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

Table of Contents
TPS2000 Series Digital Storage Oscilloscopes Service Manual v
List of Tables
Table i: Instrument user manuals xi............................
Table ii: Power application user manuals xi.....................
Table 1--1: Oscilloscope general characteristics 1--1.................
Table 1--2: Oscilloscope display characteristics 1--7.................
Table 1--3: Oscilloscope physical characteristics 1--7................
Table 1--4: Power source characteristics 1--7.......................
Table 1--5: Oscilloscope environmental characteristics 1--8...........
Table 1--6: Oscilloscope EMC certifications and compliances 1--9.....
Table 1--7: Oscilloscope safety certifications and compliances 1--10.....
Table 1--8: Oscilloscope international certifications and compliances 1--10
Table 1--9: P2220 Probe specifications 1--11.........................
Table 1--10: P2220 Probe certifications and compliances 1--12.........
Table 1--11: P2220 Probe environmental characteristics 1--12..........
Table 2--1: Oscilloscope General features 2--1......................
Table 5--1: Required equipment 5--1.............................
Table 5--2: Adjustment steps 5--5................................
Table 6--1: Internal inspection check list 6--3......................
Table 6--2: Procedures for module replacement by removing
the rear case 6--6..........................................
Table 6--3: Procedures for module replacement by removing
the front case 6--6..........................................
Table 6--4: List of error codes 6--25...............................
Table 10--1: Parts list column descriptions 10--2.....................
Table 10--2: Manufacturers cross index 10--3.......................
Table 10--3: Replaceable parts list 10--4............................
Table 10--4: Replaceable standard accessories 10--8..................
Table 10--5: Replaceable optional accessories 10--9..................

Table of Contents
vi TPS2000 Series Digital Storage Oscilloscopes Service Manual

TPS2000 Series Digital Storage Oscilloscopes Service Manual vii
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
To avoid potential hazards, use this product only as specified.
Only qualified personnel should perform service procedures.
Use Proper Power Cord. Use only the power cord specified for this product and
certified for the country of use.
Connect and Disconnect Properly. Do not connect or disconnect probes or test
leads while they are connected to a voltage source.
Connect and Disconnect Properly. Connect the probe output to the measurement
instrument before connecting the probe to the circuit under test. Disconnect the
probe input and the probe ground from the circuit under test before disconnecting
the probe from the measurement instrument.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
Use Proper Probe. To avoid shock hazard, use a properly rated probe for your
measurement.
Floating. Do not float the P2220 probe reference lead to >30 Vrms. Use the P5120
(floatable to 600 Vrms CAT II or 300 Vrms CAT III) or similarly rated, passive,
high voltage probe or an appropriately rated, high voltage differential probe
when floating the reference lead above 30 Vrms, subject to the ratings of such
high voltage probe.
Powering Off. The power cord provides Mains disconnect.
Replace Batteries Properly. Replace batteries only with the proper type and rating
specified.
Recharge Batteries Properly. Recharge batteries for the recommended charge
cycle only.
Use Proper AC Adapter. Use only the AC adapter specified for this product.
Do Not Operate Without Covers. Do not operate this product with covers or panels
removed.
Avoid Exposed Circuitry. Do not touch exposed connections and components
when power is present.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
ToAvoidFireor
Personal Injury

General Safety Summary
viii TPS2000 Series Digital Storage Oscilloscopes Service Manual
Environment. Pollution Degree 21. Do not operate in an environment where
conductive pollutants may be present. See Appendix A for Environmental
characteristics.
Do Not Operate in Wet/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.
Provide Proper Ventilation. Refer to the manual’s installation instructions for
details on installing the product so it has proper ventilation.
1As defined in IEC61010-1:2001.
Terms in this Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. The following symbols may appear on the product:
CAUTION
Refer to Manual Standby Chassis Ground
Symbols and Terms

TPS2000 Series Digital Storage Oscilloscopes Service Manual ix
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Power. To avoid electric shock, disconnect the main power by means
of the power cord or, if provided, the power switch.
Use Care When Servicing With Power On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
To avoid electric shock, do not touch exposed connections.

Service Safety Summary
xTPS2000 Series Digital Storage Oscilloscopes Service Manual

TPS2000 Series Digital Storage Oscilloscopes Service Manual xi
Preface
This manual provides instructions to verify performance, maintain, and repair
TPS2000 Series Digital Storage Oscilloscopes to the module level.
Unless noted otherwise, the term “oscilloscope” refers to all models in the
TPS2000 Series.
Related Manuals
Refer the following manuals for additional TPS2000 Series oscilloscope
information.
Table i: Instrument user manuals
Language
User manual part
number Programmer manual part number
English 071-1441-XX 071-1075-XX
French 071-1442-XX*
Italian 071-1443-XX*
German 071-1444-XX*
Spanish 071-1445-XX*
Japanese 071-1446-XX*
Portuguese 071-1447-XX*
Simplified Chinese 071-1448-XX*
Traditional Chinese 071-1449-XX*
Korean 071-1450-XX*
Russian 071-1451-XX*
*These manuals contain a language overlay for the front-panel controls.
Table ii: Power application user manuals
Language User manual part number
English 071--1452--XX
French 071--1453--XX
Italian 071--1454--XX
German 071--1455--XX
Spanish 071--1455--XX

Preface
xii TPS2000 Series Digital Storage Oscilloscopes Service Manual
Table ii: Power application user manuals (Cont.)
Language User manual part number
Japanese 071--1457--XX
Portuguese 071--1458--XX
Simplified Chinese 071--1459--XX
Traditional Chinese 071--1460--XX
Korean 071--1461--XX
Russian 071--1462--XX
Product End-of-Life Handling
Battery Packs. This product contains lithium-ion (Li-Ion) battery packs that
should be recycled or disposed of properly in accordance with local laws or
regulations. For the location of a local battery recycler in the U.S. or Canada,
please contact:
RBRC (800) BATTERY
Rechargeable Battery Recycling Corp. [phone]
P.O. Box 141870 www.rbrc.com
Gainesville, Florida 32614
Components that Contain Mercury. The cold cathode fluorescent tube located in
the liquid crystal display backlight contains trace amounts of mercury. When you
are ready to reclaim the oscilloscope, you must properly transfer it according to
local regulations concerning mercury-containing equipment, or ship the
oscilloscope to the Tektronix Recycling Operations (RAMS). You can contact
Tektronix for the RAMS shipping address and instructions.

Preface
TPS2000 Series Digital Storage Oscilloscopes Service Manual xiii
Contacting Tektronix
Phone [phone]*
Address Tektronix, Inc.
Department or name (if known)
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
Web site www.tektronix.com
Sales support 1-800-833-9200, select option 1*
Service support 1-800-833-9200, select option 2*
Technical support www.tektronix.com/support
1-800-833-9200, select option 3*
1-503-627-2400
6:00 a.m. -- 5:00 p.m. Pacific time
*This phone number is toll free in North America. After office hours, please leave a
voice mail message.
Outside North America, contact a Tektronix sales office or distributor; see the
Tektronix web site for a list of offices.

Preface
xiv TPS2000 Series Digital Storage Oscilloscopes Service Manual