Tektronix TLA7N Series User manual

Service Manual
Tektronix Logic Analyzer Module
(TLA7Nx, LTA7Px, & TLA7Qx)
071-0864-01
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
performing service.
www.tektronix.com

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.
MagniVu and PowerFlex are registered trademarks of Tektronix, Inc.

WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship
for a period of one (1) year from the date of shipment. If a product proves defective during this warranty period, Tektronix,
at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in
exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the
warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for
packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid.
Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any
other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair
damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction
caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other
products when the effect of such modification or integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR
IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO
REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO
THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE
OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH
DAMAGES.

TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual i
Table of Contents
General Safety Summary vii...................................
Service Safety Summary ix....................................
Preface xi...................................................
Manual Structure xi................................................
Manual Conventions xii..............................................
Related Manuals xiii.................................................
Contacting Tektronix xiv.............................................
Introduction xv..............................................
Adjustment and Certification Interval xv................................
Strategy for Servicing xv.............................................
Service Offerings xvi................................................
Specifications
Product Description 1--1..............................................
Characteristic Tables 1--1.............................................
Operating Information
Installation 2--1.....................................................
Software Installation and Removal 2--2..................................
Operating Information 2--4............................................
Merged Modules 2--10.................................................
Merging Rules 2--10.................................................
Theory of Operation
Block Level Description 3--1....................................
Performance Verification
Performance Verification: Logic Analyzer Module 4--1..............
Summary Verification 4--1.............................................
Test Equipment 4--3..................................................
Functional Verification 4--4............................................
LA Module Certification 4--10..........................................
Performance Verification Instructions 4--10................................
Performance Verification Tests 4--16.....................................
Performance Verification: Adjustment/Verification Fixture 4--21.......
Test Equipment 4--21..................................................
Functional Verification 4--21............................................
Certification 4--25....................................................
Performance Verification 4--25..........................................
Test Procedures 4--27..................................................
Calibration Data Report 4--37....................................

Table of Contents
ii TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
Adjustment Procedures
Logic Analyzer Module Adjustment Procedures 5--1................
Prerequisites 5--1....................................................
Merged Modules 5--2.................................................
Using the Software 5--3...............................................
Test Equipment 5--3..................................................
Adjustment Instructions 5--4...........................................
Tests Performed 5--5.................................................
Adjustment Procedures 5--6............................................
Self Calibration 5--6..................................................
Completing the Adjustment Steps 5--9...................................
Adjustment/Verification Fixture Adjustments 5--11..................
Adjustment/Verification Fixture Adjustment 5--11...........................
Maintenance
Related Maintenance Procedures 6--1....................................
Preventing Electrostatic Discharge 6--1..................................
Inspection and Cleaning 6--2...........................................
Removal and Installation Procedures 6--5.........................
Preparation 6--5.....................................................
Tools Required 6--5..................................................
Torque Requirements 6--5.............................................
Injector/Ejector Handles 6--6...........................................
Cover 6--7..........................................................
Daughter Boards 6--11.................................................
Local Processor Unit Board 6--13.......................................
Acquisition Board 6--17................................................
Fuses 6--22..........................................................
Rear EMI Gaskets 6--24................................................
Troubleshooting 6--27...........................................
Service Level 6--27...................................................
Required Documentation 6--28..........................................
Check for Common Problems 6--28......................................
Eliminate Other Problem Sources 6--30...................................
Troubleshoot the Logic Analyzer Module 6--31.............................
Adjustment After Repair 6--38..........................................
Overview of Procedures 6--39...........................................
Repackaging Instructions 6--41...................................
Packaging 6--41......................................................
Shipping to the Service Center 6--41......................................
Storage 6--42........................................................
Options
TLA7N1, TLA7N2, TLA7N3 and TLA7N4 Options 7--1....................
TLA7P2, TLA7P4, TLA7Q2 and TLA7Q4 Options 7--2.....................
Service Options 7--2..................................................

Table of Contents
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual iii
Electrical Parts List
Diagrams
Interconnection Block Diagram 9--1.....................................
Mechanical Parts List
Parts Ordering Information 10--1.........................................
Using the Replaceable Parts List 10--2....................................

Table of Contents
iv TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
List of Figures
Figure 2--1: Logical address switches 2--2..........................
Figure 2--2: Front panel of the logic analyzer module 2--5............
Figure 2--3: Location of modules in a two way merge 2--11............
Figure 2--4: Location of modules in a three way merge 2--12...........
Figure 4--1: Calibration/certification procedure flow chart 4--2.......
Figure 4--2: Probe functional verification test setup 4--8..............
Figure 4--3: Activity Monitor 4--9................................
Figure 4--4: Adjustment/verification fixture connections and
jumper locations 4--16.......................................
Figure 4--5: FPV_DC_Threshold test setup 4--17.....................
Figure 4--6: Initial FPV_Setup_0F test setup 4--18...................
Figure 4--7: Initial FPV_Hold_0F test setup 4--19....................
Figure 4--8: FPV_Maxsync test setup 4--20..........................
Figure 4--9: Adjustment/verification fixture detail 4--23...............
Figure 4--10: Probe tip adapter detail 4--26........................
Figure 4--11: Adjustment/verification fixture detail 4--28..............
Figure 5--1: P6434 probe detail 5--4...............................
Figure 5--2: Initial deskew test setup 5--8..........................
Figure 5--3: Adjustment/verification fixture circuit board layout 5--13...
Figure 6--1: Injector/ejector handle replacement 6--6................
Figure 6--2: Cover removal 6--8..................................
Figure 6--3: Feeding the merge cable through the cover 6--9..........
Figure 6--4: Seating the cover on the chassis 6--10....................
Figure 6--5: Daughter board replacement 6--12......................
Figure 6--6: LPU board removal 6--14..............................
Figure 6--7: Inserting LPU board tabs into front subpanel 6--15........
Figure 6--8: Crimping the interconnect cables 6--16..................
Figure 6--9: Removing the cables from the Acquisition board 6--18.....
Figure 6--10: Removing the Merge cable connector from the chassis 6--19
Figure 6--11: Removing the acquisition board from the chassis 6--20....
Figure 6--12: Fuse replacement 6--23...............................
Figure 6--13: Rear EMI gasket removal 6--25........................
Figure 6--14: Rear EMI gasket replacement 6--25....................

Table of Contents
TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual v
Figure 6--15: Primary troubleshooting chart 6--35...................
Figure 9--1: Interconnections 9--1................................
Figure 9--2: Block diagram 9--2..................................
Figure 10--1: TLA700 Series Logic Analyzer Module exploded view 10--4
Figure 10--2: TLA700 Series LPU board exploded view 10--8..........
Figure 10--3: TLA700 Series Acquisition board exploded view 10--10....
Figure 10--4: Adjustment/verification fixture exploded view 10--13.......

Table of Contents
vi TLA7Nx, TLA7Px, & TLA7Qx Logic Analyzer Module Service Manual
List of Tables
Table 1--1: LA module channel width and depth 1--2...............
Table 1--2: LA module clocking 1--2..............................
Table 1--3: LA module trigger system 1--4.........................
Table 1--4: LA module MagniVu feature 1--6......................
Table 1--5: LA module data handling 1--6.........................
Table 1--6: LA module input parameters with probes 1--7...........
Table 1--7: LA module mechanical 1--8...........................
Table 1--8: Merged modules 1--8.................................
Table 1--9: Atmospherics 1--8...................................
Table 1--10: Certifications and compliances 1--9....................
Table 1--11: Adjustment/verification fixture specifications 1--9........
Table 3--1: Local Processor Unit board fuses 3--2...................
Table 4--1: Test equipment 4--3..................................
Table 4--2: Logic Analyzer Module functional verification
procedures 4--4............................................
Table 4--3: LA Module performance verification tests 4--12...........
Table 4--4: LA Module characteristics indirectly checked by the
performance verification tests 4--12............................
Table 4--5: Adjustment/verification fixture performance
verification tests 4--25.......................................
Table 4--6: Adjustment/verification fixture jumper settings 4--28.......
Table 6--1: External inspection check list 6--3......................
Table 6--2: Internal inspection check list 6--3......................
Table 6--3: Tools required for circuit board replacement 6--5.........
Table 6--4: Local Processor Unit board fuses 6--22...................
Table 6--5: Acquisition board fuses 6--22...........................
Table 6--6: Failure symptoms and possible causes 6--29...............
Table 6--7: Diagnostic tests 6--36..................................
Table 6--8: Requirements after replacement 6--38....................
Table 6--9: Troubleshooting overview 6--39.........................
Table 7--1: TLA7N1, TLA7N2, TLA7N3 and TLA7N4 options 7--1....
Table 7--2: TLA7P2, TLA7P4, TLA7Q2 and TLA7Q4 options 7--2....