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Keysight InfiniiVision HD3-Series
Oscilloscopes
SERVICE GUIDE

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Table of Contents
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Summarization of Contents

Characteristics and Specifications
Power Requirements
Specifies voltage, frequency, and power requirements for the oscilloscope.
Measurement Category
Defines measurement categories for electrical circuits and the oscilloscope's intended use.
Maximum Input Voltages
Details the maximum voltage limits for analog and digital channels.
Environmental Conditions
Outlines operating temperature, humidity, altitude, and pollution degree requirements.
Contact Keysight
Provides information on how to contact Keysight Technologies for support.
Calibrating and Adjusting
Display User Calibration Status
Shows how to view the summary results of previous user calibration and probe status.
Perform User Calibration
Provides steps for performing an internal self-alignment routine to optimize performance.
Testing Performance
Overview of Performance Testing
Introduces the chapter and explains the purpose of performance and troubleshooting digital channels.
List of Test Equipment
Lists all test equipment and accessories required for performance verification procedures.
Test Conventions
Explains conventions used when referring to oscilloscope models throughout the chapter.
Construct Digital Channels Test Connector
Provides instructions and materials needed to build a test connector for digital channels.
Test Digital Channels
Describes the procedure to test the oscilloscope's acquisition system for digital channels.
Verify Digital Channel Threshold Accuracy
Details the test to verify the digital channel threshold accuracy specification of the oscilloscopes.
Verify DC Vertical Gain Accuracy
Explains how to measure and compare the analog channel DC vertical gain accuracy.
Use Blocking Capacitor to Reduce Noise
Describes how to add components to reduce noise on sensitive measurement ranges.
Verify Dual Marker Accuracy
Details the test for verifying the dual marker accuracy for each analog channel.
Verify Bandwidth (-3 dB)
Outlines the test procedure to check the oscilloscope's bandwidth using a signal generator and power meter.
Verify Time Base Accuracy
Describes the test to measure the absolute error of the time base oscillator.
Verify External Trigger Sensitivity
Details the test for verifying external trigger sensitivity by applying a sine wave.
Performance Test Record
Provides a template for recording test results and comparing them to specified limits.
Troubleshooting
Solving General Problems
Provides solutions for common oscilloscope issues like no display or trace.
Verifying Oscilloscope Operation
Describes procedures to verify the oscilloscope's basic operational status.
Power-On Procedure
Details the steps to properly power on the oscilloscope.
Perform Hardware Self Test
Explains how to run internal procedures to verify the oscilloscope's proper operation.
Perform Front Panel Self Test
Outlines tests for front panel keys, knobs, LEDs, display, and touch screen.
Auto Scale Probe Comp Signal
Guides on using the Auto Scale function for the Probe Comp signal.
Compensate Passive Probes
Explains the procedure to compensate passive probes for accurate measurements.
Replaceable Parts
Ordering Replaceable Parts
Provides instructions on how to order replacement parts and assemblies.
Exploded View of Parts
Shows a graphical representation of the oscilloscope's parts for identification.
Replaceable Parts List
Lists all replaceable parts with their specifications and quantities.
Safety Notices
Warnings
Lists critical warnings and precautions for safe operation and maintenance of the instrument.
Cleaning the Instrument
Provides instructions on how to safely clean the external surfaces of the instrument.
Safety Symbols Explained
Defines common safety symbols found on the product and in the manual.

Table of Contents