Tektronix WVR610A User manual

Service Manual
WVR610A & WVR611A
Waveform Rasterizers
071-1243-01
This document applies to firmware version 1.1X
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

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
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 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.

WVR610A & WVR611A Waveform Rasterizers Service Manual i
Table of Contents
General Safety Summary xi...................................
Service Safety Summary xiii....................................
Preface xv...................................................
Manual Structure xv................................................
Manual Conventions xv..............................................
Related Documents xvi...............................................
Related Reference Documents xvi......................................
Contacting Tektronix xvii.............................................
Specifications
Electrical Specifications 1--1...........................................
Physical Specifications 1--25............................................
Certifications and Compliances 1--27.....................................
Operating Information
Operating Basics 2--1..........................................
Overview 2--1.......................................................
Three Levels of Control 2--3...........................................
Tile Settings 2--4....................................................
Pop-up Menus 2--8...............................................
Configuration Menu 2--10..........................................
Status Bar 2--10......................................................
Waveform Display 2--12...............................................
Vector Display 2--13..................................................
Measure Display 2--15.................................................
Picture Display 2--16..................................................
Audio Display 2--16...................................................
Above-bar Warning Messages 2--18...................................
In-bar Warning Messages 2--18......................................
Other Display 2--19...................................................
Gamut Display 2--19..................................................
Status Display 2--21...................................................
Navigating Menus 2--22................................................
Setting the Active Tile 2--23............................................
Displaying a Tile in Full-screen Mode 2--25................................
Selecting a Measurement for the Active Tile 2--26..........................
Using Online Help 2--27...............................................
Rear Panel Connections 2--28...........................................
Changing Instrument Settings 2--37...............................
SDI Input Settings 2--37...............................................
Composite Input Settings 2--38..........................................
External Reference Setting 2--39.........................................
Analog Audio Displays Settings 2--40....................................
Digital Audio Displays Settings 2--44.....................................

Table of Contents
ii WVR610A & WVR611A Waveform Rasterizers Service Manual
Audio Inputs/Outputs 2--48.............................................
Setting Up AES B Connectors as Outputs 2--53.........................
Gamut Thresholds Menu 2--54..........................................
Display Settings Menu 2--57............................................
LTC / VITC Menu 2--60...............................................
Readouts Menu 2--60..................................................
Graticules Menu 2--61.................................................
Network Settings 2--62................................................
Utilities Menu 2--70...................................................
Updating the Waveform Rasterizer Firmware 2--79..................
PC System Requirements 2--79..........................................
Firmware Package Download 2--80.......................................
Preparing for the System Upgrade 2--80...................................
Installing the Firmware 2--80...........................................
Upgrading Multiple Instruments 2--82....................................
Verifying the Upgrade 2--83............................................
Theory of Operation
Serial Digital Input 3--2...............................................
Composite Input 3--2.................................................
Reference Input 3--2.................................................
Digital Waveform Processing Engine 3--2................................
Rasterizing Engine 3--2...............................................
Recursion and Picture Processing Engine 3--3.............................
Control Processor 3--3................................................
Front Panel 3--3.....................................................
LTC and VITC Decoder 3--3...........................................
Audio Option Board 3--4..............................................
Audio Processing 3--4................................................
Audio Inputs 3--4....................................................
Audio Outputs 3--5...................................................
Fault and Fan Block Diagram 3--5......................................
Power Supply and Distribution 3--6.....................................
Performance Verification
Incoming Inspection Procedures 4--15....................................
Video and General Performance Verification Procedures 4--26.................
Audio Performance Verification Procedures 4--41...........................
Adjustment Procedures
Adjustments 5--1..............................................

Table of Contents
WVR610A & WVR611A Waveform Rasterizers Service Manual iii
Maintenance
General Maintenance 6--1......................................
Preventing ESD 6--1.................................................
Inspection and Cleaning 6--2...........................................
General Care 6--2................................................
Interior Cleaning 6--2.............................................
Exterior Cleaning 6--2............................................
Troubleshooting 6--5.................................................
Detailed Troubleshooting Procedures 6--9................................
Repackaging Instructions 6--21...................................
Packaging 6--21......................................................
Shipping the Service Center 6--21........................................
Options
Options and Accessories 7--1....................................
Options 7--1........................................................
Standard Accessories 7--2.............................................
Optional Accessories 7--3.............................................
Diagrams
Diagrams 8--1.................................................
Replaceable Electrical Parts
Electrical Parts List 9--1........................................
Replaceable Mechanical Parts
Replaceable Parts 10--1..........................................
Parts Ordering Information 10--1.........................................
Using the Replaceable Parts List 10--2....................................

Table of Contents
iv WVR610A & WVR611A Waveform Rasterizers Service Manual
List of Figures
Figure 2--1: A display with all four tiles visible 2--1..................
Figure 2--2: A tile in full-screen mode 2--2.........................
Figure 2--3: A display with multiple Status screens 2--2..............
Figure 2--4: A display with multiple WFM displays 2--3..............
Figure 2--5: Display select buttons and fault indicator 2--4...........
Figure 2--6: Measure select buttons 2--5...........................
Figure 2--7: Gain buttons 2--5...................................
Figure 2--8: Sweep buttons 2--6..................................
Figure 2--9: Presets buttons 2--6..................................
Figure 2--10: Input select buttons 2--7.............................
Figure 2--11: General function buttons 2--7........................
Figure 2--12: Arrow keys and SEL button 2--7......................
Figure 2--13: Control knobs 2--8.................................
Figure 2--14: The WFM pop-up menu with display mode set
to YPbPr 2--9..............................................
Figure 2--15: The WFM pop-up menu display mode set to RGB 2--9...
Figure 2--16: The configuration menu 2--10.........................
Figure 2--17: Elements of the status bar 2--11.......................
Figure 2--18: Waveform display elements 2--13......................
Figure 2--19: Vector display elements 2--14..........................
Figure 2--20: Timing display 2--15.................................
Figure 2--21: Picture display 2--16.................................
Figure 2--22: Audio display with phase display 2--17.................
Figure 2--23: Other display elements 2--19..........................
Figure 2--24: Gamut display elements 2--20.........................
Figure 2--25: A STATUS display in all four tiles 2--21.................
Figure 2--26: Panes in a menu 2--22................................
Figure 2--27: Knob icon 2--23.....................................
Figure 2--28: Tile positions in the display 2--23......................
Figure 2--29: Identifying the active tile 2--24........................
Figure 2--30: Press a numbered button to set the active tile 2--24.......
Figure 2--31: Full-screen mode 2--25...............................
Figure 2--32: Measure select buttons 2--26..........................
Figure 2--33: The three sections of the online help 2--27...............
Figure 2--34: Rear-panel connectors 2--28..........................

Table of Contents
WVR610A & WVR611A Waveform Rasterizers Service Manual v
Figure 2--35: Analog I/O connector pin diagram 2--30................
Figure 2--36: XGA output connector pin diagram 2--32...............
Figure 2--37: REMOTE connector pin diagram 2--33.................
Figure 2--38: RJ-45 Ethernet connector 2--34........................
Figure 2--39: Mapping inputs to bars 2--50.........................
Figure 2--40: Analog out map 2--51................................
Figure 2--41: Configuring audio inputs 2--51........................
Figure 2--42: Bar to input mapping 2--52...........................
Figure 2--43: Mapping analog output 2--52.........................
Figure 2--44: Video to audio mapping 2--53.........................
Figure 2--45: Configuring AES B as an output 2--54..................
Figure 2--46: Setting IP address 2--63..............................
Figure 2--47: Setting subnet mask 2--64............................
Figure 2--48: Setting the instrument name 2--66.....................
Figure 2--49: Setting the SNMP public community string 2--67.........
Figure 2--50: Setting the SNMP private community string 2--68........
Figure 2--51: Setting the SNMP trap address 2--69...................
Figure 2--52: Viewing hw/sw version numbers 2--71..................
Figure 2--53: Setting the internal clock 2--72........................
Figure 2--54: CPU color palette 2--73..............................
Figure 2--55: Power-up diagnostics passed 2--74.....................
Figure 2--56: Advanced diagnostics dialog box 2--75..................
Figure 2--57: Diagnostics log 2--76.................................
Figure 2--58: Select continue to begin the firmware upgrade
process 2--80...............................................
Figure 2--59: Transfer utility window 2--81.........................
Figure 2--60: Done appears when the software upgrade completes 2--82.
Figure 4--1: Wiring diagram for LTC input cable 4--34...............
Figure 8--1: Main board indicator LED, connector, and test point
locations 8--1..............................................
Figure 8--2: Audio board component side indicator LED, location 8--2.
Figure 8--3: Audio board back side indicator LED and test point
locations 8--3..............................................
Figure 8--4: Front panel board indicator LED locations
(viewedfrombackside) 8--4.................................
Figure 8--5: High-level signal flow block diagram 8--5...............
Figure 8--6: High-level fault and fan block diagram 8--6.............

Table of Contents
vi WVR610A & WVR611A Waveform Rasterizers Service Manual
Figure 10--1: Replaceable mechanical parts 10--11....................
Figure 10--2: Replaceable cables, connectors, and
mechanical parts 10--11.......................................
Figure 10--3: Audio option boards and connectors 10--12...............
Figure 10--4: Main board replaceable components and connectors 10--13.
Figure 10--5: Audio board component-side components and
connectors 10--14............................................
Figure 10--6: Audio board back-side components 10--15...............
Figure 10--7: Analog audio breakout cable assembly 10--16.............

Table of Contents
WVR610A & WVR611A Waveform Rasterizers Service Manual vii
List of Tables
Table 1--1: SDI Input waveform vertical characteristics 1--1.........
Table 1--2: Serial digital video (SDI inputs A and B) interface
physical layer characteristics 1--2............................
Table 1--3: Composite analog input waveform vertical
characteristics 1--2.........................................
Table 1--4: Composite analog inputs A and B physical layer
characteristics 1--3.........................................
Table 1--5: External reference characteristics 1--5..................
Table 1--6: Waveform sweep (horizontal) characteristics 1--6.........
Table 1--7: Waveform mode filter characteristics 1--7...............
Table 1--8: Component vector mode 1--7..........................
Table 1--9: Composite vector mode characteristics 1--8..............
Table 1--10: Lightning and Diamond modes display 1--8.............
Table 1--11: RGB gamut error indication (Diamond displays) 1--9....
Table 1--12: Arrowhead mode (NTSC/PAL composite limit display
of component input mode) 1--9...............................
Table 1--13: Program error alarms and “Background
Measurement Alarms” 1--10..................................
Table 1--14: Miscellaneous measurements and displays 1--11..........
Table 1--15: Picture display mode 1--11............................
Table 1--16: Measure display 1--12................................
Table 1--17: Other display 1--12..................................
Table 1--18: Audio bar displays 1--13..............................
Table 1--19: Audio bar and lissajous displays 1--15..................
Table 1--20: Audio text displays 1--16..............................
Table 1--21: AES audio inputs 1--16...............................
Table 1--22: AES audio outputs 1--17..............................
Table 1--23: Embedded audio extraction and monitoring on
status bar 1--18.............................................
Table 1--24: Analog audio inputs 1--19.............................
Table 1--25: Analog audio outputs 1--20............................
Table 1--26: Ground closure Remote/LTC input 1--22................
Table 1--27: Ethernet characteristics 1--22..........................
Table 1--28: XGA Picture monitor output 1--22.....................
Table 1--29: General characteristics 1--23...........................
Table 1--30: Power supply 1--24..................................

Table of Contents
viii WVR610A & WVR611A Waveform Rasterizers Service Manual
Table 1--31: Physical characteristics 1--25..........................
Table 1--32: Environmental performance 1--25......................
Table 1--33: Certifications and compliances 1--27....................
Table 2--1: Status bar element descriptions 2--11....................
Table 2--2: Status bar icons 2--12.................................
Table 2--3: Waveform display element descriptions 2--13.............
Table 2--4: Vector/Lightning display element descriptions 2--14........
Table 2--5: Timing display element descriptions 2--15................
Table 2--6: Audio display element descriptions 2--17.................
Table 2--7: Other display element descriptions 2--20.................
Table 2--8: Waveform display element descriptions 2--21.............
Table 2--9: AES Connectors 2--29.................................
Table 2--10: Analog I/O connector pin-out 2--30.....................
Table 2--11: Channel pair to analog input mapping 2--31.............
Table 2--12: XGA connector pin-out 2--32..........................
Table 2--13: REMOTE connector pin-out 2--33.....................
Table 2--14: Ethernet connector LEDs 2--34........................
Table 2--15: Ethernet connector pin-out 2--35.......................
Table 2--16: SDI input settings 2--37...............................
Table 2--17: Composite input settings 2--38.........................
Table 2--18: External reference settings 2--40.......................
Table 2--19: Analog Audio display settings 2--41.....................
Table 2--20: Characteristics of meter types 2--43....................
Table 2--21: Digital Audio display settings 2--45.....................
Table 2--22: Audio Inputs and Outputs 2--49.......................
Table 2--23: Gamut thresholds 2--55...............................
Table 2--24: EBU-R103 recommended limits for Gamut and Luma 2--57
Table 2--25: Display settings 2--57.................................
Table 2--26: LTC / VITC settings 2--60............................
Table 2--27: Readouts settings 2--60...............................
Table 2--28: Graticule settings 2--61...............................
Table 2--29: Network settings 2--62................................
Table 2--30: Utilities settings 2--70................................
Table 2--31: Diagnostic log contents 2--76..........................
Table 4--1: Required Test Equipment 4--15.........................
Table 4--2: Required Test Equipment 4--26.........................
Table 4--3: Required Audio Test Equipment 4--41...................

Table of Contents
WVR610A & WVR611A Waveform Rasterizers Service Manual ix
Table 6--1: External inspection check list 6--3......................
Table 6--2: Internal inspection check list 6--4......................
Table 6--3: Required Test Equipment 6--5.........................
Table 6--4: Symptoms and causes 6--6............................
Table 6--5: Circuits that can assert faults 6--11......................
Table 6--6: Digital secondary supplies 6--14.........................
Table 6--7: Analog supplies 6--14.................................
Table 6--8: Audio secondary supplies 6--15.........................
Table 7--1: Power cord identification 7--2.........................

Table of Contents
xWVR610A & WVR611A Waveform Rasterizers Service Manual

WVR610A & WVR611A Waveform Rasterizers Service Manual xi
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.
Use Proper Power Cord. Use only the power cord specified for this product and
certified for the country of use.
Connect and Disconnect Properly. Do not connect or disconnect probes or test
leads while they are connected to a voltage source.
Ground the Product. This product is grounded through the grounding conductor
of the power cord. To avoid electric shock, the grounding conductor must be
connected to earth ground. Before making connections to the input or output
terminals of the product, ensure that the product is properly grounded.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
Do not apply a potential to any terminal, including the common terminal, that
exceeds the maximum rating of that terminal.
Powering Off. The power cord provides Mains disconnect.
Replace Batteries Properly. Replace batteries only with the proper type and rating
specified.
Do Not Operate Without Covers. Do not operate this product with covers or panels
removed.
Use Proper Fuse. Use only the fuse type and rating specified for this product.
Avoid Exposed Circuitry. Do not touch exposed connections and components
when power is present.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
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.
ToAvoidFireor
Personal Injury

General Safety Summary
xii WVR610A & WVR611A Waveform Rasterizers Service Manual
Terms in this Manual. These terms may appear in this manual:
WARNING. Warning 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 other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. The following symbols may appear on the product:
CAUTION
Refer to Manual
WARNING
High Voltage
Protective Ground
(Earth) Terminal
Symbols and Terms

WVR610A & WVR611A Waveform Rasterizers Service Manual xiii
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.
Disconnect Power. To avoid electric shock, switch off the instrument power, then
disconnect the power cord from the mains power.
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.

Service Safety Summary
xiv WVR610A & WVR611A Waveform Rasterizers Service Manual

WVR610A & WVR611A Waveform Rasterizers Service Manual xv
Preface
This is the service manual for the WVR610A & WVR611A Waveform Rasteriz-
ers.
Read this preface to learn how this manual is structured, what conventions it
uses, and where you can find other information related to servicing these
products.
Manual Structure
This manual is divided into chapters, which are made up of related subordinate
topics. These topics can be cross referenced as sections.
Be sure to read the introductions to all procedures. These introductions provide
important information needed to do the service correctly, safely, and efficiently.
Manual Conventions
This manual uses certain conventions that you should become familiar with
before attempting service.
The term module refers to a collection of items that are replaceable as a unit. A
module may contain electrical and mechanical assemblies, circuit boards, and
interconnecting cables.
This manual refers to any field-replaceable assembly or mechanical part by its
name or generically as a replaceable part. In general, a replaceable part is any
circuit board or assembly that is listed in the Replaceable Mechanical Parts in
Chapter 10.
Symbols and terms related to safety appear in the General Safety Summary found
at the beginning of this manual.
Be sure to read both the General Safety Summary and Service Safety Summary
before performing any service to this instrument.
Module
Replaceable Parts
Safety

Preface
xvi WVR610A & WVR611A Waveform Rasterizers Service Manual
Related Documents
The following related user documents are available:
HWVR610A & WVR611A Waveform Rasterizers User Manual. This document
provides detailed operating information.
HWVR610A & WVR611A Waveform Rasterizers Release Notes. This document
describes problems or behaviors that you might encounter while using the
waveform rasterizer. This document is provided as a standard accessory
when you order a new instrument. If you upgrade your instrument firmware
from the Tektronix, Inc. website, an updated version of this document is
provided.
Related Reference Documents
The following related reference documents are available at the Tektronix, Inc.
website (www.tektronix.com):
HPreventing Illegal Colors. This application note describes how the Diamond,
Arrowhead, and Lightning displays on the waveform monitor can be used to
help prevent the undesired impact of color gamut violations and to simplify
the assessment of proper gamut compliance.
HUnderstanding Colors and Gamut. This poster provides a large visual
display of how the Diamond, Arrowhead, and Lightning displays on the
waveform monitor can be used to help prevent the undesired impact of color
gamut violations.
HA Guide to Standard and High Definition Digital Measurements. This book
is a primer for understanding the basics for making standard and high-defini-
tion, digital-video measurements.