Tektronix TPS2000 Series User manual

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

Copyright ©Tektronix, Inc. All rights reserved.
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.........................