Tektronix TR 210 Service Manual

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  T ektronix, Inc. All rights reserved.
T ektronix 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.
T ektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of T ektronix, Inc.
Huntron and Tracker are registered trademarks of Huntron, Inc.

WARRANTY

T ektronix 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, T ektronix,
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 T ektronix, with shipping charges prepaid.
T ektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
T ektronix 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. T ektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than T ektronix 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-T ektronix 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
REP AIR 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.

Table of Contents

Specifications

Operating Basics

General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preface ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Manuals ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contacting T ektronix ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Specifications 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mechanical Specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Environmental Specifications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Certifications and Compliances 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

TR 210 Service Manual

i

Table of Contents

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

T op 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

ii

TR 210 Service Manual

List of Figures

Table of Contents

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. . . . . . . . . . .

TR 210 Service Manual

iii

Table of Contents

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

iv

TR 210 Service Manual

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.

To Avoid Fire or
Personal Injury

Use Proper Power Cord. Use only the power cord specified for this product and

certified for the country of use.
Use Proper V oltage 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/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.

Symbols and Terms

TR 210 Service Manual

T erms 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.

v

General Safety Summary

T erms 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:

WARNING

High Voltage

Protective Ground

(Earth) T erminal

CAUTION

Refer to Manual

Double

Insulated

vi

TR 210 Service Manual

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.

TR 210 Service Manual

vii

Service Safety Summary

viii

TR 210 Service Manual

Preface

Related Manuals

Contacting Tektronix

This manual provides information to troubleshoot and repair the TR 210 Huntron
Tracker to the module level.

Additional documentation for the instrument is contained in the TR 210 Huntron
Tracker User Manual (part number 071-0114-XX).

Product
Support

Service
Support

For other
information

To write us Tektronix, Inc.

For application-oriented questions about a Tektronix measure­ment 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:
[e-mail]

For product support outside of North America, contact your
local Tektronix distributor or sales office.

Contact your local Tektronix distributor or sales office. Or visit
our web site for a listing of worldwide service locations.

http://www.tek.com
In North America:

1-800-TEK-WIDE (1-800-835-9433)
An operator will direct your call.

P.O. Box 1000
Wilsonville, OR 97070-1000

TR 210 Service Manual

ix

Preface

x

TR 210 Service Manual

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.

T able 1–1: Electrical specifications

Test Signal

Signal Type Sine wave
Ranges

Open Circuit Voltage (Vs), typical Source Resistance (Rs), typical

HIGH
MED 2
MED 1
LOW 2

LOW 1
Frequency 50/60 Hz (switch selectable), 200 Hz, or 2 kHz
Channels 2
Display Modes A, B, or ALT
Signal Fuse (overload protection) 5 mm x 20 mm, F250 mA, 250 V, (IEC127–2/II, type GDB), user replaceable
Overvoltage Category CA T I

Pulse Generator

Outputs 2
Level Range, typical 0 V to ± 5 V
DC Mode ± DC level
Pulse Mode ± or composite
Frequency Matches selected test signal frequency
Width (pulse mode), typical 2% to 50% duty cycle
Source Resistance, typical 100  (each output)
Short Circuit Current 50 mA maximum (each output)

60 V
20 V
15 V
10 V
3 V

pk
pk
pk
pk

pk

74 k

27.6 k

1.24 k
54 
10 k

TR 210 Service Manual

1–1

Specifications

T able 1–1: Electrical specifications (Cont.)

Power Requirements

Line Voltage 100/1 15 VAC or 230 VAC, selector switch on rear panel
Frequency 50 Hz to 60 Hz
Power 15 W maximum
Line Fuse 100/1 15 V: 5 mm x 20 mm, T125 mA, 250 V,(IEC127-2/III, type GDC), user replaceable

230 V: 5 mm x 20 mm, T125 mA, 250 V,(IEC127-2/III, type GDC), user replaceable

Mechanical Specifications

Table 1–2 lists the mechanical specifications for the TR 210 Huntron Tracker.

T able 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)
Shipping Weight Approximately 7 lbs. (3 kg)

Environmental Specifications

Table 1–3 lists the environmental specifications for the TR 210 Huntron Tracker.

T able 1–3: Environmental specifications

Application Indoor use
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)
Relative Humidity < 80% up to 31 °C, derated linearly to 50% at 40 °C

1–2

TR 210 Service Manual

Certifications and Compliances

Table 1–4 lists the certifications and compliances for the TR 210 Huntron
Tracker.

T able 1–4: Certifications and compliances

Characteristic Description

Specifications

EC Declaration of Conformity –
EMC

EC Declaration of Conformity –
Low Voltage

Approvals UL3111-1 – Standard for electrical measuring and test equipment

Installation Category Descriptions Terminals on this product may have different installation category designations. The installation

Pollution Degree 2

Meets intent 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:

EN 50081-1 Emissions:

EN 55011 Class B Radiated and Conducted Emissions

EN 50082-1 Immunity:

IEC 1000-4-2 Electrostatic Discharge Immunity
IEC 1000-4-3 RF Electromagnetic Field Immunity
IEC 1000-4-4 Electrical Fast Transient/Burst Immunity
IEC 1000-4-5 Power Line Surge Immunity

Compliance was demonstrated to the following specification as listed in the Official Journal of the
European Communities:

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

CAN/CSA C22.2 No. 1010.1 – Safety requirements for electrical equipment for measurement,
control and laboratory use

categories are:
CA T III Distribution-level mains (usually permanently connected). Equipment at this level is

typically in a fixed industrial location

CA T II Local-level mains (wall sockets). Equipment at this level includes appliances, portable

tools, and similar products. Equipment is usually cord-connected

CA T I Secondary (signal level) or battery operated circuits of electronic equipment

TR 210 Service Manual

1–3

Specifications

1–4

TR 210 Service Manual

Installation

Power Configuration

This section describes how to configure the TR 210 Huntron Tracker and connect
it to an oscilloscope.

For the following discussion, refer to Figure 2–1 for the location of the rear
panel features.

CAUTION. To avoid product damage, set the line selector switch to the correct
position and install the correct fuse before applying line power.

Line Selector Switch

Line Fuse

50/60 Hz Selector Switch

Line fuse

Set the line selector switch to the correct position for 100/115 V
operation.

The power entry module has a removeable tray that contains the line fuse and a
spare fuse. Install the correct line fuse according to the specification on
page 1–2. To replace the fuse, see Figure 6–1 on page 6–6.

Set the 50/60 Hz selector switch, located on the rear panel, to the setting that
matches your line frequency.

To oscilloscope X and Y inputs

or 230 V

AC

AC

Power switch Line voltage

Figure 2–1: TR 210 rear panel

TR 210 Service Manual

Line frequency

2–1

Installation

Oscilloscope Connection

The TR 210 Huntron Tracker works with an analog or digital oscilloscope to
display component signatures. The oscilloscope must be capable of displaying an
untriggered XY waveform that is generated by the TR 210 Huntron Tracker.

Connect the TR 210 Huntron Tracker to the oscilloscope as shown in Figure 2–2.

Figure 2–2: Connecting the TR 210 Huntron Tracker to an oscilloscope

Test oscilloscope

TR 210 (rear)

(Y)
(X)

When operating the TR 210 Huntron Tracker, set the oscilloscope to the
following settings:

1. Set the channel 1 and channel 2 vertical scale to 1 V/div.

2. Set the channel 1 and channel 2 vertical positions to center screen.

3. Set the time base to 5 ms/div.

4. Set the trigger source to channel 1.

5. Turn on XY display mode.

2–2

TR 210 Service Manual