Tektronix TPS2000 Series Bedienungsanleitung

Service Manual

TPS2000 Series

Digital Storage Oscilloscopes

071-1465-00

This document supports firmware version 10.00

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

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, Inc., P.O. Box 500, Beaverton, OR 97077

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

WARRANTY

TPS2000 Series Oscilloscopes

Tektronix warrants that the product listed above 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 any such 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.

WARRANTY

P2220 Probe

Tektronix warrants that the product listed above will be free from defects in materials and workmanship for a period of one (1) year from

the date of original purchase from an authorized Tektronix distributor. If any such 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.

WARRANTY

TPSBAT Battery Pack

Tektronix warrants that the product listed above will be free from defects in materials and workmanship for a period of three (3) months

from the date of original purchase from an authorized Tektronix distributor. If any such 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. 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.

TPS2000 Series Digital Storage Oscilloscopes Service Manual i

Table of Contents

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

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

Preface xi...................................................

Related Manuals xi.................................................

Product End-of-Life Handling xii......................................

Contacting Tektronix xiii..............................................

Specifications

Operating Information

General Features 2--1.................................................

Attach Reference Leads Correctly 2--2...................................

Functional Check 2--3................................................

Self Calibration 2--4..................................................

Default Setup 2--4...................................................

Theory of Operation

Acquisition Board 3--2................................................

Acquisition System 3--2...........................................

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

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

Acquisition Board Power 3--3.......................................

Power Supply and Battery System 3--4...................................

Display Module 3--4..................................................

Front Panel 3--4.....................................................

Two-Channel Oscilloscopes 3--4.....................................

Four-Channel Oscilloscopes 3--5....................................

LEDs 3--5......................................................

Internal Peripherals 3--5...........................................

External Peripherals 3--5...........................................

Performance Verification

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

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

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

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--8...........................

Table of Contents

ii TPS2000 Series Digital Storage Oscilloscopes Service Manual

Adjustment Procedures

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

Adjustment Procedure 5--2.............................................

Enable the Service Menu 5--2.......................................

Adjustment Procedure 5--4.........................................

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..............................................

Replacement Procedures 6--5.......................................

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

Rear Case 6--7...................................................

Fan 6--9........................................................

Backlight Inverter Board 6--9.......................................

IO Board 6--10...................................................

Front-Panel Knob 6--11.............................................

Front Case 6--11..................................................

Acquisition Board 6--14............................................

Front-Panel Board 6--16............................................

Display Module 6--17..............................................

Compact Flash Board 6--18..........................................

Keypad 6--18.....................................................

Troubleshooting 6--20.................................................

Adjustment After Repair 6--20.......................................

Required Tools and Equipment 6--20..................................

Troubleshooting Tree 6--20..........................................

PROBE COMP Output 6--25........................................

Using the Error Log 6--25...........................................

Repackaging Instructions 6--27..........................................

Packaging 6--27...................................................

Storage 6--27.....................................................

Options

Electrical Parts List

Diagrams

Table of Contents

TPS2000 Series Digital Storage Oscilloscopes Service Manual iii

Replaceable Parts

Parts Ordering Information 10--1.........................................

Module Servicing 10--1.............................................

Using the Replaceable Parts List 10--2.....................................

Abbreviations 10--2................................................

Mfr. Code to Manufacturer Cross Index 10--3...........................

Replaceable Accessories 10--8...........................................

Table of Contents

iv TPS2000 Series Digital Storage Oscilloscopes Service Manual

List of Figures

Figure 3--1: TPS2000 Series module-level block diagram,

remove CH3 and CH4 for a 2-channel version 3--1..............

Figure 5--1: Adjustment setups 5--3...............................

Figure 6--1: Removing and installing the rear case 6--8..............

Figure 6--2: Modules accessed from the rear of the oscilloscope 6--10....

Figure 6--3: Removing the BNC cover, shell, and retaining nuts 6--11....

Figure 6--4: Removing the front case 6--13..........................

Figure 6--5: Using a screwdriver to remove the Acquisition board 6--15.

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

Figure 6--7: Removing the display module 6--17.....................

Figure 6--8: Removing and installing the keypad 6--19................

Figure 6--9: Oscilloscope troubleshooting tree (1 of 4) 6--21............

Figure 6--10: Oscilloscope troubleshooting tree (2 of 4) 6--22...........

Figure 6--11: Oscilloscope troubleshooting tree (3 of 4) 6--23...........

Figure 6--12: Oscilloscope troubleshooting tree (4 of 4) 6--24...........

Figure 9--1: TPS2000 Series block diagram 9--1....................

Figure 10--1: Exploded view diagram 10--7.........................

Figure 10--2: Replaceable accessories 10--9.........................

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