Tektronix TLA7AA Series Service Manual Download Page 11

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Table of Contents

TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual

Summary of Contents for TLA7AA Series

Page 1: ...uy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing R...

Page 2: ...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 a...

Page 3: ...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 50...

Page 4: ...tions This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this...

Page 5: ......

Page 6: ...ice Agreements xviii Service On Demand xviii Self Service xix For More Information xix Specifications Operating Information Installation 2 1 Logical Address 2 1 Merged Modules 2 2 Module Installation...

Page 7: ...ment Procedures Self Calibration 5 1 Maintenance Related Maintenance Procedures 6 1 Preventing Electrostatic Discharge 6 1 Inspection and Cleaning 6 2 General Care 6 2 Inspection and Cleaning Procedur...

Page 8: ...nalyzer Module 6 31 Equipment Required 6 31 Preparation 6 31 Calibration and Diagnostic Procedures 6 31 Fault Isolation Procedure 6 33 Primary Troubleshooting Chart 6 34 Diagnostics Table 6 35 Adjustm...

Page 9: ...6 3 Storing the probe head 6 9 Figure 6 4 Storing the P69xx probe heads 6 10 Figure 6 5 Injector ejector handle replacement 6 12 Figure 6 6 Removing the merge cable bracket from the cover 6 14 Figure...

Page 10: ...list 6 4 Table 6 3 Tools required for circuit board replacement 6 11 Table 6 4 Failure symptoms and possible causes 6 29 Table 6 5 Diagnostic tests 6 35 Table 6 6 Requirements after replacement 6 37 T...

Page 11: ...Table of Contents vi TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 12: ...that the fixture is properly grounded Ground the Product The logic analyzer modules are indirectly grounded through the grounding conductor of the mainframe power cord To avoid electric shock the gro...

Page 13: ...ng 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 ot...

Page 14: ...this product unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock switch off the instrument power then disconnect the power cord...

Page 15: ...Service Safety Summary x TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 16: ...figuration 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 H Performance...

Page 17: ...of the instru ment 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...

Page 18: ...accessories including SMT KlipChips for quick connections to a variety of IC pins and connectors This is a 34 channel differential probe used with the TLA7Axx TLA7NAx series logic analyzers This probe...

Page 19: ...g oscilloscope modules Isolating and correcting failures in the DSO module Provides adjustment procedures performance verification procedures and certification procedures for the DSO modules TLA7Nx TL...

Page 20: ...onix com Sales support 1 800 833 9200 select option 1 Service sup port 1 800 833 9200 select option 2 Technical sup port Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p...

Page 21: ...Preface xvi TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 22: ...ll warnings and cautions Adjustment and Certification Interval It is recommended that you have a qualified Tektronix Service Center technician perform adjustment and certification calibration procedur...

Page 23: ...ces that provide cost effective solutions to your service needs and quality standards compliance requirements Our instruments are supported worldwide by the leading edge design manufacturing and servi...

Page 24: ...omes with a 90 day service warranty When you exchange circuit boards you must supply the following information to allow the board to be preconfigured to the proper PowerFlex level You can also return...

Page 25: ...Introduction xx TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 26: ...ektronix logic Analyzer Family Product Specifications document for a complete list of specifications for the TLA700 series logic analyzer products This document is available on the Tektronix Logic Ana...

Page 27: ...Specifications 1 2 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 28: ...ocations When servicing the logic analyzer module you should have no need for changing the address However in most cases the switches should be set to FF the factory default setting to enable dynamic...

Page 29: ...re applying power to the mainframe Before installing the modules determine if you want to merge the modules You must physically connect the module together before installing them in the mainframe Slid...

Page 30: ...rating Information TLA7AXX TLA7NAX Logic Analyzer Module Service Manual 2 3 Portable mainframe Benchtop mainframe Injector ejector handles Retaining screws Figure 2 2 Installing modules in the mainfra...

Page 31: ...f the logic analyzer module It provides a high level overview of the logic analyzer user interface and software Figure 2 3 shows the connectors and indicators on the front panel of a 136 chan nel logi...

Page 32: ...Each probe connector accepts a 34 channel active probe consisting of 32 data channels and two clock qualifier channels Probe Retainer Mounting Holes The threaded probe retainer mounting holes provide...

Page 33: ...nd trigger functionality The 34 channel and 68 channel modules do not have merge connectors The merge connector on the left side of the module can be physically extended to connect with the connector...

Page 34: ...to Logical Address on page 2 1 Most user information for operating the logic analyzer module is available through the online help within the logic analyzer application You can select the online help...

Page 35: ...efore power was interrupted must be replaced with a complete set of new data For best results always perform the self calibration after at least a 30 minute warm up The logic analyzer module may requi...

Page 36: ...to help you capture the data that you are interested in H Listing Data Window The Listing Data window displays acquired data as tabular text Each column of data represents one group of data or other...

Page 37: ...e master module If there is a second slave module the first slave must have greater than or equal the number of channels as the second slave module Slave 3 cannot have more channels than the master sl...

Page 38: ...ning the location of the master module with the merged module set Even though Figure 2 6 shows a five module set you can still use the illustration to position the master module with respect to the sl...

Page 39: ...connector assembly from the module NOTE When installing the merged modules into a mainframe you may need the help of another individual 8 Place the first pair of modules to be merged side by side suc...

Page 40: ...ON 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...

Page 41: ...alyzer Module Service Manual Slide module set all the way in Align Align Latch in place Figure 2 9 Installing the merged module set in the mainframe 13 Slide the modules all the way into the mainframe...

Page 42: ...The following procedures provide the steps for unmerging the modules 1 Power down the mainframe before removing the modules from the main frame 2 Use the ejector handles to disengage each module in th...

Page 43: ...Operating Information 2 16 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 44: ...ctors on the rear of the boards that provide connections to the mainframe Up to four active probes per module acquire data from the target system and send it to the logic analyzer module for processin...

Page 45: ...clock is derived from the 10 MHz clock from the backplane through a phase locked loop The acquisition run circuitry is integrated with the clock circuitry to support time correlation The probe interfa...

Page 46: ...ilable and can only run at half the speed Every stored data sample takes up two memory locations one to hold the actual data sample and the other to hold the corresponding glitch information or the se...

Page 47: ...ity 4X single ended probe H P6880 34 channel high density differential probe H P6960 34 channel high density single ended probe with D Max probing technology H P6980 34 channel high density differenti...

Page 48: ...dule to the Slave modules The merged modules must be located in adjacent slots The merge connector passes 48 signals between adjacent modules excluding the system clock These signals consist of 16 tri...

Page 49: ...Theory of Operation 3 6 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 50: ...ns These procedures include power on diagnostics extended diagnostics and manual check procedures You can use these procedures for incoming inspection purposes If any check within this section fails r...

Page 51: ...rnal self test to verify basic functionality No external test equipment is required The self tests require only a few seconds per module to complete The front panel ARM D and TRIG D indicators blink d...

Page 52: ...each one of the tests listed in the menu under the module selection All tests that displayed an Unknown status will change to a Pass or Fail status depending on the outcome of the tests 5 Scroll thro...

Page 53: ...Performance Verification 4 4 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 54: ...equipment or user actions are needed to complete the procedure The logic analyzer module saves data generated by the self calibration in nonvolatile memory Passing self calibration provides a higher l...

Page 55: ...ct any probes connected to the logic analyzer module 3 Select Calibration and Diagnostics from the System menu 4 Select the Self Calibration tab page 5 Select the logic analyzer module 6 Click the Run...

Page 56: ...g information for shipment or storage Related Maintenance Procedures The TLA7UP Mainframe Field Upgrade Instruction Manual contains some maintenance procedures not included in this manual Refer to the...

Page 57: ...verification procedures performed or as an incoming inspection The side cover keeps dust out of the instrument and should be in place during normal operation Inspect and clean the instrument as often...

Page 58: ...sing mechanical parts Front panel connectors Broken shells cracked insulation and deformed contacts Dirt in connectors Replace defective parts or clean parts based on the cleaning procedures Rear conn...

Page 59: ...cuit run plating Remove failed circuit board and replace with a new one Resistors Burned cracked broken blis tered condition Remove failed circuit board and replace with a new one Capacitors Damaged o...

Page 60: ...parts 6 Dry all parts with low pressure deionized air 7 Dry all components and assemblies in an oven or drying compartment using low temperature 51 7 _C to 65 6 _C 125 _F to 150 _F circulating air To...

Page 61: ...e alcohol sparingly and be sure that you have removed any remaining lint or residue with the nitrogen air gun Cleaning the P6864 and P6880 Probe Heads Before connecting the P6864 or P6880 probes to th...

Page 62: ...n a cotton swab with isopropyl alcohol Print pads Elastomer holder 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...

Page 63: ...damp cloth Never use abrasive cleaners or organic solvents CAUTION Static discharge can damage semiconductor components in the probe head Always wear a grounded antistatic wrist strap whenever handlin...

Page 64: ...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 2 While holding the probe end at a perpendicular angle to...

Page 65: ...ce Manual 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 en...

Page 66: ...he beginning of this manual To prevent possible injury to service personnel or damage to electrical compo nents read Preventing Electrostatic Discharge on page 6 1 Tools Required Table 6 3 lists the t...

Page 67: ...lete the following proce dures Use the following procedure to remove the injector ejector handles 1 Place the module on the right side see Figure 6 5 2 Remove the two screws that secure the injector e...

Page 68: ...need a screwdriver with a T 9 and a T 10 tip to complete the following procedures Use the following procedure and Figures 6 6 and 6 7 to remove the covers 1 Place the module on the right side 2 Remove...

Page 69: ...and Installation Procedures 6 14 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual Disconnect merge cable from the board Screws 8 Cable bracket Figure 6 6 Removing the merge cable bracket from the...

Page 70: ...ule fits into adjacent slots in the mainframe 1 Place the module on its right side CAUTION To prevent damage to the module during the installation process reinstall the cover exactly as described in s...

Page 71: ...ueeze the chassis flange and rear panels flange together while tightening the screws on the sides This ensures that the rear panel does not rotate otherwise the module may not seat properly when insta...

Page 72: ...edures TLA7AXX TLA7NAX Logic Analyzer Module Service Manual 6 17 10 Check and tighten all screws to 4 in lbs Leave no vertical gap Make sure tab inserts into slot on rear of front panel Figure 6 9 Sea...

Page 73: ...rade number and firmware level Use the following procedure and Figure 6 10 to remove the LPU board 1 Perform the Covers removal procedure see page 6 13 2 Remove the five T 10 Torx drive screws that se...

Page 74: ...he 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 2 Line up the pins on the 160 pin connector...

Page 75: ...ic analyzer module This information should match the module specific information on the System Properties tab in the TLA application If the PowerFlex level does not match the information on the side p...

Page 76: ...right side merge cable For these modules ignore the steps dealing with the merge cable 3 Complete the following steps while referring to Figure 6 12 and Figure 6 13 on page 6 22 to remove the merge c...

Page 77: ...rocedures 6 22 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual slide merge cable bracket back Lift merge cable bracket up and slide out Disconnect cable from acquisition board Figure 6 13 Removin...

Page 78: ...the acquisition board 5 For TLA7Axx modules disconnect the four analog output cables on the acquisition board For TLA7NAx modules skip this step 6 Remove the five T 10 screws from the acquisition boa...

Page 79: ...e spacer posts that secure the acquisition board to the chassis 5 For TLA7Axx modules connect the four analog output cables from the front panel to the acquisition board For TLA7NAx modules skip this...

Page 80: ...rcuit board to you local Tektronix service center for corrective action Front and Rear EMI Gaskets Use the following procedure to remove the front and rear EMI gaskets 1 Perform the Cover removal proc...

Page 81: ...from side to side to ensure that the gasket snaps in place Slide open end onto module Rotate into place lifting any gasket fingers that bind Make sure gasket snaps into holes by pulling on gasket 1 2...

Page 82: ...6 30 to eliminate the mainframe probes and other modules as the source of the fault s 3 Perform the Troubleshoot the Logic Analyzer Module procedure beginning on page 6 31 to identify the failed repla...

Page 83: ...chtop or portable mainframe as problem source whichever configuration is in use TLA700 Series Logic Analyzer Installation Manual To remove and reinstall modules in mainframe TLA7UP Mainframe Field Upg...

Page 84: ...nframe Field Upgrade Instruction Manual for information on reinstalling the latest firmware H Module logical address switches set to 00 Reset the switches to FF Controller does not power on H Module n...

Page 85: ...talled the problem most likely is in the mainframe or in the attached probes not in the logic analyzer module 5 To eliminate the probes use known good probes and verify that the probes are properly co...

Page 86: ...module This procedure requires that the module is installed in a fully functional mainframe If you have not determined that the mainframe is functional or if you suspect the problem might be in a pro...

Page 87: ...th probes disconnected from the module To run the extended diagnostics do the following steps 1 Disconnect the probes from the logic analyzer module 2 Start the TLA application if it is not already ru...

Page 88: ...If steps 3a and 3b are verified the module is recognized if not verified the module is not recognized Proceed as the troubleshooting tree instructs 5 If diagnostic failures occur replace the circuit b...

Page 89: ...tified for the replaced module Replace LPU board Start TLA application Run extended diagnostics Module recognized Other test fail Address switches set to 00 Set switches to FF No Yes Yes No No Kernel...

Page 90: ...Decode n n NVRAM Check n n Acquisition board Timestamp Timestamp Rollover n n Acquisition RAM Data Bus n n Acquisition RAM Address Bus n n Timestamp Acquire n Clock Qualifier Combiner RAM n n Clock St...

Page 91: ...dom n SFDL 1 n n SFDL 2 n n PLL n n Demux n Edge Detector n Setup and Hold n Glitch n Memory Interface Controller AD Bus n n MAR Rollover n n Waveform 0 n n Waveform 1 n n Waveform Pins n n Waveform C...

Page 92: ...r instructions for updating module firmware Updating or Restoring the Logic Analyzer Firmware You may have to update the firmware on the logic analyzer module if the module does not appear in the TLA...

Page 93: ...enu 8 Click the TLA7AXX lod file for TLA7Axx modules or the TLANAX lod file for TLA7NAx modules NOTE Be sure to select the proper lod file for each module Note the slot number in the title bar so that...

Page 94: ...ubleshooting overview Procedure Recommended interval Purpose When required Documented Diagnostics power on and extended Incoming inspection Annually Verifies basic functionality During troubleshooting...

Page 95: ...Troubleshooting 6 40 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 96: ...l the shipping carton with an industrial stapler or strapping tape Shipping to the Service Center Contact the Service Center to get an RMA return material authorization number and any return or shippi...

Page 97: ...damaged during transit or storage Storage The logic analyzer module should be stored in a clean dry environment The following environmental characteristics apply for both shipping and storage H Temper...

Page 98: ...S Increase to 2 Mb memory depth 120 MHz state speed 3S Increase to 8 Mb memory depth 120 MHz state speed 4S Increase to 32 Mb memory depth 120 MHz state speed 5S Increase to 128 Kb memory depth 235 MH...

Page 99: ...options Option Description 1S Increase to 64 Mb memory depth 235 MHz state speed 2S Increase to 64 Mb memory depth 450 MHz state speed TLA7NAX Options Table 7 3 lists the options for the TLA7NAx modu...

Page 100: ...s Option C5 Provides factory calibration certification on delivery plus four more years of calibration coverage The instrument will be calibrated according to its calibration interval Test data Option...

Page 101: ...Options 7 4 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 102: ...TLA7AXX TLA7NAX Logic Analyzer Module Service Manual 8 1 Electrical Parts List Refer to the Mechanical Parts List chapter for a complete list of replaceable parts...

Page 103: ...Electrical Parts List 8 2 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 104: ...ogic Analyzer Module Service Manual 9 1 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 troubl...

Page 105: ...ications Interface P1 P2 160 Acquisition system P2 Backplane Interface Trigger Power supplies Acquisition Board Interface LPU Board Interface P1 Acquisition Memory Probe Interface Clocks Merge Probe P...

Page 106: ...essor system Communications Interface P1 P2 160 Acquisition system P2 Backplane Interface Trigger Power supplies Acquisition Board Interface LPU Board Interface P1 Acquisition Memory Probe Interface C...

Page 107: ...Diagrams 9 4 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual...

Page 108: ...ble If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Modules can b...

Page 109: ...the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entry indicates the part is good for all serial numbers 5 Qty This...

Page 110: ...D NJ 07004 6095 61058 PANASONIC INDUSTRIAL CO ECG M S 7H 4 TWO PANASONIC WAY SECAUCUS NJ 07094 61935 SCHURTER INC 1016 CLEGG CT PO BOX 750158 PETALUMA CA 94975 0158 71400 BUSSMANN DIVISION COOPER INDU...

Page 111: ...rts List 10 4 TLA7AXX TLA7NAX Logic Analyzer Module Service Manual 5 1 2 3 4 5 6 7 8 9 10 12 4 4 11 12 4 13 14 15 16 17 18 19 20 21 22 23 Figure 10 1 TLA7AAX TLA7ABX and TLA7NAX Logic Analyzer Module...

Page 112: ...LED YELLOW 585NM 2MCD AT 5V 60 DEG VIEW ANGLE INTEGRAL RES TINTED DIFFUSED RIGHT NOT SHOWN 0MS63 MR5360 MP4B 7 129 1478 00 5 SPACER POST 1 738 L 1 113 SPACING W 0 35 L 0 25 HEX W 4 40 INT THD X 6 32 E...

Page 113: ...CH W SUB FRONT PANEL LEXAN 0 62 AL TLA7AA3 TK1943 441 2259 00 441 2260 00 1 CHASSIS ASSY 136 CH W SUB FRONT PANEL LEXAN 0 62 AL TLA7AA4 TLA7AB4 TK1943 441 2260 00 441 2372 00 1 CHASSIS ASSY 34 CH W SU...

Page 114: ...ENT LABEL MKD TLA7AB4 136CH TOP INJECTOR EJECTOR 0 745 X 0 520 0 010 POLY GE LEXAN W ADHE 0KB05 335 0645 00 335 1156 00 1 MARKER IDENT LABEL MKD TLA7NA1 TOP INJECTOR EJECTOR 0 745 X 0 520 0 010 POLY G...

Page 115: ...D UPDRADE TLA6UP DP TK2548 071 0866 05 071 1059 04 1 MANUAL TECH INSTRUCTION P6810 P6860 P6880 LOGIC ANALYZER PROBES DP TK2548 071 1059 04 071 1528 00 1 MANUAL TECH INSTRUCTION P6960 AND P6980 LOGIC A...

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