Tektronix AWG5000B Series User manual

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xx
AWG5000B and AWG5000C Series
Arbitrary Waveform Generators
ZZZ
Service Manual
*P077030401*
077-0304-01

AWG5000B and AWG5000C Series
Arbitrary Waveform Generators
ZZZ
Service Manual
xx
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
077-0304-01

Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries
or suppliers, and are protected by national copyright laws and international treaty provisions.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication
supersedes 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.
14150 SW Karl Braun Drive
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
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.
[W2 – 15AUG04]

Table of Contents
General Safety Summary ......................................................................................... vi
Service Safety Summary......................................................................................... viii
Environmental Considerations................................................................................... ix
Preface.............................................................................................................. xi
Manual Structure.............................................................................................. xi
Manual Conventions.......................................................................................... xi
Operating Information
Operating Information ........................................................................................... 1-1
Operating Information....................................................................................... 1-1
Theory of Operation
Theory of Operation.............................................................................................. 2-1
Overview ..................................................................................................... 2-1
Module Overviews .......................................................................................... 2-4
Adjustment Procedures
Adjustment Procedures .......................................................................................... 3-1
Adjustment Interval.......................................................................................... 3-1
Adjustment After Repair.................................................................................... 3-1
Required Equipment......................................................................................... 3-2
Adjustment Overview....................................................................................... 3-2
Calibration Procedure ....................................................................................... 3-4
Maintenance
Maintenance....................................................................................................... 4-1
Preparation.................................................................................................... 4-1
Preventing ESD.............................................................................................. 4-1
Inspection and Cleaning..................................................................................... 4-2
Removal and Installation Procedures........................................................................... 4-6
Preparation.................................................................................................... 4-6
Summary of Procedures..................................................................................... 4-7
Required Equipment......................................................................................... 4-8
Procedures for External Modules .......................................................................... 4-9
Procedures for Internal Modules (Upper) (AWG5000C Series)...................................... 4-19
Procedures for Internal Modules (Upper) (AWG5000B Series)...................................... 4-29
Procedures for Internal Modules (Lower)............................................................... 4-41
AWG5000B and AWG5000C Series Service Manual i

Table of Contents
Troubleshooting................................................................................................. 4-52
Required Equipment....................................................................................... 4-52
Fault Isolation Procedure ................................................................................. 4-52
Instrument Diagnostics.................................................................................... 4-59
Calibration Error........................................................................................... 4-66
Hardware Error............................................................................................. 4-69
After Repair ................................................................................................ 4-71
Returning the Instrument for Service.................................................................... 4-72
Replaceable Parts
Replaceable Parts................................................................................................. 5-1
Parts Ordering Information ................................................................................. 5-1
Using the Replaceable Parts List........................................................................... 5-2
ii AWG5000B and AWG5000C Series Service Manual

List of Figures
Figure 2-1: AWG5000C Series block diagram................................................................ 2-2
Figure 2-2: AWG5000B Series block diagram................................................................ 2-3
Figure 3-1: Service UI menu.................................................................................... 3-3
Figure 3-2: 10 MHz Reference clock calibration test hookup............................................... 3-4
Figure 3-3: 10 MHz Reference Calibration dialog box ...................................................... 3-5
Figure 4-1: Disassembly procedures for external modules and internal modules (top) ......... ......... 4-7
Figure 4-2: Disassembly procedures for internal modules (bottom)........................................ 4-8
Figure 4-3: Handle, snaps, cosmetic covers, and front-trim unit removal ............................... 4-10
Figure 4-4: EMI cover removal............................................................................... 4-12
Figure 4-5: Fan tray unit removal ............................................................................ 4-14
Figure 4-6: Disassembly of front-panel assembly (AWG5000C Series)................................. 4-16
Figure 4-7: Disassembly of front-panel assembly (AWG5000B Series)................................. 4-18
Figure 4-8: Location of the cable ties ........................................................................ 4-19
Figure 4-9: Drive module removal (AWG5000C Series).................................................. 4-21
Figure 4-10: Multi-Input/Output removal (AWG5000C Series) .......................................... 4-22
Figure 4-11: Processor board removal (AWG5000C Series) .............................................. 4-24
Figure 4-12: Secondary power supply, power supply, and RFI filter removal........................... 4-27
Figure 4-13: Power board removal........................................................................... 4-28
Figure 4-14: Location of the cable ties....................................................................... 4-29
Figure 4-15: Drive module removal (AWG5000B) ........................................................ 4-31
Figure 4-16: Removing the clamp cover..................................................................... 4-32
Figure 4-17: Multi-Input/Output and Display Adapter board removal (AWG5000B Series).......... 4-33
Figure 4-18: Processor board removal (AWG5000B Series).............................................. 4-36
Figure 4-19: Secondary power supply, power supply, and RFI filter removal........................... 4-39
Figure 4-20: Power board removal........................................................................... 4-40
Figure 4-21: Front Connector board, CLK1G module, AWG1G board, and OUT1G boards removal
(4-channel model) ......................................................................................... 4-42
Figure 4-22: Disassembly of the CLK1G module .......................................................... 4-44
Figure 4-23: Cable post on the AWG1G board (2 CH) .................................................... 4-45
Figure 4-24: Cable post on the AWG1G board (4 CH) .................................................... 4-46
Figure 4-25: Location of the cable ties....................................................................... 4-48
Figure 4-26: Location of the cable ties....................................................................... 4-50
Figure 4-27: Primary troubleshooting tree (1) .............................................................. 4-53
Figure 4-28: Primary troubleshooting tree (2) .............................................................. 4-54
Figure 4-29: PWR board test points (J104).................................................................. 4-55
Figure 4-30: Secondary power supply test points (CN51 and CN61) .................................... 4-56
Figure 4-31: AWG1G board test points (J2000) ............................................................ 4-57
Figure 4-32: OUT1G board test points (J7000)............................................................. 4-58
Figure 4-33: Diagnostics dialog box ......................................................................... 4-59
AWG5000B and AWG5000C Series Service Manual iii

Table of Contents
Figure 4-34: Calibration dialog box.......................................................................... 4-66
Figure 5-1: Cosmetics............................................................................................ 5-4
Figure 5-2: EMI covers.......................................................................................... 5-5
Figure 5-3: AWG5000C Series Chassis assembly............................................................ 5-6
Figure 5-4: AWG5000B Series Chassis assembly............................................................ 5-7
Figure 5-5: AWG5000C Series front-panel assembly........................................................ 5-9
Figure 5-6: AWG5000B Series front-panel assembly...................................................... 5-11
Figure 5-7: AWG5000C Series drive modules.............................................................. 5-13
Figure 5-8: AWG5000B Series drive modules.............................................................. 5-15
Figure 5-9: AWG5000C Series Processor module.......................................................... 5-17
Figure 5-10: AWG5000B Series Processor module ........................................................ 5-19
Figure 5-11: Power supply assembly......................................................................... 5-21
Figure 5-12: AWG5000C Series PCI/power interface module............................................ 5-23
Figure 5-13: AWG5000B Series PCI/power interface module............................................ 5-26
Figure 5-14: Fan tray assembly............................................................................... 5-27
Figure 5-15: USB module ..................................................................................... 5-28
Figure 5-16: AWG1G/CLK1G/OUT1G modules........................................................... 5-30
Figure 5-17: CLK1G module ................................................................................. 5-31
Figure 5-18: AWG1G module ................................................................................ 5-33
Figure 5-19: BNC bracket..................................................................................... 5-35
Figure 5-20: Rear connectors ................................................................................. 5-37
iv AWG5000B and AWG5000C Series Service Manual

Table of Contents
List of Tables
Table 3-1: Adjustments required for module replaced ....................................................... 3-1
Table 3-2: Test equipment....................................................................................... 3-2
Table 4-1: External inspection checklist....................................................................... 4-3
Table 4-2: Internal inspection checklist........................................................................ 4-5
Table 4-3: Required tools for module removal and reinstall................................................. 4-8
Table 4-4: Test points voltage (J104)......................................................................... 4-55
Table 4-5: Test points voltage (CN51 and CN61) .......................................................... 4-56
Table 4-6: Test points voltage (J2000) ....................................................................... 4-57
Table 4-7: Test points voltage (J7000 or J6000) ............................................................ 4-58
Table 4-8: Diagnostics error................................................................................... 4-60
Table 4-9: Calibration error ................................................................................... 4-67
Table 4-10: Hardware error ................................................................................... 4-69
AWG5000B and AWG5000C Series Service Manual v

General Safety Summary
General SafetySummary
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.
Ground theproduct.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.
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.
Donotblockthepowercord;itmustremain 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 that 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.
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.
vi AWG5000B and AWG5000C Series Service Manual

General Safety Summary
TermsinThisManual 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.
Symbols and Terms on the
Product
These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read
the marking.
WARN ING indicates an injury hazard not immediately accessible as you
read the marking.
CAUTION indicates a hazard to property including the product.
The following symbol(s) may appear on the product:
AWG5000B and AWG5000C Series Service Manual vii

Service Safety Summary
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.
viii AWG5000B and AWG5000C Series Service Manual

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.
This symbol 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. 1
Perchlorate Materials. This product contains one or more type CR lithium
coin cell batteries. According to the state of California, CR lithium coin
cells are classified as perchlorate materials and require special handling. See
www.dtsc.ca.gov/hazardouswaste/perchlorate for additional information.
1The mercury notification applies only to the AWG5000B Series instruments.
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.
AWG5000B and AWG5000C Series Service Manual ix

Environmental Considerations
x AWG5000B and AWG5000C Series Service Manual

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.
YoushouldalsoreadtheGeneralandService safety summaries before servicing
the product.
Manual Structure
This manual is divided into sections, which are made up of related subordinate
topics. 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 starting 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 General Safety Summary found
at the beginning of this manual.
AWG5000B and AWG5000C Series Service Manual xi

Preface
xii AWG5000B and AWG5000C Series Service Manual

Operating Information