Tektronix TLA7AA Series Service Manual
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Tektronix TLA7AA Series Service Manual

Tektronix TLA7AA Series Service Manual

Logic analyzer module
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Summary of Contents for Tektronix TLA7AA Series

  • Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Visit our website - Click HERE...
  • Page 2 Service Manual Tektronix Logic Analyzer Module (TLA7AAx, TLA7ABx & TLA7NAx) 071-1511- -00 This document applies to TLA application soft- ware version 4.2 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.
  • Page 3 Copyright © Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077...
  • Page 4 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.

  • Page 6: Table Of Contents

    ..........Contacting Tektronix .
  • Page 7 Table of Contents Acquisition Board ..........3- - 2 Clock Circuitry .
  • Page 8 Table of Contents Local Processor Unit Board ........6- - 18 Removal .
  • Page 9 Table of Contents List of Figures Figure 2- -1: Logical address switches ......2- -2 Figure 2- -2: Installing modules in the mainframe .
  • Page 10 Table of Contents List of Tables Table 6- -1: External inspection check list ..... . 6- -3 Table 6- -2: Internal inspection checklist .
  • Page 11 Table of Contents TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 12: General Safety Summary

    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.
  • Page 13 General Safety Summary 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. Symbols and Terms Terms in this Manual.

  • Page 14: 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.
  • Page 15 Service Safety Summary TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 16: Manual Structure

    H Operating Information includes basic installation and operating instructions at the level needed to safely operate and service the logic analyzer module. For complete installation and configuration procedures, refer to the Tektronix Logic Analyzer Family User Manual. H Theory of Operation contains circuit descriptions that support general service to the circuit board level.

  • Page 17: Manual Conventions

    Preface Manual Conventions This manual uses certain conventions that you should be familiar with before attempting service. Acquisition Board The acquisition board is one of the circuit boards inside the logic analyzer module. The circuit board receives and stores acquisition data from the probes and works with the local processor unit (LPU) board to provide logic analysis information to the operator of the logic analyzer.
  • Page 18 Preface P6960 Logic Analyzer The P6960 is a 34 channel single-ended high-density logic analyzer probe with Probe D-Maxt probing technology. The P6960 is optimized for applications that require the highest-density footprint for single-ended signals. The probe has<0.5 pF typical capacitance and can connect to circuit boards with thicknesses from 0.050 to 0.250 inches and supports HASL (hot air solder level), immersion gold, and immersion silver board surface finishes.

  • Page 19: Related Manuals

    The following manuals are available as part of the TLA700 Series Logic Analyzer documentation set. Manual name Description Service use Tektronix Logic Analyzer Family User Provides operating information on the TLA Augments operating information found in Manual Series Logic Analyzer...

  • Page 20: Contacting Tektronix

    This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices. TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 21 Preface TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 22: Introduction

    When using this manual for servicing follow all warnings and cautions. Adjustment and Certification Interval It is recommended that you have a qualified Tektronix Service Center technician perform adjustment and certification (calibration) procedures annually or following repairs that affect adjustment or calibration.

  • Page 23: Service Offerings

    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 web site at http://www.tektronix.com/Measurement/Service. See our latest service offerings and contact us by email.

  • Page 24: Self Service

    H PowerFlex option upgrade number H Firmware level For More Information Contact your local Tektronix service center or sales engineer for more informa- tion on any of the Calibration and Repair Services just described. TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 25 Introduction TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 26: Specifications

    TLA700 series logic analyzer products. This document is available on the Tektronix Logic Analyzer Family Product Documentation CD or can be downloaded from the Tektronix Web site. 1- 1 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 27 Specifications 1- 2 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 28: Operating Information

    The operating information is limited to the functions you need to perform the procedures found in this document. You can find detailed operating instructions in the Tektronix Logic Analyzer Family User Manual and in the online help.

  • Page 29: Merged Modules

    Operating Information Least-significant digit Most-significant digit Figure 2- 1: Logical address switches Merged Modules You can combine up to five logic analyzer modules to create a single module that operates off a single time base. This process is called merging modules. The procedures for merging modules is described under Merged Modules beginning on page 2- -10.

  • Page 30: Figure 2- 2: Installing Modules In The Mainframe

    Operating Information Portable mainframe Benchtop mainframe Retaining screws Injector/ejector handles Figure 2- 2: Installing modules in the mainframe 2- 3 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 31: Software Installation

    Operating Information Software Installation The logic analyzer module operation is controlled by the Tektronix logic analyzer application software located on the hard disk of the mainframe. This software is installed when you purchased your logic analyzer or when you upgrade the software through one of the TLA7UP Field Upgrade Kit options.

  • Page 32: Figure 2- 3: Front Panel Of The Tla7Axx And Tla7Nax Logic Analyzer Module

    Operating Information Injector/ejector Injector/ejector handle handle READY Indicator READY Indicator ACCESSED Indicator ACCESSED Indicator ARM’D Indicator ARM’D Indicator TRIG’D Indicator TRIG’D Indicator Probe retainer Probe retainer Probe connectors mounting holes mounting holes Analog signal outputs Configuration label TLA7AXX TLA7NAX Figure 2- 3: Front panel of the TLA7Axx and TLA7NAx logic analyzer module Probe Connectors.

  • Page 33: Merge Cable Connectors

    Operating Information Configuration Label. Each TLA7Axx module has a configuration label that indicates the speed and memory depth of the logic analyzer module. Merge Cable Connectors Merge connectors on both sides of the module allow you to merge up to five individual modules to create a single module with up to 680 channels with full clock and trigger functionality.

  • Page 34: Rear Panel

    Operating Information Rear Panel Figure 2- -5 shows the connectors and controls on the rear panel of the logic analyzer module. Logical address P1 Connector P2 Connector switches Figure 2- 5: Rear panel controls and connectors P1 and P2 Connectors. The acquisition board and the local processor unit (LPU) provide the electrical connections from the module to the mainframe.

  • Page 35: Self Calibration

    Operation within limits is achieved by performing the Adjustment Procedures. Proper operation may be confirmed by having a qualified Tektronix Service Center technician perform the performance verification procedures. See Service Options on page 7- -3 for more information.
  • Page 36 Click the appropriate button to enable or disable the modules. Refer to the online help for more information on the individual menus, icons, and fields within each window. You may also want to refer to the Tektronix Logic Analyzer Family User Manual for additional information.

  • Page 37: Merged Modules

    Operating Information Merged Modules The logic analyzer allows you to merge individual 102-channel or 136-channel module modules to provide a logic analyzer module with up to 680 channels. The following procedures provide information for merging and unmerging logic analyzer modules. Merging Rules The following logic analyzer module merging rules must be followed: H Only modules with 102 or 136 channels can be merged.

  • Page 38: Merge Procedure

    Operating Information Merge Procedure Complete the following steps to create a merged module from two or more individual modules. You must complete these steps prior to installing the modules in a mainframe. CAUTION. To avoid damaging the mainframe or any modules, always power down the mainframe before removing or installing modules.

  • Page 39: Figure 2- 7: Removing The Merge Connector Assembly From The Module

    Operating Information 7. Repeat steps 3 through 6 for the remaining modules. Remove two screws Standoff posts Figure 2- 7: Removing the merge connector assembly from the module NOTE. When installing the merged modules into a mainframe, you may need the help of another individual.

  • Page 40: Figure 2- 8: Connecting The Logic Analyzer Modules Together

    Operating Information Figure 2- 8: Connecting the logic analyzer modules together CAUTION. Ensure that the mainframe is powered down before installing or removing the modules. 11. Place the merged module set into the mainframe. 12. Align the tops and bottoms of the modules with the slots in the mainframe (see Figure 2- -9 on page 2- -14).

  • Page 41: Figure 2- 9: Installing The Merged Module Set In The Mainframe

    Operating Information Align Align Slide module set all the way in Latch in place Figure 2- 9: Installing the merged module set in the mainframe 13. Slide the modules all the way into the mainframe until they rest against the rear panel connectors.

  • Page 42: Unmerge Procedure

    Operating Information 14. Use the injector handles to firmly seat the modules in place one at a time and then tighten the hold-down screws on each module. The merge cable assembly should allow enough play between two side-by-side modules. 15. After installing all of the modules, power on the mainframe and complete the merge process listed under the Merged Modules tab in the System Configu- ration dialog box.
  • Page 43 Operating Information 2- 16 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 44: Theory Of Operation

    Theory of Operation This chapter describes the general operation of the logic analyzer module. This information is intended to help you isolate faults to the circuit board or probe level. It supplements diagnostic and troubleshooting information presented in the Troubleshooting section beginning on page 6- -27. The following Block Level Description describes circuit operation to the functional block level.

  • Page 45: Communications Interface

    Theory of Operation The processor system includes the instrument firmware. To facilitate upgrades, the firmware resides in Flash ROM. The processor system also includes the nonvolatile RAM (NVRAM) used for the calibration constants, module serial numbers, and PowerFlex configuration information. Communications Interface The Communications Interface transfers commands and data between the mainframe and the mainframe controller.

  • Page 46: Trigger And Storage Control Circuitry

    Theory of Operation Trigger and Storage Clocking and triggering is controlled by a single ASIC. This ASIC determines Control Circuitry when acquisition data should be sampled based on the clock information and qualifier information. The ASIC also contains 16 Event resources for the purposes of word recognition, range recognition, and other trigger functions.

  • Page 47: Probes

    Theory of Operation Probes The logic analyzer module connects to the target system through 34-channel probes (32 data channels and two clock/qualifier channels). Depending on the number of channels in the logic analyzer module, you can connect up to four logic analyzer probes to the module.

  • Page 48: Merged Modules

    Theory of Operation Merged Modules A merged module consists of a Master module and one or more Slave modules connected together by a merge cable connector. Each module has its own merge cable connectors. The local bus sends the system clock of the Master module to the Slave modules.
  • Page 49 Theory of Operation 3- 6 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 50: Performance Verification

    H Probe functional verification This procedure provides a functional check only. If more detailed testing is required, refer to Service Options on page 7- -3 to have Tektronix Service perform the Performance Verification Procedures. Perform these tests whenever you need to gain confidence that the instrument is operating properly.

  • Page 51: Test Equipment

    Performance Verification Test Equipment You will need the following equipment to complete the functional verification procedure: H TLA700 Series logic analyzer mainframe with one logic analyzer module installed (more modules are required to check the merged functionality) H At least one logic analyzer probe Setup It is assumed that the logic analyzer module is properly installed in the main- frame.

  • Page 52: Logic Analyzer Module Functional Verification Procedure

    NEX- -PROBETESTER2 manual. For more informa- tion, see the Nexus Technology Web site at www.busboards.com. To have Tektronix service perform the performance verification procedures, which will verify that the logic analyzer and the attached probes meet or exceed the advertised specifications, refer to Service Options on page 7- -3.
  • Page 53 Performance Verification 4- 4 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 54: Adjustment Procedures

    For TLA7Axx/TLA7NAx modules, adjustments must be performed by a qualified Tektronix Service Center technician. See Service Options on page 7- -3 for more information. Self Calibration Self calibration is an internal routine that optimizes performance at the current ambient temperature to maximize measurement accuracy.
  • Page 55 Adjustment Procedures To perform the self calibration procedure, do the following: 1. Ensure that the instrument has had a 30-minute warm up before attempting the self calibration, and that the logic analyzer application is running. 2. Disconnect any probes connected to the logic analyzer module. 3.

  • Page 56: Maintenance

    Maintenance This chapter contains the information needed for periodic and corrective maintenance of the Logic Analyzer Modules. The following sections are included. H This Maintenance section provides general information on preventing damage to internal circuit boards when doing maintenance, procedures for inspecting the logic analyzer module, and cleaning external and internal circuit boards.

  • Page 57: Inspection And Cleaning

    Use a 75% isopropyl alcohol solution to clean internal surfaces and rinse with deionized water. Before using any other type of cleaner, consult your Tektronix Service Center or representative. 6- 2...

  • Page 58: Exterior Inspection

    Maintenance Exterior Inspection Inspect the outside of the instrument for damage, wear, and missing parts. Use Table 6- -1 as a guide. Instruments that appear to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and perform- ance.

  • Page 59: Interior Inspection

    Maintenance Interior Inspection Inspect the internal portions of the logic analyzer module for damage and wear using Table 6- -2 as a guide. When found, defects should be repaired immediately. If you must replace an internal component, refer to the Removal and Installation Procedures, later in this chapter, for detailed removal and replacement instruc- tions.

  • Page 60: Cleaning The Probes

    Maintenance NOTE. If, after performing steps 1 and 2, a module is clean upon inspection, skip the remaining steps. If steps 1 and 2 do not remove all the dust or dirt, the module may be spray washed using a solution of 75% isopropyl alcohol (see steps 3 through 7).

  • Page 61: Cleaning The P6864, P6880, P6960, And P6980 Compression Footprints

    Maintenance Cleaning the P6864, P6880, P6960, and P6980 Compression Footprints CAUTION. To avoid electrical damage, always turn off the power of your target system before cleaning the compression footprint. Prior to connecting the probe to the target system, the compression footprints on the target system must be properly cleaned.

  • Page 62: Figure 6- 1: Cleaning The Probe Heads

    Maintenance 1. Remove elastomer holder (see Figure 6- -1). 2. Moisten a cotton swab with isopropyl alcohol. Elastomer holder Print pads Figure 6- 1: Cleaning the probe heads 3. Gently wipe the edge print pads of the hybrid. 4. Remove any remaining lint using a nitrogen air gun. 5.

  • Page 63: Cleaning The P69Xx Probe Heads

    Maintenance Cleaning the P69xx Probe Heads To maintain a reliable electrical contact, keep the probes free from dirt, dust, and contaminants. Remove dirt and dust with a soft brush. Avoid brushing or rubbing the c-spring contacts. For more extensive cleaning, use only a damp cloth. Never use abrasive cleaners or organic solvents.

  • Page 64: Storing The P68Xx Probe Heads

    Maintenance Storing the P68xx Probe Heads To protect the elastomer, it is important to properly store the probe heads when the probes are not in use. See Figure 6- -3. 1. Locate the keying pin on the probe end and align it to the keying pin hole on the nutbar.

  • Page 65: Storing The P69Xx Probe Heads

    Maintenance Storing the P69xx Probe Heads To protect the probe head, when the probes are not in use place the probe head cover on the probe. See Figure 6- -4. 1. Gently slide the probe cover over the probe end. Protective cover Figure 6- 4: Storing the P69xx probe heads...

  • Page 66: Removal And Installation Procedures

    Removal and Installation Procedures This section describes how to remove and install the major mechanical and electrical modules. The procedures in this section assume that you already have removed the module from the mainframe. WARNING. Before doing any procedures in this manual, read the General Safety Summary and Service Safety Summary found at the beginning of this manual.

  • Page 67: Injector/Ejector Handles

    Removal and Installation Procedures Injector/Ejector Handles You will need a screwdriver with a T-10 tip to complete the following proce- dures. Removal Use the following procedure to remove the injector/ejector handles: 1. Place the module on the right side (see Figure 6- -5). 2.
  • Page 68 Removal and Installation Procedures Installation Use the following procedure and Figure 6- -5 to install the injector/ejector handles: NOTE. The top and bottom injector/ejector handles are not interchangeable. The top injector/ejector handle assembly has a notch on right side and a tab on the left side;...

  • Page 69: Figure 6- 6: Removing The Merge Cable Bracket From The Cover

    Removal and Installation Procedures Screws (8) Cable bracket Disconnect merge cable from the board Figure 6- 6: Removing the merge cable bracket from the cover 6- 14 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 70: Installation

    Removal and Installation Procedures Cover Screws (3) Chassis Screws (3) Screws (2) Rear panel Figure 6- 7: Cover removal Installation Use the following procedure and Figure 6- -6 through Figure 6- -9 to install the covers: NOTE. Install the cover tightly against the chassis. This will ensure that the module fits into adjacent slots in the mainframe.

  • Page 71: Figure 6- 8: Installing The Cover Onto The Chassis

    Removal and Installation Procedures Figure 6- 8: Installing the cover onto the chassis 3. Make sure that the cover is fully seated (no gaps) against the front and rear chassis flanges (see Figure 6- -9). 4. While holding the cover in place, install the four T-10 Torx-drive screws nearest the front of the module (two on each side of the cover), to secure the cover to the chassis.

  • Page 72: Figure 6- 9: Seating The Cover On The Chassis

    Removal and Installation Procedures 10. Check and tighten all screws to 4 in lbs. Make sure tab inserts into slot on rear of front panel Leave no vertical gap Figure 6- 9: Seating the cover on the chassis 6- 17 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 73: Local Processor Unit Board

    You will need a screwdriver with a T-10 tip to complete the following proce- dures. NOTE. When placing an order for a replacement LPU board or an LPU exchange board from the Tektronix Exchange Center, you must supply the model number, serial number, PowerFlex Option upgrade number and firmware level. Removal Use the following procedure and Figure 6- -10 to remove the LPU board: 1.

  • Page 74: Installation

    Removal and Installation Procedures LPU Board Screws (5) Tabs 160- - pin connecter Figure 6- 10: LPU board removal Installation Use the following procedure and Figure 6- -10 and Figure 6- -11 to install the LPU board: 1. Place the LPU board (component side down) over the chassis and insert the tabs on the LPU board into the front subpanel as shown in Figure 6- -11.

  • Page 75: Figure 6- 11: Inserting Lpu Board Tabs Into Front Subpanel

    System Properties tab in the TLA application. If the PowerFlex level does not match the information on the side panel label, you must return the entire logic analyzer module to your local Tektronix service center. Tabs on...

  • Page 76: Acquisition Board

    Removal and Installation Procedures Acquisition Board You will need a inch nut driver in addition to the T-10 Torx tip screwdriver to complete the following procedures. Removal Use the following procedure and Figure 6- -14 to remove the acquisition board: 1.

  • Page 77: Figure 6- 13: Removing The Merge Cable Assembly

    Removal and Installation Procedures slide merge cable bracket back Lift merge cable bracket up and slide out Disconnect cable from acquisition board Figure 6- 13: Removing the merge cable assembly 6- 22 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 78: Figure 6- 14: Removing The Acquisition Board From The Chassis

    Removal and Installation Procedures 4. Turn the chassis over and then remove the five spacer posts with the driver from the acquisition board. 5. For TLA7Axx modules, disconnect the four analog output cables on the acquisition board. For TLA7NAx modules skip this step. 6.

  • Page 79: Installation

    Removal and Installation Procedures 7. Carefully slide the acquisition board away from the front panel until the probe connectors clear the front panel. Then lift the circuit board out of the chassis. Installation Use the following procedure to install the acquisition board: 1.

  • Page 80: Fuses

    Most of the fuses are surface mounted and attempting to change the fuses with improper tools will result in damaging the circuit boards beyond repair. You should return the circuit board to you local Tektronix service center for corrective action.

  • Page 81: Installation

    Removal and Installation Procedures Installation Use the following procedure and Figure 6- -16 to install the EMI gaskets: 1. Position each gasket so the gasket fingers face the outside of the module. CAUTION. To avoid breaking the gasket fingers, do not lift the fingers too high. 2.

  • Page 82: Troubleshooting

    Troubleshooting WARNING. Before performing this or any other procedure in this manual, read the General Safety Summary and Service Safety Summary found at the beginning of this manual. Also, to prevent possible injury or damage to electrical components, read Preventing Electrostatic Discharge on page 6- -1. This section contains information and procedures designed to help isolate faults to within the logic analyzer module.

  • Page 83: Required Documentation

    Troubleshooting Required Documentation You may need to refer to additional service manuals to isolate faults. In addition, other manuals and other sections in this manual contain instructions you will need to complete repairs after locating a faulty part. For a list of supplemental documentation, refer to the following table.

  • Page 84: Table 6- 4: Failure Symptoms And Possible Causes

    Mainframe does not power on H Fuse blown; check line fuse H Mainframe power supply failure; contact local Tektronix service center H Mainframe controller is not installed properly (or not at all) H Non-system disk or floppy in external drive; make sure logic...

  • Page 85: Eliminate Other Problem Sources

    Troubleshooting Eliminate Other Problem Sources The logic analyzer module is part of the Tektronix Logic Analyzer Family, which consists of modules installed in either a benchtop or portable mainframe. The following procedures will help you eliminate the mainframe and other modules as possible sources of failures.

  • Page 86: Troubleshoot The Logic Analyzer Module

    Troubleshooting 2. Move the suspected probe to another probe connector and observe if the problem follows the probe. If the problem does not follow the probe, the module may be faulty. 3. Substitute the suspected probe with a known good probe and observe if the problem is still present.
  • Page 87 Troubleshooting Power-On Diagnostics. Power-on diagnostics check basic functionality of the logic analyzer at every power on. If any failures occur at power on, the screen displays the calibration and diagnostics property sheet. If there are no diagnostic failures when you power on the logic analyzer, you can display and run the calibration and diagnostics property sheet by selecting Calibration and Diagnostics from the System menu.

  • Page 88: Fault Isolation Procedure

    Troubleshooting Fault Isolation Procedure The Primary Troubleshooting Tree (Figure 6- -17 on page 6- -34) provides troubleshooting steps that test the logic analyzer module. Use the following procedure with that tree: To determine if module is recognized, perform the following steps: 1.

  • Page 89: Primary Troubleshooting Chart

    Troubleshooting 6. Use the Removal and Installation Procedures that begin on page 6- -11 to replace the faulty circuit board. 7. Refer to Table 6- -6 on page 6- -37 after module replacement and perform all verification and adjustment procedures identified for the replaced module. Primary Troubleshooting Start TLA application Chart...

  • Page 90: Diagnostics Table

    Troubleshooting Diagnostics Table Table 6- -5 can help you isolate problems to one of the circuit boards in the module (use the Removal and Installation Procedures beginning on page 6- -11 to replace the faulty circuit board): Table 6- 5: Diagnostic tests Circuit board Group &...
  • Page 91 Troubleshooting Table 6- 5: Diagnostic tests (Cont.) Circuit board Group & test Power on Extended Acquisition board Miscellaneous Tests Acquisition Address Decode Threshold At-speed Async Acquire Pseudo Random SFDL-1 SFDL-2 Demux Edge Detector Setup and Hold Glitch Memory Interface Controller AD Bus MAR Rollover Waveform 0...

  • Page 92: Adjustment After Repair

    Self Calibration, Power-on and Deskew, Threshold tests Extended Diagnostics, perfor- mance verification procedures The PowerFlex restoration or changes can only be made by Tektronix service personnel. Refer to the TLA7UP Mainframe Field Upgrade Instruction Manual for instructions for updating module firmware.
  • Page 93 Troubleshooting 4. Click Start → Programs → Tektronix Logic Analyzer → TLA Firmware Loader. 5. When you see the pop-up prompting you to cycle the power on the main- frame after completing the upgrade operation, click Yes. The logic analyzer will scan the mainframe to determine which modules are installed and which modules can have their firmware upgraded.

  • Page 94: Overview Of Procedures

    NOTE. Calibration constants are stored in the LPU NVRAM. You must always perform a new self calibration and have a Tektronix Service technician complete the adjustment procedures, the performance verification procedures, and the certification procedures after you replace the LPU board.
  • Page 95 Troubleshooting 6- 40 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 96: Repackaging Instructions

    NOTE. When ordering the LPU board for exchange or repair, you will need to supply the above information, including the firmware level and PowerFlex configuration information. Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations. 6- 41...

  • Page 97: Storage

    H Temperature range: - -40 °F to +160 °F (- -40 °C to +71 °C). H Altitude: To 40,000 feet (12,190 meters). See the Tektronix Logic Analyzer Family Product Specifications document for a complete listing of the module environmental characteristics.

  • Page 98: Options

    Options This chapter lists the advertised options for each logic analyzer module. Refer to the Mechanical Parts List chapter for a list of standard and optional accessories for each module. TLA7AA1, TLA7AA2, TLA7AA3 and TLA7AA4 Options Table 7- -1 lists the options for the TLA7AA1, TLA7AA2, TLA7AA3 and TLA7AA4 modules.

  • Page 99: Tla7Ab2 And Tla7Ab4 Options

    Options TLA7AB2 and TLA7AB4 Options Table 7- -2 lists the options for the TLA7AB2 and TLA7AB4 modules. Table 7- 2: TLA7AB2 and TLA7AB4 options Option Description Increase to 64 Mb memory depth @ 235 MHz state speed Increase to 64 Mb memory depth @ 450 MHz state speed TLA7NAX Options Table 7- -3 lists the options for the TLA7NAx modules.

  • Page 100: Service Options

    Options Service Options Tektronix Service Options are available at the time you order your instrument. Contact your local Tektronix Sales Office for more information. Product installation service Option IN Provides initial product installation/configura- tion and start-up training session including front panel and product familiarization.
  • Page 101 Options 7- 4 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 102: Electrical Parts List

    Electrical Parts List Refer to the Mechanical Parts List chapter for a complete list of replaceable parts. 8- 1 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 103 Electrical Parts List 8- 2 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 104 Diagrams This chapter contains the block diagrams of the logic analzyer module. Use these diagrams in conjunction with the Theory of Operation to help you troubleshoot the module. 9- 1 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 105: Figure 9- 1: Tla7Aax Logic Analyzer Block Diagram

    Diagrams Acquisition Board Probe Probe Board Acquisition Probe Interface Probe Interface Probe Interface Interface system Probe Probe Acquisition Memory Analog Analog Mux Outputs Interface Backplane Interface Trigger Clocks Merge Local Processor Unit Board Communications Interface Processor system Power supplies Acquisition Board Interface Figure 9- 1: TLA7AAx logic analyzer block diagram...

  • Page 106: Figure 9- 2: Tla7Nax Logic Analyzer Block Diagram

    Diagrams Acquisition Board Probe Probe Board Acquisition Probe Interface Probe Interface Probe Interface Interface system Probe Probe Acquisition Memory Backplane Interface Trigger Clocks Merge Local Processor Unit Board Communications Interface Processor system Power supplies Acquisition Board Interface Figure 9- 2: TLA7NAx logic analyzer block diagram 9- 3 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 107 Diagrams 9- 4 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...

  • Page 108: Mechanical Parts List

    For more information about the module exchange program, call 1-800-833-9200. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices: www.tektronix.com. Module Repair and Return. You may ship your module to us for repair, after which we will return it to you.

  • Page 109: Using The Replaceable Parts List

    Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. Tektronix part number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued.
  • Page 110 PO BOX 14460 7X318 KASO PLASTICS INC 5720- - C NE 121ST AVE, STE 110 VANCOUVER, WA 98682 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON, OR 97077- - 0001 PO BOX 500 81073 GRAYHILL INC 561 HILLGROVE AVE...

  • Page 111: Figure 10- 1: Tla7Aax, Tla7Abx, And Tla7Nax Logic Analyzer Module Exploded View

    Mechanical Parts List Figure 10- 1: TLA7AAX, TLA7ABX, and TLA7NAX Logic Analyzer Module exploded view 10- 4 TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual...
  • Page 112 Mechanical Parts List Replaceable parts list Fig. & Tektronix Serial no. Serial no. index number part number effective discont’d Name & description Mfr. code Mfr. part number 10- - 1- - 1 671- - 5339- - 00 CIRCUIT BD ASSY:MERGE CONNECTOR,LEFT...
  • Page 113 Mechanical Parts List Replaceable parts list (cont.) Fig. & Tektronix Serial no. Serial no. index part number effective discont’d Name & description Mfr. code Mfr. part number number 10- - 1-11 407- - 4861- - 00 BRACKET:MERGE,CHASSIS,RIGHT SIDE,0.062 AL, TK1943...
  • Page 114 Mechanical Parts List Replaceable parts list (cont.) Fig. & Tektronix Serial no. Serial no. index part number effective discont’d Name & description Mfr. code Mfr. part number number 367- - 0483- - 00 HANDLE:INJECTOR/EJECTOR ASSEMBLY,TWO 7X318 2TEK 1461 WIDE VXI,W/KEYING,SPRING...
  • Page 115 Mechanical Parts List Replaceable parts list (cont.) Fig. & Tektronix Serial no. Serial no. index part number effective discont’d Name & description Mfr. code Mfr. part number number Optional Accessories 071- - 1043- - 01 MANUAL,TECH:SERVICE, LOGIC ANALYZER TK2548 071- - 1043- - 01...

This manual is also suitable for:

Tla7ab seriesTla7na series

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