Tektronix TR 210 User manual

The test & measurement
equipment you need at
the price you want.
Alltest carries the world’s largest selection of
used/refurbished benchtop test & measurement
equipment at 50% the price of new.
O
Our equipment is guaranteed working, warrantied, and
available with certified calibration from our in-house staff
of technicians and engineers.
• 10+ full time technicians with over 150 years of
specialization
• 90 day warranty & 5 day right of return on all
equipment
•
• 1-3 year warranties for new and
premium-refurbished equipment
• Every unit tested to OEM specifications
• Satisfaction guaranteed
You have plans, we will help you achieve them.
Any project. Any budget.
Get a quote today!
CCall [phone] or email [e-mail].
t
Alltest Instruments, Inc.
500 Central Ave.
Farmingdale, NJ 07727
P: [phone]
F: [phone]
alltest.net
s
[e-mail]

Service Manual
TR 210 Huntron Tracker
071-0113-00
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.

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.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Huntron and Tracker are registered trademarks of Huntron, Inc.

WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship
for a period of one (1) year from the date of shipment. If a 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.
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, with shipping charges prepaid.
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 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.

TR 210 Service Manual i
Table of Contents
General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contacting Tektronix ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
Electrical Specifications 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental Specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certifications and Compliances 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics
Installation 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Configuration 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscilloscope Connection 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front-Panel Controls and Connectors 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operational Check Procedure 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theory of Operation
Front Panel Module 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Board Module 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Filter Module 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Panel Module 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Verification
Equipment Required 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic Section 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signal Section 4–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pulse Generator Section 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment Procedures
Equipment Required 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment Procedure 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
ii TR 210 Service Manual
Maintenance
Maintenance 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Cleaning 6–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal and Installation Procedures 6–5. . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Required 6–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Fuse 6–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signal Fuse 6–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel Knobs 6–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top Cover 6–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Filter 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Panel Assembly 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel Assembly 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel Potentiometers and Elastomer 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Board 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options
Replaceable Electrical Parts
Diagrams
Replaceable Mechanical Parts

Table of Contents
TR 210 Service Manual iii
List of Figures
Figure 2–1: TR 210 rear panel 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: Connecting the TR 210 Huntron Tracker to an
oscilloscope 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–3: Front panel 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: Typical open-circuit signature 2–5. . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: Typical short-circuit signature 2–5. . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: TR 210 block diagram 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: Pulse types 4–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5–1: TR 210 adjustment locations and test points 5–3. . . . . . . . . .
Figure 6–1:Accessing the line fuse and spare fuse (159-0414-00) 6–6. . . .
Figure 6–2: Signal fuse (159-0312-00) 6–6. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–3: Retainer clips 6–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–4: Line filter 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–1: TR 210 replaceable parts and accessories 10–1. . . . . . . . . . .

Table of Contents
iv TR 210 Service Manual
List of Tables
Table 1–1: Electrical specifications 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–2: Mechanical specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: Environmental specifications 1–2. . . . . . . . . . . . . . . . . . . . . . .
Table 1–4: Certifications and compliances 1–3. . . . . . . . . . . . . . . . . . . . . .
Table 2–1: Front-panel controls and connectors 2–3. . . . . . . . . . . . . . . . .
Table 4–1: Test equipment, fixtures, and supplies 4–1. . . . . . . . . . . . . . . .
Table 5–1: Test equipment, fixtures, and supplies 5–1. . . . . . . . . . . . . . . .
Table 6–1: Internal inspection check list 6–3. . . . . . . . . . . . . . . . . . . . . . .
Table 6–2: Tools required for module removal 6–5. . . . . . . . . . . . . . . . . .
Table 7–1: Power cord identification 7–1. . . . . . . . . . . . . . . . . . . . . . . . . .

TR 210 Service Manual v
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.
Use Proper Voltage Setting. Before applying power, ensure that the line selector is
in the proper position for the power source being used.
Ground the Product. This product is grounded through the grounding conductor
of the power cord. To avoid electric shock, the grounding conductor must be
connected to earth ground. Before making connections to the input or output
terminals of the product, ensure that the product is properly grounded.
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.
The common terminal is at ground potential. Do not connect the common
terminal to elevated voltages.
Use Proper Fuse. Use only the fuse type and rating specified for this product.
Avoid Exposed Circuitry. Do not touch exposed connections and components
when power is present.
Do Not Operate in Wet/DampConditions.
Do Not Operate in an Explosive Atmosphere.
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.
To Avoid Fire or
Personal Injury
Symbols and Terms

General Safety Summary
vi TR 210 Service Manual
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:
ProtectiveGround
(Earth)Terminal CAUTION Refer to Manual Double Insulated
WARNING
High Voltage

TR 210 Service Manual vii
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 mains power by means
of the power cord or 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
viii TR 210 Service Manual

TR 210 Service Manual ix
Preface
This manual provides information to troubleshoot and repair the TR 210 Huntron
Tracker to the module level.
Related Manuals
Additional documentation for the instrument is contained in the TR 210 Huntron
Tracker User Manual (part number 071-0114-XX).
Contacting Tektronix
Product
Support For application-oriented questions about a Tektronix measure- ment product, call toll free in North America:
1-800-TEK-WIDE (1-800-835-9433 ext. 2400)
6:00 a.m. – 5:00 p.m. Pacific time
Or contact us by e-mail:
[email protected]
For product support outside of North America, contact your
local Tektronix distributor or sales office.
Service
Support Contact your local Tektronix distributor or sales office. Or visit our web site for a listing of worldwide service locations.
http://www.tek.com
For other
information In North America: 1-800-TEK-WIDE (1-800-835-9433)
An operator will direct your call.
To write us Tektronix, Inc.
P.O. Box 1000
Wilsonville, OR 97070-1000

Preface
xTR 210 Service Manual

TR 210 Service Manual 1–1
Specifications
This chapter contains the specifications for the TR 210 Huntron Tracker. All
specifications are guaranteed unless noted as “typical.” Typical specifications are
provided for your convenience but are not guaranteed.
Electrical Specifications
Table 1–1 lists the electrical specifications for the TR 210 Huntron Tracker.
Table 1–1: Electrical specifications
Test Signal
Signal Type Sinewave
Ranges
HIGH
MED 2
MED 1
LOW 2
LOW 1
Open Circuit Voltage (Vs),typical SourceResistance(Rs), typical
60 Vpk 74 k
20 Vpk 27.6 k
15 Vpk 1.24 k
10 Vpk 54 
3 Vpk 10 k
Frequency 50/60 Hz (switch selectable), 200 Hz, or 2 kHz
Channels 2
DisplayModes A, B, or ALT
SignalFuse (overloadprotection) 5 mm x 20 mm, F250 mA, 250 V, (IEC127–2/II, type GDB), userreplaceable
OvervoltageCategory CAT I
PulseGenerator
Outputs 2
LevelRange, typical 0 V to ±5 V
DC Mode ±DC level
PulseMode ±or composite
Frequency Matchesselected test signal frequency
Width (pulse mode), typical 2% to 50% duty cycle
Source Resistance,typical 100 (each output)
ShortCircuit Current 50 mA maximum (each output)

Specifications
1–2 TR 210 Service Manual
Table 1–1: Electrical specifications (Cont.)
PowerRequirements
Line Voltage 100/115 VAC or 230 VAC, selector switch on rear panel
Frequency 50 Hz to 60 Hz
Power 15 W maximum
LineFuse 100/115 V: 5 mm x 20 mm, T125 mA, 250 V,(IEC127-2/III, typeGDC), user replaceable
230 V: 5 mm x 20 mm, T125 mA, 250 V,(IEC127-2/III, typeGDC), user replaceable
Mechanical Specifications
Table 1–2 lists the mechanical specifications for the TR 210 Huntron Tracker.
Table 1–2: Mechanical specifications
Dimensions (W x H x D) 11.5 in x 2.7 in x 10.2 in (29.1 cm x 6.9 cm x 25.9 cm)
Weight 4.6 lbs. (2.1 kg)
ShippingWeight Approximately 7 lbs. (3 kg)
Environmental Specifications
Table 1–3 lists the environmental specifications for the TR 210 Huntron Tracker.
Table 1–3: Environmental specifications
Application Indooruse
Altitude < 2000 m (< 6560 ft)
Operating Temperature 0 °C to +40 °C (32 °F to 104 °F)
Storage Temperature –50 °C to +60 °C (–58 °F to 140 °F)
RelativeHumidity < 80% up to 31 °C, derated linearly to 50% at 40 °C

Specifications
TR 210 Service Manual 1–3
Certifications and Compliances
Table 1–4 lists the certifications and compliances for the TR 210 Huntron
Tracker.
Table 1–4: Certifications and compliances
Characteristic Description
EC Declaration of Conformity –
EMC Meetsintent of Directive 89/336/EEC for Electromagnetic Compatibility.Compliance was demonstrated to the following specifications as listed in the Official Journal of the European
Communities:
EN50081-1 Emissions:
EN 55011 Class B Radiated and Conducted Emissions
EN50082-1 Immunity:
IEC1000-4-2 ElectrostaticDischarge Immunity
IEC1000-4-3 RF ElectromagneticField Immunity
IEC 1000-4-4 Electrical Fast Transient/Burst Immunity
IEC 1000-4-5 Power Line Surge Immunity
EC Declaration of Conformity –
Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the EuropeanCommunities:
Low Voltage Directive 73/23/EEC,as amended by 93/68/EEC
EN 61010-1:1993 Safety requirements for electrical equipment for measurement,
control, and laboratory use
Approvals UL3111-1 – Standard for electrical measuring and test equipment
CAN/CSA C22.2 No. 1010.1 – Safety requirements for electrical equipment for measurement,
control and laboratory use
InstallationCategoryDescriptions Terminals on this product may have different installation category designations.The installation
categoriesare:
CAT III Distribution-level mains (usually permanently connected). Equipment at this level is
typically in a fixed industrial location
CAT II Local-level mains (wall sockets). Equipment at this level includes appliances, portable
tools, and similar products. Equipment is usually cord-connected
CAT I Secondary (signal level) or battery operated circuits of electronic equipment
PollutionDegree 2

Specifications
1–4 TR 210 Service Manual