Tektronix TDS6604 Bedienungsanleitung

Service Manual

TDS6000 Series

Digital Storage Oscilloscope

071-7021-01

This document applies to firmware version 1.00

and above.

Warning

The servicing instructions are for use by qualified

personnel only. To avoid personal injury, do not

perform any servicing unless you are qualified to

do so. Refer to all safety summaries prior to

performing service.

www.tektronix.com

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

TEKTRONIX and TEK 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 this product proves defective during its

warranty period, Tektronix, at its option, will either repair the defective product without charge for parts and labor,

or provide a replacement in exchange for the defective product.

This warranty applies only to products returned to the designated Tektronix depot or the Tektronix authorized

representative from which the product was originally purchased. For products returned to other locations,

Customer will be assessed an applicable service charge. The preceding limitation shall not apply within the

European Economic Area, where products may be returned for warranty service to the nearest designated service

depot regardless of the place of purchase.

In order to obtain service under this warranty, Customer must provide the applicable office of Tektronix or its

authorized representative with notice 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 or its representative, with shipping charges

prepaid. Tektronix or its representative shall pay for the return of the product to Customer. Customer shall be

responsible for paying any associated taxes or duties.

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 consumables;

d) to repair 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; or

e) to repair damage or malfunction resulting from failure to perform user maintenance and cleaning at the

frequency and as prescribed in the user manual (if applicable).

THE ABOVE WARRANTIES ARE GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT 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.

TDS6000 Series Service Manual i

Table of Contents

List of Figures v............................................

List of Tables viii.............................................

General Safety Summary xi...................................

Service Safety Summary xiii....................................

Preface xv...................................................

Manual Structure xv................................................

Manual Conventions xv..............................................

Related Documentation xvi...........................................

Contacting Tektronix xvi.............................................

Specifications

Product and Feature Description 1--1....................................

Acquisition Features 1--2..........................................

Signal Processing Features 1--2.....................................

Display Features 1--2.............................................

Measurement Features 1--3.........................................

Trigger Features 1--3..............................................

Convenience Features 1--3.........................................

Specification Tables 1--4..............................................

Operating Information

Installation 2--1.....................................................

Before You Start 2--1.............................................

Environmental Considerations 2--1..................................

Connect the Peripherals 2--2........................................

Power On the Instrument 2--4.......................................

Powering Off the Oscilloscope 2--5..................................

Create an Emergency Startup Disk 2--5...............................

Software Installation 2--6..........................................

Operating Information 2--7............................................

Back Up User Files 2--7...........................................

User Interface Map 2--7...........................................

Front Panel Controls Map 2--9......................................

Front Panel I/O Map 2--10..........................................

Instrument Diagnostics 2--10........................................

Signal Path Compensation 2--11.....................................

Using the Online Help 2--11.........................................

Table of Contents

ii TDS6000 Series Service Manual

Theory of Operation

Logic Conventions 3--1...............................................

Module Overviews 3--1...............................................

General 3--1....................................................

Input Signal Path 3--1.............................................

Display Panel 3--2................................................

Front Panel 3--2..................................................

Rear Panel 3--3..................................................

Low Voltage Power Supply 3--3.....................................

Fans 3--3.......................................................

Performance Verification

Conventions 4--2....................................................

Brief Procedures 4--5...........................................

Self Tests 4--5.......................................................

Verify Internal Adjustment, Self Compensation, and Diagnostics 4--5.......

Functional Tests 4--6.................................................

Verify All Input Channels 4--7......................................

Verify the Time Base 4--11..........................................

Verify the A (Main) and B (Delayed) Trigger Systems 4--13...............

Verify the File System 4--15.........................................

Performance Tests 4--17.........................................

Prerequisites 4--17....................................................

Equipment Required 4--18..............................................

TDS6000 Test Records 4--20............................................

Signal Acquisition System Checks 4--29...................................

Check DC Voltage Measurement Accuracy 4--29........................

Check Offset Accuracy 4--33........................................

Check Maximum Input Voltage 4--37.................................

Check Analog Bandwidth 4--41......................................

Check Delay Between Channels 4--46.................................

Check Channel Isolation (Crosstalk) 4--50.............................

Check Input Impedance 4--54........................................

Time Base System Checks 4--56.........................................

Check Long-Term Sample Rate and Delay Time Accuracy and

Reference 4--56............................................

Check Delta Time Measurement Accuracy 4--60........................

Trigger System Checks 4--63............................................

Check Time Accuracy for Pulse, Glitch, Timeout, and

Width Triggering 4--63......................................

Check Sensitivity, Edge Trigger, DC Coupled 4--66......................

Output Signal Checks 4--72.............................................

Check Outputs — CH 3 Signal Out and Aux Trigger Out 4--72.............

Check Probe Compensation Output 4--75..............................

Serial Trigger Checks (Option ST Only) 4--79..............................

Check Serial Trigger Baud Rate Limits and Word Recognizer

Position Accuracy 4--79.....................................

Check Serial Trigger Clock Recovery Range 4--86.......................

Sine Wave Generator Leveling Procedure 4--90.............................

Table of Contents

TDS6000 Series Service Manual iii

Adjustment Procedure

Adjustment Procedures 5--1.....................................

Adjustment Interval 5--1...........................................

Adjustment After Repair 5--1.......................................

Maintenance

Preventing ESD 6--1.................................................

Inspection and Cleaning 6--2...........................................

General Care 6--2................................................

Interior Cleaning 6--2.............................................

Exterior Cleaning 6--2............................................

Removal and Installation Procedures 6--7.........................

Preparation 6--7.....................................................

Procedures for External Modules 6--9....................................

Procedures for Modules 6--21...........................................

Troubleshooting 6--53...........................................

Service Level 6--53...................................................

Check for Common Problems 6--53......................................

Equipment Required 6--55..............................................

Fault Isolation Procedure 6--55..........................................

PPC and NLX PC Diagnostics 6--60......................................

Software Updates 6--63................................................

After Repair 6--63....................................................

BIOS Error Messages (Bali NLX) 6--64...................................

BIOS Error Messages (Radisys NLX) 6--65................................

BIOS Beep Codes (Bali NLX) 6--68......................................

BIOS Beep Codes (Radisys NLX) 6--69...................................

Dip Switch Controls 6--69..............................................

Diagnostic LED 6--70.................................................

Troubleshooting Using Reset Circuits 6--72................................

Installing the Processor Board Serial Number 6--74..........................

Update/Restore the NLX Board CMOS 6--75...............................

Installing an Authorization Key 6--75.....................................

Hard Disk Drive Maintenance 6--75......................................

Repackaging Instructions 6--77...................................

Packaging 6--77......................................................

Shipping to the Service Center 6--77......................................

Options

Accessories 7--1.....................................................

Options 7--3........................................................

Table of Contents

iv TDS6000 Series Service Manual

Electrical Parts List

Diagrams

Symbols 9--1.......................................................

Mechanical Parts List

Parts Ordering Information 10--1.........................................

Module Servicing 10--1............................................

Using the Replaceable Parts List 10--2....................................

Abbreviations 10--2...............................................

Mfr. Code to Manufacturer Cross Index 10--2...........................

Table of Contents

TDS6000 Series Service Manual v

List of Figures

Figure 2--1: Locations of peripheral connectors on rear panel 2--3.....

Figure 2--2: Line fuse and power cord connector locations,

rear panel 2--4.............................................

Figure 2--3: On/Standby switch location 2--5.......................

Figure 4--1: Toolbar and menu bar 4--3...........................

Figure 4--2: Universal test hookup for functional tests -- CH 1

shown 4--8................................................

Figure 4--3: Universal test hookup for functional tests -- CH 1

shown 4--9................................................

Figure 4--4: Channel button location 4--9..........................

Figure 4--5: Setup for time base test 4--11...........................

Figure 4--6: Setup for trigger test 4--13.............................

Figure 4--7: Setup for the file system test 4--15.......................

Figure 4--8: Initial test hookup 4--30...............................

Figure 4--9: Measurement of DC accuracy at maximum

offset and position 4--32......................................

Figure 4--10: Initial test hookup 4--34..............................

Figure 4--11: Measurement of offset accuracy 4--36...................

Figure 4--12: Initial test hookup 4--38..............................

Figure 4--13: Check of maximum input voltage 4--40.................

Figure 4--14: Initial test hookup 4--42..............................

Figure 4--15: Measurement of analog bandwidth 4--44................

Figure 4--16: Initial test hookup 4--47..............................

Figure 4--17: Measurement of channel delay 4--48...................

Figure 4--18: Initial test hookup 4--50..............................

Figure 4--19: Initial test hookup 4--54..............................

Figure 4--20: Initial test hookup 4--56..............................

Figure 4--21: Initial test hookup 4--57..............................

Figure 4--22: Final test hookup 4--58...............................

Figure 4--23: Delta time accuracy test hookup 4--60..................

Figure 4--24: Initial test hookup 4--64..............................

Figure 4--25: Measurement of time accuracy for pulse and

glitch triggering 4--65........................................

Figure 4--26: Initial test hookup 4--67..............................

Table of Contents

vi TDS6000 Series Service Manual

Figure 4--27: Measurement of trigger sensitivity -- 50 MHz

results shown 4--69..........................................

Figure 4--28: Initial test hookup 4--72..............................

Figure 4--29: Measurement of trigger out limits 4--74.................

Figure 4--30: Initial test hookup 4--75..............................

Figure 4--31: Measurement of probe compensator frequency 4--76......

Figure 4--32: Subsequent test hookup 4--77.........................

Figure 4--33: Measurement of probe compensator amplitude 4--78......

Figure 4--34: Initial test hookup 4--79..............................

Figure 4--35: Isolated 0 triggering 4--81............................

Figure 4--36: Isolated 1 triggering 4--83............................

Figure 4--37: N modulo 3 triggering 4--85...........................

Figure 4--38: Initial test hookup 4--86..............................

Figure 4--39: Clock recovery 4--89.................................

Figure 4--40: Sine wave generator leveling equipment setup 4--90......

Figure 4--41: Equipment setup for maximum amplitude 4--92.........

Figure 6--1: Knob removal 6--9..................................

Figure 6--2: Trim removal 6--11...................................

Figure 6--3: Bottom cover removal 6--12............................

Figure 6--4: Cover removal 6--14..................................

Figure 6--5: Cover removal 6--15..................................

Figure 6--6: Line fuse and line cord removal 6--17...................

Figure 6--7: External modules 6--18................................

Figure 6--8: Internal modules 6--19................................

Figure 6--9: Front-panel assembly removal 6--22.....................

Figure 6--10: J1 flex cable connector removal 6--23...................

Figure 6--11: Front panel board and keyboard removal 6--24..........

Figure 6--12: Display removal 6--26................................

Figure 6--13: Touch panel and LCD assembly removal 6--27...........

Figure 6--14: J4 cable clamp detail 6--28............................

Figure 6--15: Display adaptor board removal 6--28...................

Figure 6--16: Power flex circuit removal 6--30.......................

Figure 6--17: Floppy disk drive removal 6--31.......................

Figure 6--18: Hard disk drive removal 6--33.........................

Figure 6--19: Removing the hard disk drive from the cartridge 6--33....

Figure 6--20: CDROM--RW and bracket removal 6--35...............

Figure 6--21: Fan assembly removal 6--36...........................

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