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Tektronix TLA 720 Service Manual

Tektronix TLA 720 Service Manual

Benchtop controller
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Service Manual
TLA 720
Benchtop Controller
071-0269-01
071026901

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Summary of Contents for Tektronix TLA 720

  • Page 1 Service Manual TLA 720 Benchtop Controller 071-0269-01 071026901...
  • Page 2 Service Manual TLA 720 Benchtop Controller 071-0269-01 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...
  • 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., 14200 SW Karl Braun Drive, Beaverton, OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
  • 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.
  • Page 5 SOFTWARE WARRANTY Tektronix warrants that the media on which this software product is furnished and the encoding of the programs on the media will be free from defects in materials and workmanship for a period of three (3) months from the date of shipment.

  • Page 6: Table Of Contents

    ......... 4–14 TLA 720 Benchtop Controller Service Manual...
  • Page 7 ........7–4 Index TLA 720 Benchtop Controller Service Manual...
  • Page 8 ....7–6 Figure 7–2: Benchtop controller exploded view (cont.) ... . 7–8 TLA 720 Benchtop Controller Service Manual...
  • Page 9 ......7–2 Table 7–3: Parts lists column descriptions ..... . 7–4 TLA 720 Benchtop Controller Service Manual...

  • Page 10: Controller

    A benchtop controller is a TLA 711 or TLA 720 Color Benchtop Controller. The benchtop controller is a module that is installed in the benchtop chassis. Benchtop Chassis A benchtop chassis is a TLA 711 or TLA 720 Color Benchtop Chassis that the benchtop controller module plugs into. Benchtop Mainframe A benchtop mainframe is a benchtop chassis with a benchtop controller installed.
  • Page 11 Symbols and terms related to safety appear in the General Safety Summary found at the beginning of this manual. Contacting Tektronix Product For questions about using Tektronix measurement products, call Support toll free in North America: 1-800-TEK-WIDE (1-800-835-9433 ext. 2400) 6:00 a.m.
  • Page 12 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 720 Benchtop Controller Service Manual...
  • Page 13 CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated viii TLA 720 Benchtop Controller Service Manual...
  • Page 14 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 720 Benchtop Controller Service Manual...
  • Page 15 Service Safety Summary TLA 720 Benchtop Controller Service Manual...
  • Page 16 Chapter 10. 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. TLA 720 Benchtop Controller Service Manual...
  • Page 17 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 equipped to service the benchtop controller.
  • Page 18 Specifications...

  • Page 20: Table 1-1: Benchtop Controller Characteristics

    Refer to Appendix A of the TLA 700 Series Logic Analyzer User Manual for a complete listing of all specifications. Table 1–1 lists the characteristics of the TLA 720 Color Benchtop Controller. Table 1–1: Benchtop controller characteristics Characteristic Description...
  • Page 21 (EPP), or Microsoft high-speed mode (ECP) and utilizes a 36-pin high-density connector. Serial Interface Port The serial port utilizing a 9-pin male sub-D connector to support an RS232 serial port. (COM) Compliant with EIA/TIA 574. 1–2 TLA 720 Benchtop Controller Service Manual...

  • Page 22: Table 1-2: Benchtop Controller Mechanical Characteristics

    Minimum Pulse Width 12 ns Active Period Accepts system triggers during valid acquisition periods via real-time gating, resets system trigger input latch between valid acquisition periods. Maximum Input Voltage 0 to +5 Volt peak 1–3 TLA 720 Benchtop Controller Service Manual...
  • Page 23 4 V into open circuit 2 V into 50 Ohm to ground 0.7 V sinking 10 ma Output Bandwidth Signal 1, 2 50 MHz square wave minimum Signal 3, 4 10 MHz square wave minimum 1–4 TLA 720 Benchtop Controller Service Manual...

  • Page 24: Table 1-4: Benchtop Mainframes Backplane Interface Characteristics

    Port Peak Voltage Tr/Th Rep Frequency Signal & Control 0.5 kV 5/50 ns 5 kHz AC Power 1.0 kV 5/50 ns 5 kHz 1–5 TLA 720 Benchtop Controller Service Manual...

  • Page 25: Table 1-6: Atmospheric Characteristics

    5 Hz to 500 Hz, 10 minutes each axis, 3-axes, 30 minutes total. Profile: 0.0175 g /Hz 5-100Hz, –3dB/octave slope 100-200 Hz, 0.00875g /Hz 200-350 Hz, –3dB/octave slope 350-500 Hz, 0.006132 g 1–6 TLA 720 Benchtop Controller Service Manual...

  • Page 26: Table 1-8: Certifications And Compliances

    EN 60555-2 AC Power Line Harmonic Emissions EN 50082-1 Immunity: IEC 801-2 Electrostatic Discharge Immunity IEC 801-3 RF Electromagnetic Field Immunity IEC 801-4 Electrical Fast Transient/Burst Immunity IEC 801-5 Power Line Surge Immunity 1–7 TLA 720 Benchtop Controller Service Manual...
  • Page 27 Specifications 1–8 TLA 720 Benchtop Controller Service Manual...
  • Page 28 Operating Information...

  • Page 30: Front Panel Components

    RUN Indicator. Indicates that the memory is accessing data. SYSTEM FAIL Indicator. Indicates a SYSFAIL condition exists on the communica- tions bus. TEST Indicator. Indicates that the benchtop controller is executing a power-on self test (POST) diagnostic test sequence. 2–1 TLA 720 Benchtop Controller Service Manual...

  • Page 31: Figure 2-1: Front View Of The Benchtop Controller

    Memory SO DIMMs The portable mainframe utilizes 144-pin SO DIMM memory devices. The memory devices must have gold pins. The maximum supported configuration is 128 MB. Refer to the specifications for memory parameters. 2–2 TLA 720 Benchtop Controller Service Manual...

  • Page 32: Table 2-1: Usb Pin Assignments

    Fixed Hard Disk Drive It is possible to add a fixed hard disk drive to the TLA 714 mainframe which is available through the TLA 7UP mainframe upgrade kit. Contact your Tektronix representative for more information on available upgrades to your mainframe.

  • Page 33: Table 2-2: Svga Out Pin Assignments

    Because of the speed at which the PC industry evolves, the CD ROM drive is subject to change. This service manual lists the speed of the CD ROM drive available at the time the product was introduced. Consult your Tektronix Sales Representative for the maximum CD ROM speed available. PC Card Bus There are two PC Card Bus slots.

  • Page 34: Table 2-3: Lpt (Parallel Interface) Pin Assignments

    Table 2–3: LPT (parallel interface) pin assignments Pin number Pin function Pin number Pin function BUSY SLCT ACK* ERR* INIT* STB* SLIN* AFD* See IEEE specification P1284-C for pin connection definitions for other modes 2–5 TLA 720 Benchtop Controller Service Manual...

  • Page 35: Input/Output Connectors

    Bar. Refer to the TLA 700 Series Installation Manual if you need to reinstall any software. The TLA 700 Series application interface is used to control data acquisition and processing by the logic analyzer. The TLA 700 Series application software is included with the product. 2–6 TLA 720 Benchtop Controller Service Manual...

  • Page 36: Diagnostics

    To access the diagnostics tests, use the System pull-down menu. There are two other utilities to aid in troubleshooting: QA+Win32 and the TLA 700 Mainframe Diagnostics. Refer to the Maintenance section for informa- tion on diagnostics. 2–7 TLA 720 Benchtop Controller Service Manual...
  • Page 37 Operating Information 2–8 TLA 720 Benchtop Controller Service Manual...
  • Page 38 Theory of Operation...

  • Page 40: Mass Storage

    Mass Storage The benchtop controller has a replaceable hard disk drive, an internal fixed hard disk drive (optionally field installed via TLA 7UP kit) floppy disk drive, and a CD ROM drive. 3–1 TLA 720 Benchtop Controller Service Manual...
  • Page 41 Theory of Operation 3–2 TLA 720 Benchtop Controller Service Manual...
  • Page 42 Maintenance...

  • Page 44: Preventing Esd

    5. Handle circuit boards by the edges when possible. 6. Do not slide the circuit boards over any surface. 7. Avoid handling circuit boards in areas that have a floor or work-surface covering capable of generating a static charge. 4–1 TLA 720 Benchtop Controller Service Manual...

  • Page 45: Table 4-1: External Inspection Check List

    To confirm this, inspect for physical damage incurred during transit. Retain the packaging in case shipment for repair is necessary. If there is damage or deficiency, contact your local Tektronix representative. Cleaning procedures consist of exterior and interior cleaning. Periodic cleaning reduces instrument breakdown and increases reliability.

  • Page 46: Table 4-2: Internal Inspection Check List

    Distorted pins. Remove devices that have dis- torted pins. Carefully straighten pins (as required to fit the socket), and reinsert firmly. Ensure that straightening action does not crack pins, causing them to break off. 4–3 TLA 720 Benchtop Controller Service Manual...
  • Page 47 To clean the floppy disk drive, use a commercially available floppy disk drive head cleaner kit, and follow the manufacturers instructions. 4–4 TLA 720 Benchtop Controller Service Manual...

  • Page 48: Removal And Installation Procedure

    Do not allow anything capable of holding or generating a static charge on the work surface. Do not slide a board over any surface. Avoid handling boards in areas that have a floor or work surface cover that is capable of generating a static charge. 4–5 TLA 720 Benchtop Controller Service Manual...

  • Page 49: Table 4-3: Tools Required

    Solder wick or solder removing tool Benchtop Controller Service Overview The internal boards are not individually replaceable. If faults are isolated to the board level, the entire benchtop controller must be returned to a Tektronix Service Center for repair. Replaceable Modules...

  • Page 50: Figure 4-1: Depress The Latch

    The replaceable hard disk drive cartridge is removed by depressing it to release the latch. Pull on the replaceable hard disk drive cartridge to remove it from the chassis. Refer to Figure 4–1, 4–2 and 4–3. Figure 4–1: Depress the latch 4–7 TLA 720 Benchtop Controller Service Manual...

  • Page 51: Figure 4-2: Unlatching The Hard Disk Drive Cartridge

    Removal and Installation Procedure Figure 4–2: Unlatching the hard disk drive cartridge Figure 4–3: Removing the hard disk drive cartridge 4–8 TLA 720 Benchtop Controller Service Manual...

  • Page 52: Figure 4-4: Removing The Hard Disk Drive From The Cartridge

    2. Carefully remove the hard disk drive from the cartridge, and remove the cable assembly from the connector on the hard disk drive. Remove 4 screws Figure 4–4: Removing the hard disk drive from the cartridge 4–9 TLA 720 Benchtop Controller Service Manual...

  • Page 53: Figure 4-5: Removal And Installation Of The Ejectors

    Install the injector/ejector handle through the front panel cutout onto the mounting post, and install the screws and flat washers to secure the handle to the chassis. NOTE. The top and bottom injector/ejector handles are not interchangeable. 4–10 TLA 720 Benchtop Controller Service Manual...

  • Page 54: Figure 4-6: Removal And Installation Of The Cover

    Remove the cover to gain access internal modules and memory. Removal Remove the screws shown in Figure 4–6 and lift the cover off. Module cover Remove screws (8) Chassis Figure 4–6: Removal and installation of the cover 4–11 TLA 720 Benchtop Controller Service Manual...

  • Page 55: Figure 4-7: Seating The Cover On The Chassis

    Figure 4–7: Seating the cover on the chassis Secure the left side cover with the screws removed from the top and bottom of the enclosure. Squeeze the sides together before tightening to ensure a good EMI seal and mechanical connection. 4–12 TLA 720 Benchtop Controller Service Manual...

  • Page 56: Figure 4-8: Removal And Installation Of The Memory

    Use of SO DIMM modules that do not have gold plated contacts will result in eventual failure of the SO DIMM module. Always use SO DIMM modules with gold plated contacts. 1. Populate SO DIMM 0 first. 4–13 TLA 720 Benchtop Controller Service Manual...

  • Page 57: Hard Drive Interface Board

    NOTE. The internal boards are not individually replaceable. If faults are isolated to the boards, the entire benchtop controller must be returned to a Tektronix Service Center for repair. Removal To remove the hard drive interface board, refer to Figure 4–9 and follow these instructions: 1.

  • Page 58: Cd Rom Drive

    4. Remove the two screws on the other side of the CD ROM bracket by reaching through one of the holes on the top side of the benchtop controller. 5. Remove the ribbon cable from the CD ROM drive. 4–15 TLA 720 Benchtop Controller Service Manual...

  • Page 59: Figure 4-10: Remove Screws From The Cd Rom Bracket

    7. Verify that the BIOS setup information is correct. Enter the BIOS setup and verify the CD ROM drive type and size. 8. Run the QAPlus/WIN diagnostic software to verify that all of the functions of the benchtop controller are functioning correctly. 4–16 TLA 720 Benchtop Controller Service Manual...

  • Page 60: Processor Board And Interface Board

    NOTE. The internal boards are not individually replaceable. If faults are isolated to the boards, the entire benchtop controller must be returned to a Tektronix Service Center for repair. The processor board and the interface board removal is a two part procedure.

  • Page 61: Figure 4-12: Removing The Processor And Interface Boards

    2. Install the standoffs and screws to the SVGA OUT, COM A, LPT, mouse and keyboard connectors. 3. Install the screws from the interface (bottom) board that secures the two boards to the chassis. 4–18 TLA 720 Benchtop Controller Service Manual...

  • Page 62: Figure 4-13: Separating The Processor And Interface Boards

    White / Brown stripe EXT SIG IN White / Red stripe SYSTEM TRIG OUT White / Orange stripe SYSTEM TRIG IN Processor board Remove screws (5) Interface board Figure 4–13: Separating the processor and interface boards 4–19 TLA 720 Benchtop Controller Service Manual...

  • Page 63: Floppy Disk Drive

    9. Verify that the BIOS setup information is correct. Enter the BIOS setup and verify the floppy disk drive type and size. 10. Run the QAPlus/WIN diagnostic software to verify that all of the functions of the benchtop controller are functioning correctly. 4–20 TLA 720 Benchtop Controller Service Manual...

  • Page 64: Soldered-On Connectors

    Self servicing may impact the warranty. Check with your Tektronix Service Center before servicing. Every reasonable precaution shall be made by the service person to eliminate damage to the circuit board.
  • Page 65 Removal and Installation Procedure 4–22 TLA 720 Benchtop Controller Service Manual...

  • Page 66: Fixed Hard Disk Drive Replacement

    Avoid handling boards in areas that have a floor or work surface cover that is capable of generating a static charge. WARNING. To avoid electric shock, always power off the chassis and disconnect the power cord before cleaning or servicing the chassis. 4–23 TLA 720 Benchtop Controller Service Manual...

  • Page 67: Tools Required

    The replaceable hard disk drive cartridge is removed by depressing it to release the latch. Pull on the replaceable hard disk drive cartridge to remove it from the chassis. Refer to Figure 4–14, 4–15 and 4–16. Figure 4–14: Unlatching the hard disk drive cartridge 4–24 TLA 720 Benchtop Controller Service Manual...

  • Page 68: Figure 4-15: Grasp The Hard Disk Drive Cartridge

    Fixed Hard Disk Drive Replacement Figure 4–15: Grasp the hard disk drive cartridge Figure 4–16: Removing the hard disk drive cartridge 4–25 TLA 720 Benchtop Controller Service Manual...

  • Page 69: Remove The Benchtop Controller Cover

    Remove the cover to gain access internal modules and memory. Removal Remove the screws shown in Figure 4–17 and lift the cover off. Module cover Remove screws (8) Chassis Figure 4–17: Removal and installation of the cover 4–26 TLA 720 Benchtop Controller Service Manual...

  • Page 70: Remove The Hard Drive Interface Board

    3. Remove the screws as shown in Figure 4–18. 4. Remove the hard drive interface board. Hard drive interface board Remove screws (4) Figure 4–18: Removing the hard drive interface board 4–27 TLA 720 Benchtop Controller Service Manual...

  • Page 71: Install The Fixed Hard Disk Drive

    Figure 4–20: Installing the fixed hard disk drive 3. Connect the controller board to the hard drive interface board by aligning the two connectors between the controller board and the adapter board. 4–28 TLA 720 Benchtop Controller Service Manual...

  • Page 72: Install The Hard Drive Interface Board

    3. Connect the two ribbon cables located on the rear of the hard disk interface board. 4. Replace the cover following the instructions on page 4–12. Hard drive interface board Install screws (4) Figure 4–21: Installing the hard drive interface board 4–29 TLA 720 Benchtop Controller Service Manual...

  • Page 73: Install The Benchtop Controller Cover

    Leave no vertical gap Figure 4–22: Seating the cover on the chassis 2. Secure the left side cover with the screws removed from the top and bottom of the enclosure. 4–30 TLA 720 Benchtop Controller Service Manual...

  • Page 74: Verify Operation

    Select Programs from the Start menu. d. Select the QA+Win32 application from the Programs menu. e. Run the memory tests from the QA+Win32 menu. If needed, refer to the QA+Win32 online help for more information on running QA+Win32. 4–31 TLA 720 Benchtop Controller Service Manual...
  • Page 75 Fixed Hard Disk Drive Replacement 4–32 TLA 720 Benchtop Controller Service Manual...

  • Page 76: Troubleshooting

    (See Strategy for Servicing on page xi.) NOTE. The circuit boards are not replaceable parts on their own. If there is a failure return the entire benchtop controller to a Tektronix Service Center for module exchange.

  • Page 77: Check For Common Problems

    Mainframe does not power Power connection faulty, check or substitute the power cord. Fuse blown, check the line fuse on the benchtop chassis. Benchtop chassis power supply failure, refer to the TLA 720 Benchtop Chassis Service Manual for troubleshooting procedures.
  • Page 78 Benchtop chassis or benchtop controller failure, refer to the troubleshooting procedure in this manual for the benchtop controller, refer to the TLA 720 Benchtop Chassis Service Manual for troubleshooting procedures for the benchtop chassis. Monitor does not power on Verify monitor power cord is plugged in.

  • Page 79: Eliminate Other Problem Sources

    Remove all plug-in modules from the benchtop chassis except the benchtop controller. Run “signs of life” tests (Primary Troubleshooting Tree in Chapter 6 of the TLA 720 Color Benchtop Chassis Service Manual). Troubleshoot the Benchtop Controller Module Follow the procedure in this section to identify the failed part within the benchtop controller.
  • Page 80 If there are no failures, you can view the results of the tests in the Calibration and Diagnostics page under the System menu. To view the Extended diagnostics, click on the Extended tab. 4–37 TLA 720 Benchtop Controller Service Manual...

  • Page 81: Table 4-7: Tla 700 Power-On Diagnostic Tests

    3. Select Programs from the Start menu. 4. Select Tektronix TLA 700 from the Programs menu. 5. Select TLA 700 Mainframe Diagnostics from the Tektronix TLA 700 menu. (Refer to the help section in the TLA 700 Mainframe Diagnostics for more information on running the TLA 700 Mainframe Diagnostics).

  • Page 82: Figure 4-23: Primary Troubleshooting Tree

    START menu. See BIOS error BIOS error code table 4–9 on message? Reinstall TLA software page 4–43 Application (see Installation manual) starts? Done Figure 4–23: Primary troubleshooting tree 4–39 TLA 720 Benchtop Controller Service Manual...

  • Page 83: Isolating System Problems

    TLA 714 and TLA 720 Installation Manual for software and module firmware update instructions. Ensure that the CMOS Setup parameters are set correctly (refer to Appen- dix B of the TLA 714 and TLA 720 Installation Manual for a list of the correct setups). Check for computer viruses.

  • Page 84: Table 4-8: Command Line Options For Resman32

    If ResMan32 encounters any errors (such as an unsupported instrument or application module), the resource manager will stop further communications and display information on why or at what point the instrument module was disabled. 4–41 TLA 720 Benchtop Controller Service Manual...

  • Page 85: Figure 4-24: Resman32 Program Output

    Troubleshooting Figure 4–24: ResMan32 program output 4–42 TLA 720 Benchtop Controller Service Manual...

  • Page 86: Bios Error Messages

    Table 4–9 lists the error codes, an explanation of each error code, and actions that can be taken. Refer to the TLA 714 and TLA 720 Series Installation Manual for information on BIOS setup parameters and feature settings.
  • Page 87 Press the <F1> key to restart the to Setup boot process, or press the <F2> key to enter the CMOS setup and make changes to the definitions. Verify that the CMOS setup is configured correctly. 4–44 TLA 720 Benchtop Controller Service Manual...
  • Page 88 Reboot the system first, then – run SETUP application. The CMOS setup may have to verify that the CMOS setup is be redefined. configured correctly. 4–45 TLA 720 Benchtop Controller Service Manual...

  • Page 89: Adjustment After Repair

    Mainframe power-on self tests. Verifies the power-on self test status. Inhibits any failed modules. Records the power-on self test failures. Determines the logic analyzer configuration. Executes the system controller power-on diagnostics. 4–46 TLA 720 Benchtop Controller Service Manual...

  • Page 90: Figure 4-25: Tla 700 Startup Sequence

    Start TLA 700 application Start resource manager Module power-on diagnostics System controller TLA 700 system power-on diagnostics tests Records failures in Calibration and Diagnostic property sheet TLA 700 ready Figure 4–25: TLA 700 startup sequence 4–47 TLA 720 Benchtop Controller Service Manual...
  • Page 91 Troubleshooting 4–48 TLA 720 Benchtop Controller Service Manual...

  • Page 92: Mainframe Troubleshooting

    The result will be as if the expansion mainframe was not connected. Power down the mainframes. Remove the two blue expansion cables and the gray expansion cable. Examine the connectors for bent or missing pins. 4–49 TLA 720 Benchtop Controller Service Manual...

  • Page 93: Software Problems

    You can also run the external TLA 700 Mainframe diagnostics to identify problems not covered by other diagnostics. The TLA 700 Mainframe diagnostics are located under the Start menu under the Tektronix TLA 700 programs. 4–50 TLA 720 Benchtop Controller Service Manual...

  • Page 94: Check For Common Problems

    Check that the TLA 7XM expansion module is in slot 0 of the TLA 7XM expansion chassis. Check that power is available at the power source. Check for failed fuses. Expansion mainframe failure: contact your local Tektronix service center. Monitor does not power-on Check the monitor power cord connection.
  • Page 95 If mainframe is a benchtop mainframe, check the status of the SYSTEM FAIL and TEST LEDs on the benchtop controller. If either LED stays on, contact your local Tektronix service center. Check the status of the READY and ACCESSED LEDs on the front panel of the application modules.
  • Page 96 Module address switches not set correctly. Power off mainframe and remove module. Set address switches to FF and reinstall module. Module failure; replace with known-good module or contact your local Tektronix service center. Mainframe failure; contact your local Tektronix service center.

  • Page 97: Tla 700 Startup Sequence

    After completing all of the above tasks (if you have performed the TLA 700 Final Setup), the logic analyzer starts the TLA 700 application which performs the following tasks: Power-on diagnostics on all installed modules. 4–54 TLA 720 Benchtop Controller Service Manual...

  • Page 98: Figure 4-26: Tla 700 Startup Sequence

    Start TLA 700 application Start resource manager Module power-on diagnostics System controller TLA 700 system power-on diagnostics tests Records failures in Calibration and Diagnostic property sheet Ready Figure 4–26: TLA 700 startup sequence 4–55 TLA 720 Benchtop Controller Service Manual...

  • Page 99: Isolating System Problems

    ResMan32 will terminate the tests and display the resultant action information in the text window. +p, +P ResMan32 will perform the mainframe power-on self test diagnostics. +v, +V ResMan32 records all actions in a text window in the verbose mode (default). 4–56 TLA 720 Benchtop Controller Service Manual...
  • Page 100 If ResMan32 encounters any errors (such as an unsupported instrument or application module), the resource manager will stop further communications and display information on why or at what point the instrument module was disabled. 4–57 TLA 720 Benchtop Controller Service Manual...

  • Page 101: Figure 4-27: Resman32 Program Output

    Mainframe Troubleshooting Figure 4–27: ResMan32 program output 4–58 TLA 720 Benchtop Controller Service Manual...

  • Page 102: Expansion Mainframe Troubleshooting

    The mounting screws will not provide enough force to seat the expansion module, and you can easily be strip the threads. 2. Install the known good benchtop controller in slot zero of the expansion chassis. 4–59 TLA 720 Benchtop Controller Service Manual...
  • Page 103 (which is no longer present) you will have to press and hold the power switch on the expansion mainframe for three to four seconds. If the expansion mainframe powers-on correctly, the problem can be isolated to either the expansion module(s) or the expansion cable(s). 4–60 TLA 720 Benchtop Controller Service Manual...

  • Page 104: Repackaging Instructions

    Type and serial number of the instrument. Reason for returning. A complete description of the service required. Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations. 4–61 TLA 720 Benchtop Controller Service Manual...
  • Page 105 Repackaging Instructions 4–62 TLA 720 Benchtop Controller Service Manual...

  • Page 106: Options

    Options...

  • Page 108: Tektronix Service Options

    And these options can be converted from service at Tektronix service depots to service on-site (see Option S1 and S3), which helps keep downtime to a minimum.

  • Page 109: Optional Accessories

    Uplift options are ordered with the mainframe products and cover individual modules. Tektronix Service Options are available at the time you order your instrument. Contact your local Tektronix Sales Office for more information. Optional Accessories Tektronix will ship the options shown in Table 5–1: Table 5–1: Options...

  • Page 110: Diagrams

    Diagrams...

  • Page 112: Interconnection Block Diagram

    Hard Disk Interface Bridge ASIC ASIC Display and I/O Adapter Board Floppy disk drive Benchtop Chassis Module Slot #2 Module Slot #3 Module Slot #12 Power Supply Enhanced Monitor Blower Figure 6–1: Interconnection block diagram 6–1 TLA 720 Benchtop Controller Service Manual...

  • Page 113: Figure 6-2: Benchtop Chassis Block Diagram

    10P1 11P1 12P1 11P2 10P2 12P2 Temperature Sense Board On/Standby Slot Slot Slot Slot Slot Slot Slot Slot Slot Slot Slot 10 Slot 11 Slot 12 Switch Figure 6–2: Benchtop chassis block diagram 6–2 TLA 720 Benchtop Controller Service Manual...

  • Page 114: Replaceable Mechanical Parts

    Replaceable Mechanical Parts...

  • Page 116: Standard Accessories

    Flash jumper with pull tab 131–4356–00 (for flashing module firmware) TLA 700 Series, Version 3.1, User Manual 071–0684–XX Tek mouse pad 016–1524–XX Cap, fuse holder 200–4326–00 Fuse, 15A 159–0256–00 Fuse, 6.3A 159–0381–00 Fuse, 20A 159–0379–00 7–1 TLA 720 Benchtop Controller Service Manual...

  • Page 117: Optional Accessories

    070–9776–XX Technical Reference Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements.
  • Page 118 670-7918-03 670-7918-XX When you order parts, Tektronix will provide you with the most current part for your product type, serial number, and modification (if applicable). At the time of your order, Tektronix will determine the part number revision level needed for your product, based on the information you provide.

  • Page 119: Using The Replaceable Parts List

    Use the U. S. Federal Catalog Handbook H6-1 for further item name identification. Mfr. Code Manufacturer code. Mfr. Part Number Manufacturer’s or vendor’s part number. Abbreviations Abbreviations conform to American National Standard ANSI Y1.1–1972. 7–4 TLA 720 Benchtop Controller Service Manual...
  • Page 120 NORTHWEST RUBBER EXTRUDERS INC 16748 SW 72ND AVE PORTLAND, OR 97224 TK2469 UNITREK CORPORATION 3000 LEWIS & CLARK HWY VANCOUVER, WA 98661 TK2541 AMERICOR ELECTRONICS LTD 2682 W COYLE AVE ELK GROVE VILLAGE, IL 60007 7–5 TLA 720 Benchtop Controller Service Manual...

  • Page 121: Figure 7-1: Benchtop Controller Exploded View

    Replaceable Mechanical Parts Replaceable Parts List The replaceable parts listing contains replaceable parts and accessories for the benchtop controller, as well as the benchtop mainframe. Figure 7–1: Benchtop controller exploded view 7–6 TLA 720 Benchtop Controller Service Manual...
  • Page 122 MARKER INDENT:EJECTOR LABEL,BOTTOM,0.745 X 0KB05 334918900 0.520 –5 334–9236–00 MARKER,IDENT:MKD TEKTRONIX,TOP 0KB05 334923600 INJECTOR/EJECTOR LABEL,BENCHTOP CONTROLLER –6 367–0489–00 HANDLE:INJECTOR/EJECTOR ASSEMBLY,TWO 80009 367–0489–00 WIDE VXI,WITH TTL KEYING,SPRING LOADED,PLASTIC,10% – 214–4762–00 SPRING,CONICAL:SPRING,CONICAL 8X345 ORDER BY DESCRIPTION 7–7 TLA 720 Benchtop Controller Service Manual...

  • Page 123: Figure 7-2: Benchtop Controller Exploded View (Cont.)

    Replaceable Mechanical Parts Figure 7–2: Benchtop controller exploded view (cont.) 7–8 TLA 720 Benchtop Controller Service Manual...
  • Page 124 FUSE,CARTRIDGE:5 X 20 MM,6.3A,250V,FAST BLOW,HIGH 71400 GDA–6.3 BREAKING CAPACITY,UL REC,SEMKO, – 071–0264–XX MANUAL, TECH: TLA 700 SERIES LOGIC ANALYZER 80009 071–0264–XX INSTALLATION MANUAL – 071–0265–XX MANUAL, TECH: USER, TLA 700 SERIES LOGIC ANALYZER 80009 070–9775–XX 7–9 TLA 720 Benchtop Controller Service Manual...
  • Page 125 070–9776–00 PERFORMANCE VERIFICATION AND ADJUSTMENT 071–0269–XX MANUAL, TECH: SERVICE, TLA 720 BENCHTOP 80009 071–0269–00 CONTROLLER 071–0268–XX MANUAL, TECH: SERVICE, TLA 720 BENCH TOP CHASSIS 80009 071–0268–XX 071–0267–XX MANUAL, TECH: SERVICE, TLA 714 PORTABLE MAINFRAME 80009 071–0267–XX 071–0266–XX MANUAL, TECH: SERVICE, TLA 7Nx and TLA 7Px SERIES 80009 071–0268–XX...

  • Page 126: Index

    Index...
  • Page 128 4–20 mouse port, 2–3 removal, 4–20 PC card, 2–4 Front panel components, 2–1 USB, 2–3 LED indicators, 2–1 Contacting Tektronix, vi Controller, 3–1 Cover installation, 4–12 General safety summary, vii removal, 4–11 Index–1 TLA 720 Benchtop Controller Service Manual...
  • Page 129 Module packaging, 4–61 LPT port, pin assignments, 2–5 shipping information, 4–61 Mouse port, description, 2–3 Main memory, maximum installed configuration, 1–1, Naming conventions 2–2 benchtop chassis, v Mainframe benchtop controller, v diagnostics, 4–49 Index–2 TLA 720 Benchtop Controller Service Manual...
  • Page 130 SO DIMM, 4–13 Repackaging instructions, 4–61 offerings, xii Replaceable hard disk drive, 2–3, 3–1 overview, 4–6 Replaceable modules processor board, 4–17 CD ROM drive, 4–6 repair service, xii fixed hard disk drive, 4–6 Index–3 TLA 720 Benchtop Controller Service Manual...
  • Page 131 SO DIMM TLA 714 mainframe, removing the hard disk drive, installation, 4–13 4–24 removal, 4–13 TLA 720 mainframe, removing the hard disk drive, 4–7 SO DIMM memory, 2–2 Tools required Software to install fixed hard disk drive, 4–24 diagnostics, 4–49 to service, 4–6...

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