Keysight Technologies InfiniiVision 2000 Manuel utilisateur

Keysight InfiniiVision

2000/3000 X-Series

Oscilloscopes

Service Guide

2 2000/3000 X-Series Oscilloscopes Service Guide

Notices

No part of this manual may be reproduced in

any form or by any means (including elec-

tronic storage and retrieval or translation into

a foreign language) without prior agreement

and written consent from Keysight Technolo-

gies, Inc. as governed by United States and

international copyright laws.

Manual Part Number

75019-97099

Edition

August 2017

Available in electronic format only

Published by:

Keysight Technologies, Inc.

1900 Garden of the Gods Road

Colorado Springs, CO 80907 USA

Warranty

The material contained in this document is

provided “as is,” and is subject to being

changed, without notice, in future editions.

Further, to the maximum extent permitted

by applicable law, Keysight disclaims all

warranties, either express or implied, with

regard to this manual and any information

contained herein, including but not limited

to the implied warranties of merchantability

and fitness for a particular purpose. Key-

sight shall not be liable for errors or for inci-

dental or consequential damages in

connection with the furnishing, use, or per-

formance of this document or of any infor-

mation contained herein. Should Keysight

and the user have a separate written agree-

ment with warranty terms covering the

material in this document that conflict with

these terms, the warranty terms in the sepa-

rate agreement shall control.

Technology Licenses

The hardware and/or software described in

this document are furnished under a license

and may be used or copied only in accor-

dance with the terms of such license.

U.S. Government Rights

The Software is "commercial computer

software," as defined by Federal Acquisition

Regulation ("FAR") 2.101. Pursuant to FAR

12.212 and 27.405-3 and Department of

Defense FAR Supplement ("DFARS")

227.7202, the U.S. government acquires

commercial computer software under the

same terms by which the software is

customarily provided to the public.

Accordingly, Keysight provides the Software

to U.S. government customers under its

standard commercial license, which is

embodied in its End User License Agreement

(EULA), a copy of which can be found at

www.keysight.com/find/sweula. The

license set forth in the EULA represents the

exclusive authority by which the U.S.

government may use, modify, distribute, or

disclose the Software. The EULA and the

license set forth therein, does not require or

permit, among other things, that Keysight: (1)

Furnish technical information related to

commercial computer software or

commercial computer software

documentation that is not customarily

provided to the public; or (2) Relinquish to, or

otherwise provide, the government rights in

excess of these rights customarily provided

to the public to use, modify, reproduce,

release, perform, display, or disclose

commercial computer software or

commercial computer software

documentation. No additional government

requirements beyond those set forth in the

EULA shall apply, except to the extent that

those terms, rights, or licenses are explicitly

required from all providers of commercial

computer software pursuant to the FAR and

the DFARS and are set forth specifically in

writing elsewhere in the EULA. Keysight shall

be under no obligation to update, revise or

otherwise modify the Software. With respect

to any technical data as defined by FAR

2.101, pursuant to FAR 12.211 and 27.404.2

and DFARS 227.7102, the U.S. government

acquires no greater than Limited Rights as

defined in FAR 27.401 or DFAR 227.7103-5

(c), as applicable in any technical data.

Safety Notices

This product has been designed and tested in

accordance with accepted industry

standards, and has been supplied in a safe

condition. The documentation contains

information and warnings that must be

followed by the user to ensure safe operation

and to maintain the product in a safe

condition.

CAUTION

A CAUTION notice denotes a hazard.

It calls attention to an operating

procedure, practice, or the like that,

if not correctly performed or

adhered to, could result in damage

to the product or loss of important

data. Do not proceed beyond a

CAUTION notice until the indicated

conditions are fully understood and

met.

WARNING

A WARNING notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like

that, if not correctly performed or

adhered to, could result in personal

injury or death. Do not proceed

beyond a WARNING notice until the

indicated conditions are fully

understood and met.

2000/3000 X-Series Oscilloscopes Service Guide 3

In This Service Guide

This book provides the service information for the Keysight 2000/3000 X-Series

oscilloscopes. This manual is divided into these chapters:

1Characteristics and Specifications

This chapter contains a partial list of characteristics and specifications for the

Keysight InfiniiVision 2000/3000 X-Series oscilloscopes.

2Testing Performance

This chapter explains how to verify correct oscilloscope operation and perform

tests to ensure that the oscilloscope meets the performance specifications.

3Calibrating and Adjusting

This chapter explains how to adjust the oscilloscope for optimum operating

performance.

4Troubleshooting

This chapter begins with suggestions for solving general problems that you may

encounter with the oscilloscope. Procedures for troubleshooting the oscilloscope

follow the problem solving suggestions.

5Replacing Assemblies

This chapter describes how to remove assemblies from the 2000/3000 X-Series

oscilloscope.

6Replaceable Parts

This chapter describes how to order replaceable assemblies and parts for the

Keysight 2000/3000 X-Series oscilloscopes. It includes diagrams and parts lists

for hardware that you can order.

7Safety Notices

At the front of the book you will find safety notice descriptions and document

warranties.

4 2000/3000 X-Series Oscilloscopes Service Guide

Digital Channels

Because all of the oscilloscopes in the Keysight 2000/3000 X-Series have analog channels, the analog

channel topics in this book apply to all instruments. Whenever a topic discusses the digital channels,

that information applies only to Mixed-Signal Oscilloscope (MSO) models or DSO models that have

been upgraded to an MSO.

Abbreviated instructions for pressing a series of keys

Instructions for pressing a series of keys are written in an abbreviated manner. Instructions for pressing

Key1, then pressing Softkey2, then pressing Softkey3 are abbreviated as follows:

Press [Key1] & Softkey2 & Softkey3.

The keys may be front panel keys, or softkeys, which are located directly below the oscilloscope

display.

2000/3000 X-Series Oscilloscopes Service Guide 5

Contents

In This Service Guide / 3

Figures / 9

Tables / 11

1 Characteristics and Specifications

Power Requirements / 13

Measurement Category / 14

Measurement Category Definitions / 14

Maximum Input Voltage / 15

Environmental Conditions / 16

Specifications / 16

2 Testing Performance

Overview / 18

List of Test Equipment / 19

Conventions / 20

To construct the test connector (for use with MSO models

only) / 21

To test digital channels (MSO models only) / 23

To verify digital channel threshold accuracy (MSO models

only) / 24

When to Test / 24

6 2000/3000 X-Series Oscilloscopes Service Guide

Contents

What to Test / 24

Verifying Test Results / 24

To verify DC vertical gain accuracy / 28

To verify dual cursor accuracy / 35

To verify bandwidth (-3 dB) / 40

To verify time base accuracy / 45

To verify trigger sensitivity / 47

Test Internal Trigger Sensitivity (all models) / 48

Test External Trigger Sensitivity / 50

Keysight 2000 X-Series Oscilloscopes Performance Test

Record / 53

Keysight 3000 X-Series Oscilloscopes Performance Test

Record / 55

3 Calibrating and Adjusting

User Calibration / 58

To perform User Cal / 58

User Cal Status / 61

4 Troubleshooting

Solving General Problems with the Oscilloscope / 64

If there is no display / 64

If there is no trace display / 64

If the trace display is unusual or unexpected / 64

If you cannot see a channel / 65

Verifying Basic Operation / 66

To power-on the oscilloscope / 66

To perform hardware self test / 66

To perform front panel self test / 67

To verify default setup / 67

2000/3000 X-Series Oscilloscopes Service Guide 7

Contents

To perform an Auto Scale on the Probe Comp signal / 68

To compensate passive probes / 69

5 Replacing Assemblies

6ReplaceableParts

Ordering Replaceable Parts / 74

Listed Parts / 74

Unlisted Parts / 74

Direct Mail Order System / 74

Exchange Assemblies / 75

Exploded Views / 76

Replaceable Parts List / 77

7 Safety Notices

Warnings / 82

To clean the instrument / 83

Safety Symbols / 84

Index

8 2000/3000 X-Series Oscilloscopes Service Guide

Contents

2000/3000 X-Series Oscilloscopes Service Guide 9

Figures

Figure 1. Constructing the 8-by-2 Connector / 22

Figure 2. Setting Up Equipment for Digital Channel Threshold Accuracy Test / 26

Figure 3. Setting up Equipment for DC Vertical Gain Accuracy Test / 32

Figure 4. Using a Blocking Capacitor to Reduce Noise / 34

Figure 5. Setting up Equipment for Dual Cursor Accuracy Test / 38

Figure 6. Using a Blocking Capacitor to Reduce Noise / 39

Figure 7. Setting Up Equipment for Bandwidth (-3 dB) Verification Test / 41

Figure 8. Setting Up Equipment for Internal Trigger Sensitivity Test / 48

Figure 9. Setting Up Equipment for 4-Channel External Trigger Sensitivity

Test / 51

Figure 10. User Calibration cable for 2-channel oscilloscope / 60

Figure 11. User Calibration cable for 4-channel oscilloscope / 60

Figure 12. Default setup screen / 68

Figure 13. Example pulses / 70

Figure 14. Exploded View / 76

10 2000/3000 X-Series Oscilloscopes Service Guide

Figures

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