Tektronix TDS1000 Series Manuel utilisateur

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Service Manual

TDS1000 and TDS2000 Series

Digital Storage Oscilloscopes

071-1076-02

This document supports firmware version 1.00

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

suppliers, and are protected by national copyright laws and international treaty provisions.

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes

that in all previously published material. Specifications and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc.

14200 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

HIn North America, call 1-800-833-9200.

HWorldwide, visit www.tektronix.com to find contacts in your area.

Warranty 16

Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three

(3) years from the date of original purchase from an authorized Tektronix distributor. If the product proves

defective during this warranty period, Tektronix, at its option, either will repair the defective product without

charge for parts and labor, or will provide a replacement in exchange for the defective product. Batteries are

excluded from this warranty. Parts, modules and replacement products used by Tektronix for warranty work may

be new or reconditioned to like new performance. All replaced parts, modules and products become the property

of Tektronix.

In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration

of the warranty period and make suitable arrangements for the performance of service. Customer shall be

responsible for packaging and shipping the defective product to the service center designated by Tektronix,

shipping charges prepaid, and with a copy of customer proof of purchase. Tektronix shall pay for the return of the

product to Customer if the shipment is to a location within the country in which the Tektronix service center is

located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for

products returned to any other locations.

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate

maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage

resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;

b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any

damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been

modified or integrated with other products when the effect of such modification or integration increases the time

or difficulty of servicing the product.

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY

OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY

IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND

EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.

TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL,

OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS

ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual i

Table of Contents

General Safety Summary vii...................................

Service Safety Summary ix....................................

Environmental Considerations xi...............................

Preface xiii...................................................

Related Manuals xiii.................................................

Specifications

Certifications and Compliances 1--8.....................................

Operating Information

General Features 2--2.................................................

Installation 2--4......................................................

Power Cord 2--4.................................................

Security Loop 2--4................................................

Extension Modules 2--5...............................................

Functional Check 2--6................................................

Self Calibration 2--7..................................................

Default Setup 2--7...................................................

Theory of Operation

Main Board 3--4.....................................................

Acquisition System 3--4...........................................

Processing and Display System 3--5..................................

Input Signal Interface 3--5..........................................

Probe Compensation 3--5..........................................

External Trigger 3--5..............................................

Main Board Power 3--5............................................

Power Supply 3--6...................................................

Display Module 3--6..................................................

Front Panel 3--6.....................................................

Two-Channel Oscilloscopes 3--6.....................................

Four-Channel Oscilloscopes 3--7....................................

LEDs 3--7......................................................

Extension Modules 3--7...............................................

Performance Verification

Required Equipment 4--1..............................................

Test Record 4--2.....................................................

Performance Verification Procedures 4--3.................................

Table of Contents

ii TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual

Self Test 4--3....................................................

Self Calibration 4--3..............................................

Check DC Gain Accuracy 4--3......................................

Check Bandwidth 4--5.............................................

Check Sample Rate and Delay Time Accuracy 4--6......................

Check Edge Trigger Sensitivity 4--7..................................

Check External Edge Trigger Sensitivity 4--9...........................

Adjustment Procedures

Required Equipment 5--1..............................................

Adjustment Procedure 5--3.............................................

Enable the Service Menu 5--3.......................................

Adjustment Procedure 5--5.........................................

Maintenance

Preparation 6--1.....................................................

Preventing ESD 6--1..................................................

Inspection and Cleaning 6--2...........................................

General Care 6--2................................................

Inspection and Cleaning Procedures 6--2..............................

Removal and Installation Procedures 6--5.................................

Preparation 6--5..................................................

List of Modules 6--5..............................................

Summary of Procedures 6--6........................................

Required Tools 6--6...............................................

Rear Feet 6--7...................................................

Flip Feet 6--9....................................................

Front-Panel Knobs 6--10............................................

Power Button 6--10................................................

Rear Case 6--10...................................................

Front Feet 6--14...................................................

Power Supply Module 6--15.........................................

Internal Assembly 6--17............................................

Display Cable 6--19................................................

Front-Panel Cable 6--21............................................

Main Board Module 6--22...........................................

Display Module 6--24..............................................

Front-Panel Module 6--26...........................................

Keypad 6--28.....................................................

Front Case 6--30..................................................

Table of Contents

TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual iii

Troubleshooting 6--31.................................................

Adjustment After Repair 6--31.......................................

Required Tools and Equipment 6--31..................................

Troubleshooting Tree 6--31..........................................

PROBE COMP Output 6--35........................................

Troubleshooting the Power Supply 6--35...............................

Troubleshooting the Display 6--36....................................

Troubleshooting the Backlight 6--38...................................

Troubleshooting the Front Panel 6--40.................................

Troubleshooting the Main Board 6--43.................................

Running Diagnostics 6--43..........................................

Troubleshooting Input Connections 6--43...............................

Using the Error Log 6--44...........................................

Repackaging Instructions 6--46..........................................

Packaging 6--46...................................................

Storage 6--46.....................................................

Diagrams

Replaceable Parts

Parts Ordering Information 8--1.........................................

Module Servicing 8--1.............................................

Using the Replaceable Parts List 8--2.....................................

Abbreviations 8--2................................................

Mfr. Code to Manufacturer Cross Index 8--3...........................

Table of Contents

iv TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual

List of Figures

Figure 2--1: Routing the power cord and security cable 2--4..........

Figure 2--2: Installing and removing an extension module 2--5........

Figure 3--1: Module-level block diagram (two channel) 3--2..........

Figure 3--2: Module-level block diagram (four channel) 3--3..........

Figure 5--1: Adjustment setups 5--4...............................

Figure 6--1: Removing the rear feet 6--7...........................

Figure 6--2: Installing the rear feet 6--8............................

Figure 6--3: Removing and installing the flip feet 6--9................

Figure 6--4: Removing and installing the rear case 6--11..............

Figure 6--5: Aligning the oscilloscope rear case 6--13.................

Figure 6--6: Removing and installing the front feet 6--14..............

Figure 6--7: Removing the power supply module 6--15................

Figure 6--8: Installing the power supply module 6--16................

Figure 6--9: Removing and installing the internal assembly 6--17.......

Figure 6--10: Removing the display cable 6--19......................

Figure 6--11: Installing the display cable 6--20.......................

Figure 6--12: Removing and installing the front-panel cable 6--21.......

Figure 6--13: Main board removal 6--23............................

Figure 6--14: Removing the display module 6--24....................

Figure 6--15: Installing the display module 6--25.....................

Figure 6--16: Removing the front-panel module 6--26.................

Figure 6--17: Installing the front-panel module 6--27.................

Figure 6--18: Removing and installing the keypad 6--28...............

Figure 6--19: Oscilloscope troubleshooting tree (1 of 3) 6--32...........

Figure 6--20: Oscilloscope troubleshooting tree (2 of 3) 6--33...........

Figure 6--21: Oscilloscope troubleshooting tree (3 of 3) 6--34...........

Figure 6--22: Measuring the backlight voltage 6--39..................

Figure 7--1: TDS1000 and TDS2000 series block diagram 7--2........

Figure 8--1: Exploded diagram 8--7...............................

Table of Contents

TDS1000 and TDS2000 Series Digital Storage Oscilloscopes Service Manual v

List of Tables

Table 1--1: Oscilloscope specifications 1--1........................

Table 1--2: Oscilloscope general specifications 1--7..................

Table 2--1: Default settings 2--7..................................

Table 5--1: Required equipment 5--1.............................

Table 5--2: Adjustment steps 5--6................................

Table 6--1: Internal inspection check list 6--3......................

Table 6--2: List of procedures 6--6................................

Table 6--3: List of error codes 6--44...............................

Table 8--1: Parts list column descriptions 8--2......................

Table 8--2: Manufacturers cross index 8--3........................

Table 8--3: Replaceable parts list 8--4.............................

Table 8--4: Replaceable standard accessories 8--8...................

Table 8--5: Replaceable optional accessories 8--8...................

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