HP 54645A - Service Manual

About this Manual
We’ve added this manual to the Agilent website in an effort to help you support
your product. This manual is the best copy we could find; it may be incomplete
or contain dated information. If we find a more recent copy in the future, we will
add it to the Agilent website.
Support for Your Product
Agilent no longer sells or supports this product. Our service centers may be able
to perform calibration if no repair parts are needed, but no other support from
Agilent is available. You will find any other available product information on the
Agilent Test & Measurement website,
www.tm.agilent.com.
HP References in this Manual
This manual may contain references to HP or Hewlett-Packard. Please note that
Hewlett-Packard's former test and measurement, semiconductor products and
chemical analysis businesses are now part of Agilent Technologies. We have
made no changes to this manual copy. In other documentation, to reduce
potential confusion, the only change to product numbers and names has been in
the company name prefix: where a product number/name was HP XXXX the
current name/number is now Agilent XXXX. For example, model number
HP8648A is now model number Agilent 8648A.

HP 54645A Specifications

General

Brand	HP
Model	54645A
Category	Test Equipment
Language	English

Summary

About this Manual

Support for Your Product

Information on product support and service availability.

1 Getting Started

Power-on the oscilloscope

Procedure for powering on the oscilloscope.

Using the digital probes to probe a circuit

Guide for using digital probes to test a circuit.

2 Front-Panel Overview

Important Oscilloscope Considerations

Crucial information to read and understand for operation.

HP 54645 A;D Front Panels

Detailed diagrams of the front panel layout.

3 Triggering HP 54645 A;D Oscilloscopes

Selecting Trigger Modes and Conditions

Covers selecting trigger modes and conditions.

Trigger types

Lists and describes available trigger types.

4 MegaZoom Concepts and Oscilloscope Operation

MegaZoom Concepts

Explains the core concepts of MegaZoom technology.

Display Modes

Describes different display modes like Normal, Peak Detect, Average.

Pan and Zoom

How to pan and zoom waveforms for analysis.

5 Making Measurements with HP 54645 A;D Oscilloscopes

Capturing Data

Steps and considerations for acquiring data.

To make cursor measurements

Using front-panel Cursors key for measurements.

7 Testing, Adjusting, and Troubleshooting

Solving Problems with HP 54645 A;D Oscilloscopes

Solutions for problems encountered with oscilloscopes.

Troubleshooting the Oscilloscope

Steps and guidance for troubleshooting the oscilloscope.

8 Replacement Parts

Removing and Replacing Assemblies

Instructions for removing and replacing internal assemblies.

To order a replacement part

Procedures for ordering replacement parts.

9 Performance Characteristics

HP 54645 A;D Oscilloscopes

Detailed specifications for HP 54645A/D oscilloscopes.

HP 54645 D Digital Channels

Detailed specifications for HP 54645D digital channels.

10 Messages

Address Error

Message indicating a processing fault during operation.

No active signal was found: Please check connections

Message when Autoscale finds no input signal.