Tektronix AWG5000 Series User manual

Revision A
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
Service Manual
AWG5000 Series
Arbitrary Waveform Generators
071-2083-00

Copyright ©Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its suppliers and
are protected by United States copyright laws and international treaty provisions.
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 and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14200 SW Karl Braun Drive or P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
In North America, call 1-800-833-9200.
Worldwide, visit www.tektronix.com to find contacts in your area.

Warranty 2
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1)
year from the date of shipment. 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, 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 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.

AWG5000 Series Service Manual i
Table of Contents
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Environmental Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Manual Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Operating Information
General Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Theory of Operation
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Module Overviews . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Adjustment Procedures
Adjustment Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Adjustment After Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Adjustment Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Maintenance
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Preventing ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Inspection and Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Removal and Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Summary of Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Procedures for External Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Procedures for Internal Modules (Upper) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Procedures for Internal Modules (Lower) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Fault Isolation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Instrument Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Calibration Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Hardware Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53
After Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55
Returning the Instrument for Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56

Table of Contents
ii AWG5000 Series Service Manual
Replaceable Parts
Parts Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Using the Replaceable Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

List of Figures
AWG5000 Series Service Manual iii
List of Figures
Figure 2-1: AWG5000 Series block diagram . . . . . . . . . . . . . . . . . . . . . . . 2-2
Figure 3-1: Service UI menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Figure 3-2: 10 MHz Reference clock calibration test hookup . . . . . . . . . 3-5
Figure 3-3: 10 MHz Reference Calibration dialog box . . . . . . . . . . . . . . . 3-6
Figure 4-1: Disassembly procedures for external modules and internal
modules (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Figure 4-2: Disassembly procedures for internal modules (bottom) . . . . 4-9
Figure 4-3: Handle, snaps, cosmetic covers, and front-trim unit
removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Figure 4-4: EMI covers removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Figure 4-5: Fan tray unit removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Figure 4-6: Disassembly of front-panel assembly . . . . . . . . . . . . . . . . . . 4-16
Figure 4-7: Location of the cable ties . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Figure 4-8: Drive module removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Figure 4-9: Removing the clamp cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Figure 4-10: Multi-Input/Output board removal . . . . . . . . . . . . . . . . . . 4-20
Figure 4-11: Processor board removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Figure 4-12: Secondary power supply, power supply, and RFI filter
removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Figure 4-13: Power board removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Figure 4-14: Front Connector board, CLK1G module, AWG1G board,
and OUT1G boards removal (4-channel model) . . . . . . . . . . . . . . . . . 4-27
Figure 4-15: Disassembly of the CLK1G module . . . . . . . . . . . . . . . . . . 4-29
Figure 4-16: Location of the cable clamps on the AWG1G board . . . . . 4-30
Figure 4-17: Location of the cable clamp on the AWG1G board . . . . . 4-32
Figure 4-18: Location of the cable ties . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Figure 4-19: Location of the cable ties . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Figure 4-20: Primary troubleshooting tree (1) . . . . . . . . . . . . . . . . . . . . 4-38
Figure 4-21: Primary troubleshooting tree (2) . . . . . . . . . . . . . . . . . . . . 4-39
Figure 4-22: PWR board test points (J104) . . . . . . . . . . . . . . . . . . . . . . . 4-40
Figure 4-23: Secondary power supply test points (CN51 and CN61) . . 4-41
Figure 4-24: AWG1G board test points (J2000) . . . . . . . . . . . . . . . . . . . 4-42
Figure 4-25: OUT1G board test points (J7000) . . . . . . . . . . . . . . . . . . . . 4-43

List of Figures
iv AWG5000 Series Service Manual
Figure 4-26: Diagnostics dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Figure 4-27: Calibration dialog box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Figure 5-1: Exploded diagram - Cosmetics . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Figure 5-2: Exploded diagram - EMI Covers . . . . . . . . . . . . . . . . . . . . . . . 5-6
Figure 5-3: Exploded diagram - Chassis assembly . . . . . . . . . . . . . . . . . . 5-7
Figure 5-4: Exploded diagram - Front-panel assembly . . . . . . . . . . . . . . . 5-9
Figure 5-5: Exploded diagram - Drive module . . . . . . . . . . . . . . . . . . . . 5-11
Figure 5-6: Exploded diagram - Processor module . . . . . . . . . . . . . . . . . 5-13
Figure 5-7: Exploded diagram - Power supply assembly . . . . . . . . . . . . 5-15
Figure 5-8: Exploded diagram - PCI/power interface module . . . . . . . . 5-17
Figure 5-9: Exploded diagram - Fan tray assembly . . . . . . . . . . . . . . . . 5-18
Figure 5-10: Exploded diagram - USB module . . . . . . . . . . . . . . . . . . . . 5-19
Figure 5-11: Exploded diagram - AWG1G/CLK1G/OUT1G modules . 5-21
Figure 5-12: Exploded diagram - CLK1G module . . . . . . . . . . . . . . . . . 5-22
Figure 5-13: Exploded diagram - AWG1G module . . . . . . . . . . . . . . . . . 5-23
Figure 5-14: Exploded diagram - BNC bracket . . . . . . . . . . . . . . . . . . . . 5-25
Figure 5-15: Exploded diagram - Rear connectors . . . . . . . . . . . . . . . . . 5-26

List of Tables
AWG5000 Series Service Manual v
List of Tables
Table 1-1: General features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Table 1-2: Combination of instrument options . . . . . . . . . . . . . . . . . . . . . 1-2
Table 3-1: Test equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Table 4-1: External inspection checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Table 4-2: Internal inspection checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Table 4-3: Tools required for module removal and reinstall . . . . . . . . . . 4-9
Table 4-4: Test points voltage (J104) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Table 4-5: Test points voltage (CN51 and CN61) . . . . . . . . . . . . . . . . . . 4-41
Table 4-6: Test points voltage (J2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42
Table 4-7: Test points voltage (J7000 or J6000) . . . . . . . . . . . . . . . . . . . 4-43
Table 4-8: Diagnostics error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-45
Table 4-9: Calibration error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51
Table 4-10: Hardware error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53

List of Tables
vi AWG5000 Series Service Manual

AWG5000 Series 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.
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.
Connect and Disconnect Properly. Do not connect or disconnect probes or test
leads while they are connected to a voltage source.
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 inputs are not rated for connection to mains or Category II, III, or IV circuits.
Do not apply a potential to any terminal, including the common terminal, that
exceeds the maximum rating of that terminal.
Power Disconnect. The power cord disconnects the product from the power source.
Do not block the power cord; it must remain accessible to the user at all times.
Do Not Operate Without Covers. Do not operate this product with covers or panels
removed.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
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.

General Safety Summary
viii AWG5000 Series Service Manual
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.
Symbols and Terms Terms in this Manual. These terms may appear in this 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:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Cautions statements identify conditions or practices that could result in
damage to this or other property.
WARNING
High Voltage
Protective Ground
(Earth) Terminal
CAUTION
Refer to Manual
Double
Insulated

AWG5000 Series 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, switch off the instrument power, then
disconnect the power cord from the mains power.
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
xAWG5000 Series Service Manual

AWG5000 Series Service Manual xi
Environmental Considerations
This section provides information about the environmental impact of the product.
Product End-of-Life
Handling
Observe the following guidelines when recycling an instrument or component:
Equipment Recycling. Production of this equipment required the extraction and use
of natural resources. The equipment may contain substances that could be harmful
to the environment or human health if improperly handled at the product's end of
life. In order to avoid release of such substances into the environment and to reduce
the use of natural resources, we encourage you to recycle this product in an
appropriate system that will ensure that most of the materials are reused or recycled
appropriately.
The symbol shown to the left indicates that this product
complies with the European Union's requirements according to
Directive 2002/96/EC on waste electrical and electronic
equipment (WEEE). For information about recycling options,
check the Support/Service section of the Tektronix Web site
(www.tektronix.com).
Mercury Notification. This product uses an LCD backlight lamp that contains
mercury. Disposal may be regulated due to environmental considerations. Please
contact your local authorities or, within the United States, the Electronics
Industries Alliance (www.eiae.org) for disposal or recycling information.
Restriction of Hazardous
Substances
This product has been classified as Monitoring and Control equipment, and is
outside the scope of the 2002/95/EC RoHS Directive. This product is known to
contain lead, cadmium, mercury, and hexavalent chromium.

Environmental Considerations
xii AWG5000 Series Service Manual

AWG5000 Series Service Manual xiii
Preface
This manual contains service information for your instrument. Read this preface to
learn how this manual is structured, the conventions it uses, and where to find
additional supplemental information related to servicing this product.
You should also read the General and Service safety summaries before servicing
the product.
Manual Structure
This manual is divided into chapters, which are made up of related subordinate
topics. These topics can be cross referenced as sections.
Be sure to read the introductions to all procedures. These introductions provide
important information needed to do the service correctly, safely, and efficiently.
Manual Conventions
This manual uses certain conventions that you should become familiar with before
attempting service.
Modules Throughout this manual, any replaceable component, assembly, or part is referred
to by the term module. A module is composed of electrical and mechanical
assemblies, circuit boards, interconnecting cables, and user-accessible controls.
Replaceable Parts This manual refers to any field-replaceable assembly or mechanical part
specifically by its name or generically as a replaceable part. In general, a
replaceable part is any circuit board or assembly, such as the hard disk drive, or a
mechanical part, such as the I/O port connectors, that is listed in the replaceable
parts list of this manual.
Safety Symbols and terms related to safety appear in the Service Safety Summary found at
the beginning of this manual.

Preface
xiv AWG5000 Series Service Manual

Operating Information