Tektronix TLA7L1, TLA7L2, TLA7L3, TLA7L4 Service Manual

Service Manual

TLA 700 Series Logic Analyzer Modules TLA 7Lx & TLA 7Mx
070-9779-02
This document supports module firmware version
1.00 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.
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. MagniVu and PowerFlex are registered trademarks of Tektronix, 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 P ARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY T O 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.
TEKTRONIX SERVICE OPTIONS
T ektronix offers the following service options. These options are modular, flexible, and easy to order with your instru­ment. Designed to ease installation and start up, to support tracking of calibration to requirements of ISO9000, and to provide for extended repair coverage, these options help fix your long-term maintenance costs and eliminate un­planned expenditures. And these options can be converted from service at T ektronix service depots to service on-site (see Option S3), which helps keep downtime to a minimum.
Product installation service
1
Option IN Provides initial installation of the product and
familiarizes new users with some of its opera­tion features
Three years of calibration services Option C3 Provides initial Certification on delivery, plus
two more annual calibrations from your ser­vice center
Test data Option D3 Provides test data on delivery and when annu-
al calibration services are provided (three to­tal, requires Option C3)
Three years repair coverage Option R3 Provides three years of repair coverage for the
instrument, including displays and accessories sold with the instrument
One year uplift to on–site service
1,2
Option S1 Converts the standard one year, “return to de-
pot” warranty to provide service on site for one year
Three year uplift to on-site service
1,2
Option S3 Converts any C3, D3, and R3 options pur-
chased to on-site services for three years
Tektronix Service Options are available at the time you order your instrument. Contact your local Tektronix Sales Office for more information.
1
Availability of installation and on-site services depends on the type of product and may vary by geography.
2
Uplift options are ordered with the mainframe products and cover individual modules.

Table of Contents

Specifications

Operating Information

General Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Structure xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Conventions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment and Certification Interval xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Strategy for Servicing xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Offerings xvi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contacting T ektronix xviii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristic T ables 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the Logical Address 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Merging Modules 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Information 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel Connectors and Indicators 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Merge Cable Connectors 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Panel Connectors 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Probes 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Online Help 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostics 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Self Calibration 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Overview 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Theory of Operation

Block Level Description 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Processor Unit Board 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquisition Board 3–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daughter Boards 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Probes 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Merged Modules 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance Verification Procedures

TLA 700 Series Logic Analyzer Modules Service Manual
i
Table of Contents

Adjustment Procedures

Maintenance

Related Maintenance Procedures 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventing ESD 6–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Cleaning 6–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Care 6–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Cleaning Procedures 6–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal and Installation Procedures 6–7. . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation — Please Read 6–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Circuit Boards 6–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of Procedures 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T ools Required 6–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Injector/Ejector Handles 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cover 6–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daughter Boards 6–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Processor Unit Board 6–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquisition Board 6–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses 6–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P6417 Probe Podlet Replacement 6–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear EMI Gaskets 6–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 6–29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Level 6–29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Required Documents 6–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Common Problems 6–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Eliminate Other Problem Sources 6–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Substitute a Good Module 6–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check the Mainframe 6–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Probe-Level Troubleshooting 6–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshoot the Logic Analyzer Module 6–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Required 6–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 6–34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Isolation Procedure 6–35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Primary Troubleshooting Chart 6–37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic T ests Table 6–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment After Repair 6–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview of Procedures 6–41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TLA 700 Series Logic Analyzer Modules Service Manual
Repackaging Instructions 6–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Packaging 6–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 6–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Options

Replaceable Electrical Parts

Diagrams

Replaceable Mechanical Parts

Parts Ordering Information 10–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Replaceable Parts List 10–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents
TLA 700 Series Logic Analyzer Modules Service Manual
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Table of Contents

List of Figures

Figure 2–1: Logical address switches 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: Front panel of the logic analyzer module 2–4. . . . . . . . . . . . .
Figure 2–3: Typical system window 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–1: Injector/ejector handle replacement 6–9. . . . . . . . . . . . . . . . .
Figure 6–2: Cover removal 6–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–3: Feeding the merge cable through the cover 6–12. . . . . . . . . . .
Figure 6–4: Seating the cover on the chassis 6–13. . . . . . . . . . . . . . . . . . . . .
Figure 6–5: Daughter board replacement 6–15. . . . . . . . . . . . . . . . . . . . . . .
Figure 6–6: LPU board removal 6–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–6: LPU board removal 6–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–7: Inserting LPU board tabs into front subpanel 6–18. . . . . . . . .
Figure 6–8: Crimping the interconnect cables 6–19. . . . . . . . . . . . . . . . . . .
Figure 6–9: Removing the cables from the Acquisition board 6–21. . . . . .
Figure 6–10: Removing the Merge cable connector from the chassis 6–22
Figure 6–11: Removing the Acquisition board from the chassis 6–23. . . . .
Figure 6–12: Fuse replacement 6–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–13: Rear EMI gasket removal 6–27. . . . . . . . . . . . . . . . . . . . . . . .
Figure 6–14: Rear EMI gasket replacement 6–27. . . . . . . . . . . . . . . . . . . . .
Figure 6–15: Primary troubleshooting chart 6–37. . . . . . . . . . . . . . . . . . . .
Figure 9–1: Interconnections 9–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9–2: Block diagram 9–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–1: TLA 7L1 and TLA 7M1 Logic Analyzer Module
exploded view 10–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–2: TLA 7L2 and TLA 7M2 Logic Analyzer Module
exploded view 10–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–3: TLA 7L3 and TLA 7M3 Logic Analyzer Module
exploded view 10–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–4: TLA 7L4 and TLA 7M4 Logic Analyzer Module
exploded view 10–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10–5: P6417 Probe exploded view 10–21. . . . . . . . . . . . . . . . . . . . . . .
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TLA 700 Series Logic Analyzer Modules Service Manual

List of Tables

Table of Contents
Table 1–1: Logic analyzer module variations 1–1. . . . . . . . . . . . . . . . . . .
Table 1–2: Channel width and depth 1–2. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: Clocking 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–4: Trigger system 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–5: Input parameters (with P6417 Probe) 1–7. . . . . . . . . . . . . . . .
Table 1–6: MagniVu feature 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–7: Merged modules 1–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–8: Data handling 1–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–9: Atmospherics 1–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–10: Mechanical 1–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–11: Certifications and compliances 1–9. . . . . . . . . . . . . . . . . . . . .
Table 2–1: Logic analyzer module variations 2–5. . . . . . . . . . . . . . . . . . .
Table 3–1: Local Processor Unit board fuses 3–3. . . . . . . . . . . . . . . . . . . .
Table 3–2: Acquisition board fuses 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6–1: External inspection check list 6–3. . . . . . . . . . . . . . . . . . . . . . .
Table 6–2: Internal inspection check list 6–4. . . . . . . . . . . . . . . . . . . . . . .
Table 6–3: Tools required for circuit board replacement 6–8. . . . . . . . . .
Table 6–4: Failure symptoms and possible causes 6–29. . . . . . . . . . . . . . . .
Table 6–5: Diagnostic tests 6–36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6–6: Requirements after replacement 6–38. . . . . . . . . . . . . . . . . . . .
Table 6–7: Troubleshooting overview 6–39. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 7–1: TLA 7L1, TLA 7L2, TLA 7L3, and TLA 7L4 options 7–1. . . Table 7–2: TLA 7M1, TLA 7M2, TLA 7M3, and TLA 7M4 options 7–1.
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Table of Contents
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TLA 700 Series Logic Analyzer Modules 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.
While using this product, you may need to access other parts of the system. Read the General Safety Summary in other system manuals for warnings and cautions related to operating the instrument.
To Avoid Fire or Personal Injury
Ground the Product. This product is indirectly grounded through the grounding
conductor of the mainframe 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 marking 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.
Do Not Operate Without Covers. Do not operate this product with covers or panels removed.
Use Proper Fuse. Use only the fuse type and rating specified for this product. Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
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.
TLA 700 Series Logic Analyzer Modules Service Manual
vii
General Safety Summary
Symbols and Terms
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.
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
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TLA 700 Series Logic Analyzer Modules 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 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.
TLA 700 Series Logic Analyzer Modules Service Manual
ix
Service Safety Summary
x
TLA 700 Series Logic Analyzer Modules Service Manual

Preface

Manual Structure

This is the service manual for the TLA 7Lx/TLA 7Mx Logic Analyzer Module. Read this preface to learn how this manual is structured, what conventions it uses, and where you can find other information related to servicing this product. Read the Introduction, which follows this preface, for safety and other important background information needed before using this manual for servicing this product.
The TLA 7Lx/TLA 7Mx Logic Analyzer Module Service 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 in the sections and subsections because they contain information that you will need to do the service correctly and efficiently.
A brief description of each chapter follows: Specifications contains a product description of the TLA 7Lx/TLA 7Mx
Logic Analyzer Module and tables of the characteristics and descriptions that apply to it.
Operating Information includes basic installation and operating instructions
at the level needed to safely operate and service the TLA 7Lx/TLA 7Mx Logic Analyzer Module. For complete installation and configuration procedures, refer to the TLA 700 Series Installation Manual. Instructions for shipping the module are also found in this chapter.
Theory of Operation contains circuit descriptions that support general service
to the circuit board level.
Performance Verification refers you to the TLA 700 Series Performance
Verification and Adjustment Technical Reference Manual that contains the
performance verification procedures for the TLA 7Lx/TLA 7Mx Logic Analyzer Module and for other major components in the TLA 700 Series Logic Analyzer.
Adjustment Procedures refer you to the TLA 700 Series Performance
Verification and Adjustment Technical Reference Manual that contains the
adjustment procedures for the TLA 7Lx/TLA 7Mx Logic Analyzer Module and for other major components in the TLA 700 Series Logic Analyzer.
TLA 700 Series Logic Analyzer Modules Service Manual
xi
Preface

Manual Conventions

Maintenance contains information and procedures for doing preventive and
corrective maintenance on the TLA 7Lx/TLA 7Mx Logic Analyzer Module.
Included are instructions for cleaning, for removal and installation of
replaceable parts, and for troubleshooting to the circuit board level. Options contains information on servicing any of the factory-installed
options that may be available for the TLA 7Lx/TLA 7Mx Logic Analyzer
Module. Diagrams contains block diagrams and interconnection diagrams that are
useful when isolating failed circuit boards. Mechanical Parts List includes a table of all replaceable parts, their
descriptions, and their Tektronix part numbers.
This manual uses certain conventions that you should become familiar with before attempting service.
Acquisition Board
Adjustment Procedures
Adjustment/Verification
Fixture
Certification Procedures
The acquisition board is one of the circuit boards inside the TLA 7Lx/TLA 7Mx Logic Analyzer Module. The circuit board receives and stores acquisition data from the probes and works with the LPU board to provide logic analysis information to the operator of the TLA 700 Series Logic Analyzer.
Adjustment procedures check for, and if necessary, correct any adjustment errors discovered when performing functional or performance verification procedures. Adjustment procedures are documented in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual.
The adjustment/verification fixture is a test fixture used to perform the adjust­ment, functional check, and performance verification procedures. Specifications and replaceable parts information are documented in this service manual. The procedures for using the test fixture are documented in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual.
Certification procedures are used to certify a product and provide a traceability path to national standards. These procedures are documented in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual.
xii
Daughter Board
The daughter board provides additional channels for the TLA 700 Series Logic Analyzer. Data from these channels is sent to the acquisition board for proces­sing with other data from the acquisition board.
TLA 700 Series Logic Analyzer Modules Service Manual
Preface
Functional Verification
Procedures
LPU Board
Maintenance Procedures
Modules
Functional verification procedures verify the basic functionality of the main­frame and the module inputs, outputs, and basic logic analyzer actions. These procedures include power-on and extended diagnostics, self calibration, as well as semi-automated or manual check procedures. These procedures can be used as incoming inspection purposes. This manual only provides information on power-on and extended diagnostics and the self calibration. Other functional verification procedures are provided in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual.
The Local Processor Unit (LPU) Board. The LPU board is one of the circuit boards inside the TLA 7Lx/TLA 7Mx Logic Analyzer Module that provides the main communications interface with the TLA 700 Series Logic Analyzer mainframe.
Maintenance procedures are used for fault isolation and repair to the circuit board level or to the replaceable part level.
Throughout this manual, the term module refers to a TLA 700 Series Logic Analyzer or DSO unit that mounts inside a TLA 700 Series Portable or Benchtop Mainframe. A module is composed of circuit cards, interconnecting cables, and a user-accessible front panel.
Performance Verification
Procedures
Replaceable Parts
Safety
Performance verification procedures confirm that a product meets or exceeds the performance requirements for each of the published specifications. These procedures are documented in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual.
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.
Symbols and terms related to safety appear in the Safety Summary found at the beginning of this manual.
TLA 700 Series Logic Analyzer Modules Service Manual
xiii
Preface

Related Manuals

The following manuals are available as part of the TLA 700 Series Logic Analyzer documentation set. (See Standard Accessories and Optional Accesso- ries on page 10–20 for part numbers.)
The procedures and information in this manual assumes that service personnel have access to all manuals listed in the following table, except for the TLA 7QS (Quick Start) manuals.
Manual Name Description Service Use
The TLA 700 Series Installation Manual Provides the basic installation instructions
for the TLA 700 Series Logic Analyzer.
The TLA 700 Series Performance Verifica -
tion and Adjustment T echnical Reference Manual
The TLA 700 Series User Manual and TLA 700 Online Help
The TLA 711 Color Benchtop Chassis Service Manual
The TLA 711 Color Benchtop Controller Service Manual
The TLA 704 Color Portable Mainframe Service Manual
Provides performance verification, certifica­tion, and adjustment procedures for the TLA 700 Series Logic Analyzer.
Provides operating information on the TLA 700 Series Logic Analyzer.
Provides service information for the benchtop chassis.
Provides service information for the slot 0 controller in the benchtop chassis.
Provides service information for the portable mainframe.
Installation and removal of DSO, Logic Analyzer, and Benchtop-Controller Modules
Replacing individual podlet cables in the logic analyzer probes
Reformatting the hard disk Reinstallation of Windows 95 and TLA 700
software Performing periodic or after-repair function-
al or performance verifications, or calibra­tion and certification
Performing periodic or after-repair adjust­ment
Augments operating information found in chapter 2 of this manual.
Isolating and correcting failures in the benchtop chassis
Isolating and correcting failures in the benchtop controller
Isolating and correcting failures in the portable mainframe
The TLA 7Dx/TLA 7Ex Digitizing Oscillo-
scope Service Manual
The TLA 7QS Training Manual Provides examples of using the TLA
The TLA 7QS Technical Reference Manual Provides service information and technical
xiv
Provides service information for the digitizing oscilloscope modules.
QuickStart training board with TLA 700 Series Logic Analyzers.
information for the TLA QuickStart Training board.
TLA 700 Series Logic Analyzer Modules Service Manual
Isolating and correcting failures in the DSO module
None
Servicing the TLA Quickstart Training board only .

Introduction

This manual contains information needed to properly service the TLA 7Lx/ TLA 7Mx Logic Analyzer Module, as well as general information critical to safe and effective servicing.
To prevent personal injury or damage to the TLA 7Lx/TLA 7Mx Logic Analyzer Module, consider the following requirements before attempting service:
The procedures in this manual should be performed only by a qualified
service person.
Read the General Safety Summary and Service Safety Summary found at the
beginning of this manual.
Read the Preface beginning on page xi. Read Operating Information beginning on page 2–3.
When using this manual for servicing, be sure to follow all warnings, cautions, and notes.

Adjustment and Certification Interval

Generally, you should perform the adjustments and certification (calibration) described in the TLA 700 Series Performance Verification and Adjustment Technical Reference Manual once per year or following repairs that affect adjustment or calibration.

Strategy for Servicing

This manual contains the information needed for periodic maintenance and service of the TLA 7Lx/TLA 7Mx Logic Analyzer Module.
This manual also supports and contains information for corrective maintenance of this product:
supports isolation of faults to the failed circuit board or assembly level
shown in the replaceable parts list
supports removal and replacement of those boards or assemblies supports removal and replacement of fuse, knobs, chassis, and other
mechanical parts listed in the replaceable parts list
This manual does not support component-level fault isolation and replacement.
TLA 700 Series Logic Analyzer Modules Service Manual
xv
Introduction

Service Offerings

Tektronix provides service to cover repair under warranty as well as other services that are designed to meet your specific service needs.
Whether providing warranty repair service or any of the other services listed below, Tektronix service technicians are well equipped to service the TLA 7Lx/ TLA 7Mx Logic Analyzer Module. Tektronix technicians train on Tektronix products; they have access to the latest information on improvements to the TLA 7Lx/TLA 7Mx Logic Analyzer Module as well as the latest new product upgrades. Services are provided at Tektronix Services Centers and on-site at your
facility, depending on your location.
Warranty Repair Service
Calibration and Repair
Service
Tektronix warrants this product for one year from date of purchase. (The warranty appears behind the title page in this manual.) Tektronix technicians provide warranty service at most Tektronix service locations worldwide. The Tektronix product catalog lists all service locations worldwide or you can visit us on our Customer Services World Center web site at http://www.tek.com/Mea- surement/Service. See our latest service offerings and contact us by email.
In addition to warranty repair, Tektronix Service offers calibration and other services which provide cost-effective solutions to your service needs and quality­standards compliance requirements. Our instruments are supported worldwide by the leading-edge design, manufacturing, and service resources of Tektronix to provide the best possible service.
The following services can be tailored to fit your requirements for calibration and/or repair of the TLA 7Lx/TLA 7Mx Logic Analyzer Module.
Service Options. Tektronix Service Options can be selected at the time you purchase your instrument. You select these options to provide the services that best meet your service needs. These service options are listed on the Tektronix Service Options page following the title page of this manual.
xvi
Service Agreements. If service options are not added to the instrument purchase,
then service agreements are available on an annual basis to provide calibration services or post-warranty repair coverage for the TLA 7Lx/TLA 7Mx Logic Analyzer Module. Service agreements may be customized to meet special turn-around time and/or on-site requirements.
Service on Demand. Tektronix also offers calibration and repair services on a “per-incident” basis that is available with standard prices for many products.
TLA 700 Series Logic Analyzer Modules Service Manual
Introduction
Self Service. Tektronix supports repair to the replaceable-part level by providing for circuit board exchange.
Use this service to reduce down-time for repair by exchanging circuit boards for remanufactured ones. Tektronix ships updated and tested exchange boards. Each board comes with a 90-day service warranty.
When you exchange some circuit boards, such as the LPU board, you must supply the following information. This will allow the board to be preconfigured to the proper PowerFlex level for your logic analyzer. Alternatively, you can return the repaired module (with the necessary information) to your local service center for configuration.
Model number Serial number PowerFlex option upgrade number Firmware level
For More Information. Contact your local Tektronix service center or sales engineer for more information on any of the Calibration and Repair Services just described.
TLA 700 Series Logic Analyzer Modules Service Manual
xvii
Introduction

Contacting Tektronix

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: tm_app_supp@tek.com
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
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TLA 700 Series Logic Analyzer Modules Service Manual

Specifications

Product Description

This chapter provides a general description of the logic analyzer module and a list of specifications under Characteristic Tables beginning on page 1–2.
The logic analyzer module is designed to be used with either the benchtop mainframe or portable mainframe in a TLA 700 Series Logic Analyzer. The logic analyzer module is used as a test and measurement tool for high-speed digital timing and state acquisition across several channels.
Some of the key features of the logic analyzer module include the following: Standard channel widths and memory depths as listed in Table 1–1
T able 1–1: Logic analyzer module variations
Product Number of channels Memory depth
TLA 7L1 34 32 K
TLA 7L2 68 32 K
TLA 7L3 102 32 K
TLA 7L4 136 32 K
1 1 1 1
TLA 7M1 34 512 K
TLA 7M2 68 512 K
TLA 7M3 102 512 K
TLA 7M4 136 512 K
1
PowerFlex configurable to 128 K
100 MHz synchronous acquisition with a programmable setup and hold
window (PowerFlex configurable to 200 MHz)
250 MHz asynchronous full depth selections with selectable sampling rates 2 GHz asynchronous acquisition into a 2 K high resolution timing buffer 250 MHz trigger capability, plus special setup and hold violation triggering
and glitch triggering
Data correlation with other modules
TLA 700 Series Logic Analyzer Modules Service Manual
1–1
Specifications

Characteristic Tables

This section lists the specifications for the logic analyzer module. All specifica­tions are guaranteed unless noted Typical. Specifications that are marked with the
n symbol are checked directly (or indirectly) in the TLA 700 Series Perfor- mance Verification and Adjustment Technical Reference Manual. The specifica-
tions apply to all versions of the logic analyzer module unless otherwise noted. The performance limits in this specification are valid with these conditions: H The logic analyzer module must have been calibrated/adjusted at an ambient
temperature between +20
_ C and +30_ C.
H The logic analyzer module must be in an environment with temperature,
altitude, humidity, and vibration within the operating limits described in
these specifications. H The logic analyzer module must have had a warm-up period of at least
30 minutes. H The logic analyzer module must have had its signal-path-compensation
routine (self calibration) last executed after at least a 30 minute warm-up
period.
T able 1–2: Channel width and depth
Characteristic Description
Number of channels Product Channels
TLA 7L1 and TLA 7M1 32 data and 2 clock TLA 7L2 and TLA 7M2 64 data and 4 clock TLA 7L3 and TLA 7M3 96 data, 4 clock, and 2 qualifier TLA 7L4 and TLA 7M4 128 data, 4 clock, and 4 qualifier
Acquisition memory depth Product Memory depth
1
1
PowerFlex configurable to 128 K
TLA 7L1, TLA 7L2, TLA 7L3, TLA 7L4 32 K TLA 7M1, TLA 7M2 ,TLA 7M3, TLA 7M4 512 K
1–2
TLA 700 Series Logic Analyzer Modules Service Manual
T able 1–3: Clocking
Characteristic Description Asynchronous clocking
n Internal sampling period n Minimum recognizable word
(across all channels)
Synchronous clocking
Number of clock channels
Number of qualifier channels Product Qualifier channels
n Setup and hold window size
(data and qualifiers)
1
2
4 ns to 50 ms in a 1–2–5 sequence Channel-to-channel skew + sample uncertainty
Example: for a P6417 Probe and a 4 ns sample period = 1.6 ns + 4 ns = 5.6 ns
3
Product Clock channels TLA 7L1 and TLA 7M1 2 TLA 7L2 and TLA 7M2 4 TLA 7L3 and TLA 7M3 4 TLA 7L4 and TLA 7M4 4
TLA 7L1 and TLA 7M1 0 TLA 7L2 and TLA 7M2 0 TLA 7L3 and TLA 7M3 2 TLA 7L4 and TLA 7M4 4 Maximum window size = Maximum channel-to-channel skew + (2 x sample
uncertainty) + 0.4 ns Maximum setup time = User interface setup time + 0.6 ns Maximum hold time = User interface hold time + 0.4 ns
Specifications
Maximum setup time for slave module of merged pair =
User Interface setup time + 0.8 ns Maximum hold time for slave module of merged pair =
User Interface hold time + 0.7 ns Example: for P6417 Probe and user interface setup & hold of 2.0/0.0 typical
Maximum setup time = 2.0 ns + 0.6 ns = 2.6 ns Maximum hold time = 0.0 ns + 0.4 ns = 0.4 ns
Setup and hold window size (data and qualifiers) (Typical )
Channel-to-channel skew (typical) + (2 x sample uncertainty) Example: for P6417 Probe = 1 ns + (2 x 500 ps) = 2 ns
Setup and hold window range The setup and hold window can be moved for each channel group from +8.5 ns (Ts) to
–7.0 ns (T s) in 0.5 ns steps (setup time). Hold time follows the setup time by the setup and hold window size.
n Maximum synchronous clock rate
4
200 MHz in full speed mode (5 ns minimum between active clock edges) 100 MHz in half speed mode (10 ns minimum between active clock edges)
TLA 700 Series Logic Analyzer Modules Service Manual
1–3
Specifications
T able 1–3: Clocking (Cont.)
Characteristic Description Demux clocking
Demux Channels (TLA 7L3 ,TLA 7L4, TLA 7M3, TLA 7M4)
(TLA 7L1, TLA 7L2, TLA 7M1, TLA 7M2) Channels multiplex as follows:
Time between DeMux clock edges4 (Typical)
Time between DeMux store clock edges
4
(Typical)
Clocking state machine
Pipeline delays Each channel can be programmed with a pipeline delay of 0 through 3 active clock
1
It is possible to use storage control and only store data when it has changed (transitional storage).
2
Applies to asynchronous clocking only. Setup and hold window specification applies to synchronous clocking only.
3
Any or all of the clock channels may be enabled. For an enabled clock channel, either the rising, falling, or both edges can be selected as the active clock edges. The clock channels are stored.
4
Full and half speed modes are controlled by PowerFlex options and upgrade kits.
Channels multiplex as follows: A3(7:0) to D3(7:0) A2(7:0) to D2(7:0) A1(7:0) to D1(7:0) A0(7:0) to D0(7:0)
A3(7:0) to C3(7:0) A2(7:0) to C2(7:0) A1(7:0) to D1(7:0) TLA 7L2 and TLA 7M2 only A0(7:0) to D0(7:0) TLA 7L2 and TLA 7M2 only
5 ns minimum between DeMux clock edges in full-speed mode 10 ns minimum between DeMux clock edges in half-speed mode
10 ns minimum between DeMux master clock edges in full-speed mode 20 ns minimum between DeMux master clock edges in half-speed mode
edges.
1–4
TLA 700 Series Logic Analyzer Modules Service Manual
Specifications
T able 1–4: Trigger system
Characteristic Description Triggering Resources
Word/Range recognizers 16 word recognizers. The word recognizers can be combined to form full width, double
bounded, range recognizers. The following selections are available: 16 word recognizers 0 range recognizers
13 word recognizers 1 range recognizer 10 word recognizers 2 range recognizers 7 word recognizers 3 range recognizers 4 word recognizers 4 range recognizers
Range recognizer channel order From most-significant probe group to least-significant probe group: C3 C2 C1 C0 E3
E2 E1 E0 A3 A2 D3 D2 A1 A0 D1 D0 Q3 Q2 Q1 Q0 CK3 CK2 CK1 CK0 Missing channels for modules with fewer than 136 channels are omitted. When
merged, the range recognition extends across the two modules; the master module contains the most-significant groups.
Glitch detector Minimum detectable glitch pulse width
(Typical) Setup and hold violation detector
Transition detector
Counter/Timers
Signal In 1 A backplane input signal Signal In 2 A backplane input signal Trigger In A backplane input signal that causes the main acquisition and the MagniVu acquisition
Active trigger resources Trigger States 16
n Trigger State sequence rate Same rate as valid data samples received, 250 MHz maximum
Trigger Machine Actions
Main acquisition trigger Triggers the main acquisition memory Main trigger position T rigger position is programmable to any data sample (4 ns boundaries) Increment counter Either of the two counter/timers used as counters can be incremented. Start/Stop timer Either of the two counter/timers used as timers can be started or stopped.
1,2
5,6
1, 4
Each channel group can be enabled to detect a glitch
2.0 ns (single channel with P6417 probe)
1,3
Each channel group can be enabled to detect a setup and hold violation. The range is from 8 ns before the clock edge to 8 ns after the clock edge. The range can be selected in 0.5 ns increments. The setup and hold violation of each window can be individually programmed.
Each channel group can be enabled or disabled to detect a transition between the current valid data sample and the previous valid data sample.
2 counter/timers, 51 bits wide, can be clocked up to 250 MHz. Maximum count is 2
51
Maximum time is 9.0076 seconds or 104 days
to trigger if they are not already triggered.
7
16 maximum (excluding counter/timers)
TLA 700 Series Logic Analyzer Modules Service Manual
1–5
Specifications
T able 1–4: Trigger system (Cont.)
Characteristic Description
Reset counter/timer Either of the two counter/timers can be reset. When a counter/timer used as a timer
and is reset, the timer continues in the started or stopped state that it was in prior to
the reset. Signal out A signal sent to the backplane to be used by other modules Trigger out A trigger out signal sent to the backplane to trigger other modules
Storage Control
Global storage Storage is allowed only when a specific condition is met. This condition can use any of
the trigger machine resources except for the counter/timers. Storage commands
defined in the current trigger state will override the global storage control.
Global storage can be used to start the acquisition with storage initially turned on
(default) or turned off. By event Storage can be turned on or off; only the current sample can be stored. The event
storage control overrides any global storage commands. Block storage Glitch violation storage The acquisition memory can be enabled to store glitch violation information with each
1
Each use of a glitch detector, setup and hold violation detector, or transition detector requires a trade-off of one word recognizer resource.
2
Any glitch is subject to pulse width variation of up to the channel-to-channel skew specification + 0.5 ns.
3
Any setup value is subject to variation of up to 1.6 ns; any hold value is subject to variation of up to 1.4 ns.
4
This mode can be used to create transitional storage selections where all channels are enabled.
5
Counters can be used as setable, resetable, or testable flags and have zero reset latency.
6
Timers can be used as testable flags with TLA 7Lx and TLA 7Mx Modules with serial numbers B020000 and higher and TLA 700 Series Software Version 1.10 or higher.
7
Word recognizers are traded off one-by-one as Signal In 1, Signal In 2, glitch detection, setup and hold detection, or transition detection resources are added.
8
Block storage is disallowed when glitch storage or setup and hold violation is enabled.
8
When enabled, 31 samples are stored before and after the valid sample.
data sample when asynchronous clocking is used. The probe data storage size is
reduced by one half (the other half holds the violation information). The fastest
asynchronous clocking rate is reduced to 10 ns.
1–6
TLA 700 Series Logic Analyzer Modules Service Manual
Specifications
T able 1–5: Input parameters (with P6417 Probe)
Characteristic Description
n Threshold Accuracy ±100 mV
Threshold range and step size Setable from +5 V to –2 V in 50 mV steps Threshold channel selection 16 threshold groups assigned to channels. Each probe has two threshold settings, one
for the clock/qualifier channel and one for the data channels.
n Channel-to-channel skew 1.6 ns maximum (When merged, add 0.5 ns for the slave module.)
Channel-to-channel skew (Typical) 1.0 ns typical (When merged, add 0.3 ns for the slave module.) Sample uncertainty
Asynchronous: Sample period
Synchronous: 500 ps Probe input resistance (Typical ) 20 k Probe input capacitance (Typical ) 2 pF maximum Minimum slew rate (Typical ) 0.2 V/ns Maximum operating signal 6.5 V
Probe overdrive ±250 mV or ±25% of signal swing minimum required beyond threshold, whichever is
Maximum nondestructive input signal to probe ±15 V Minimum input pulse width signal
(single channel) (Typical ) Delay time from probe tip to input probe
connector (Typical )
p-p
–3.5 V absolute input voltage minimum
6.5 V absolute input voltage maximum
greater ±4 V maximum beyond threshold
2 ns
7.33 ns
T able 1–6: MagniVu feature
Characteristic Description
MagniVu memory depth 2016 samples per channel MagniVu sampling period Data is asynchronously sampled and stored every 500 ps in a separate high resolution
memory; there are no clocking options.
TLA 700 Series Logic Analyzer Modules Service Manual
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