes generated by the Radisys NLX BIOS.

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