Tektronix WVR8300 User manual

xx
WVR8200 and WVR8300
Waveform Rasterizers, and
WVR8RFP Remote Front Panel
ZZZ
Service Manual
*P077039400*
077-0394-00

WVR8200 and WVR8300
Waveform Rasterizers, and
WVR8RFP Remote Front Panel
ZZZ
Service Manual
xx
www.tektronix.com
077-0394-00

Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries
or suppliers, and are protected by national copyright laws and international treaty provisions.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication
supersedes that in all previously published material. Specifications and price change privileges reserved.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
In North America, call 1-800-833-9200.
Worldwide, visit www.tektronix.com to find contacts in your area.

Warranty
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1)
year from the date of shipment. If any such 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. Parts, modules and replacement products used by Tektronix for warranty
work may be new or reconditioned to like new performance. All replaced parts, modules and products become
the property of Tektronix.
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 WITH RESPECT TO THE 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.
[W2 – 15AUG04]

Table of Contents
General Safety Summary .......................................................................................... v
Service Safety Summary......................................................................................... vii
Preface.............................................................................................................. ix
Manual Conventions.......................................................................................... ix
Related Manuals .............................................................................................. ix
Introduction
Introduction ....................................................................................................... 1-1
Service Strategy.............................................................................................. 1-1
Specifications................................................................................................. 1-1
Performance Verification.................................................................................... 1-1
Options and Accessories.................................................................................... 1-1
Configurations................................................................................................ 1-1
Hardware Installation........................................................................................ 1-2
Product Upgrade............................................................................................. 1-2
Operating Information....................................................................................... 1-2
Theory of Operation
Theory of Operation.............................................................................................. 2-1
Main Board................................................................................................... 2-3
Front Panel ................................................................................................... 2-4
Composite Input Option CPS............................................................................... 2-4
Audio Options AD and DPE ............................................................................... 2-4
Option EYE/PHY............................................................................................ 2-5
Fan Control................................................................................................... 2-8
Power Supply and Distribution............................................................................. 2-8
Adjustment Procedures
Adjustments....................................................................................................... 3-1
Required Equipment......................................................................................... 3-1
Procedures.................................................................................................... 3-1
Maintenance
General Maintenance............................................................................................. 4-1
Preventing ESD.............................................................................................. 4-1
Inspection and Cleaning..................................................................................... 4-2
Troubleshooting.............................................................................................. 4-4
WVR8200 and WVR8300 Waveform Rasterizers Service Manual i

Table of Contents
Detailed Troubleshooting Procedures ................................................................... 4-10
Repackaging Instructions...................................................................................... 4-22
Packaging................................................................................................... 4-22
Shipping to the Service Center........................................................................... 4-22
Replaceable Parts
Replaceable Parts................................................................................................. 5-1
Parts Ordering Information ................................................................................. 5-1
Using the Replaceable Parts Lists.......................................................................... 5-2
ii WVR8200 and WVR8300 Waveform Rasterizers Service Manual

List of Figures
Figure 2-1: Main block diagram................................................................................ 2-2
Figure 2-2: Option EYE/PHY block diagram................................................................. 2-7
Figure 4-1: Main board indicator LED, connector, and test point locations ............................. 4-19
Figure 4-2: Options AD and DPE Audio board, component side......................................... 4-20
Figure 4-3: Options AD and DPE Audio board back side indicator LED and test point locations.... 4-21
Figure 5-1: Replaceable parts (standard) ...................................................................... 5-5
Figure 5-2: Replaceable parts (standard) ...................................................................... 5-7
Figure 5-3: Replaceable parts (options)........................................................................ 5-9
Figure 5-4: Replaceable parts (WVR8RFP Remote Front Panel)......................................... 5-13
Figure 5-5: Analog audio breakout cable assembly ........................................................ 5-14
WVR8200 and WVR8300 Waveform Rasterizers Service Manual iii

Table of Contents
List of Tables
Table i: Related documentation.................................................................................. ix
Table 4-1: External inspection check list ...................................................................... 4-3
Table 4-2: Internal inspection check list ....................................................................... 4-3
Table 4-3: Required test equipment ............................................................................ 4-6
Table 4-4: Symptoms and causes............................................................................... 4-6
Table 4-5: Main board secondary supplies .................................................................. 4-12
Table 4-6: Audio board secondary supplies ................................................................. 4-13
iv WVR8200 and WVR8300 Waveform Rasterizers Service Manual

General Safety Summary
General SafetySummary
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.
While using this product, you may need to access other parts of a larger system.
Read the safety sections of the other component manuals for warnings and
cautions related to operating the system.
To Avoid Fire or Personal
Injury
Use proper power cord. Use only the power cord specified for this product and
certified for the country of use.
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.
Power disconnect. The power cord disconnects the product from the power source.
Do not block the power cord; it must remain accessible to the user at all times.
Do not operate without covers. Do not operate this product with covers or panels
removed.
Do not operate with suspected failures. If you suspect that there is damage to this
product, have it inspected by qualified service personnel.
Avoid exposed circuitry. Do not touch exposed connections and components when
power is present.
Replace batteries properly. Replace batteries only with the specified type and
rating.
Recharge batteries properly. Recharge batteries for the recommended charge cycle
only.
Use proper fuse. Use only the fuse type and rating specified for this product.
Wear eye protection. Wear eye protection if exposure to high-intensity rays or
laser radiation exists.
WVR8200 and WVR8300 Waveform Rasterizers Service Manual v

General Safety Summary
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.
TermsinThisManual 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.
Symbols and 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.
The following symbol(s) may appear on the product:
vi WVR8200 and WVR8300 Waveform Rasterizers Service Manual

Service Safety Summary
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.
UseCareWhenServicingWithPowerOn. Dangerousvoltagesorcurrentsmay
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.
WVR8200 and WVR8300 Waveform Rasterizers Service Manual vii

Service Safety Summary
viii WVR8200 and WVR8300 Waveform Rasterizers Service Manual

Preface
This manual supports servicing to the module level of the WVR8200 and
WVR8300 Waveform Rasterizers, which rasterize video signals for XGA
display. The rasterizer finds use as a monitor for broadcasting, production, and
post-production environments.
This manual explains how to troubleshoot and service the rasterizer to the module
level. The manual is divided into the following sections:
Introduction provides a general product description and tells where to find
product installation information.
Theory of Operation provides descriptions of the rasterizer modules.
Maintenance tells you how to troubleshoot the product to the module level
and how to handle the modules.
Replaceable Parts illustrates the replaceable modules and mechanical parts
and provides replacement part numbers.
Manual Conventions
The following terms and conventions are used throughout this manual:
The terms "rasterizer" and "instrument" are is used interchangeably to refer to
the WVR8200 and WVR8300 Waveform Rasterizers.
Where information is model-specific to either the WVR8200 or
WVR8300 model, it is indicated as such. (See page 1-1, Configurations.)
Related Manuals
This manual assumes you have access to the following manuals when servicing
this product. These manuals ship with the product and are also downloadable
from the Tektronix Web site.
Table i: Related documentation
Item Purpose Location
WVR8200 and WVR8300 Waveform
Rasterizers User Manual
Operation instructions and explanation
of features
Product Documentation CD
www.tektronix.com/manuals
WVR8200 and WVR8300 Waveform
Rasterizers Installation and Safety
Instructions, English, Japanese,
Simplified Chinese
Basic installation and safety information Printed manual Product
Product Documentation CD
www.tektronix.com/manuals
Online Help In depth operation and UI help In the instrument: press the HELP button
on the front panel
WVR8200 and WVR8300 Waveform Rasterizers Service Manual ix

Preface
Table i: Related documentation (cont.)
Item Purpose Location
WVR8200 and WVR8300 Waveform
Rasterizers Specifications and
Performance Verification
Procedure for checking performance and
list of specifications
Product Documentation CD
www.tektronix.com/manuals
WVR and WFM Series Master Information
Base (MIB)
Programmers command reference for
controlling the waveform rasterizer
Product Documentation CD
www.tektronix.com/manuals
x WVR8200 and WVR8300 Waveform Rasterizers Service Manual

Introduction

Introduction
The WVR8200 and WVR8300 Waveform Rasterizers rasterize serial digital video
and composite video signals (depending on installed options) for an DVI-I display,
providing a new standard of display quality and flexibility.
Service Strategy
These products are repaired to the module level at selected Tektronix service
centers. Repair includes functional verification of the product.
Specifications
The specifications for this product are found in the WVR8200 and
WVR8300 Waveform Rasterizers Specifications and Performance Verification
Technical Reference located on the Product Documentation CD that ships with
the product and is published on the Tektronix Web site. (See page ix, Related
Manuals.)
Performance Verification
The performance verification procedures for this product are found in the
WVR8200 and WVR8300 Waveform Rasterizers Specifications and Performance
Verification Technical Reference located on the Product Documentation CD that
ships with the product and is published on the Tektronix Web site. (See page ix,
Related Manuals.)
Options and Accessories
The lists of options and accessories for this product are found in the WVR8200
and WVR8300 Waveform Rasterizers User Manual located on the Product
Documentation CD that ships with the product and is published on the Tektronix
Website. (Seepageix,Related Manuals.)
Configurations
The base instrument accepts an optional module for Analog Composite inputs
(Option CPS). Other options add audio capability, Eye diagram and physical layer
analysis, jitter analysis capability, and advanced gamut monitoring capability.
For a complete list of options, refer to the WVR8200 and WVR8300 Waveform
Rasterizers User Manual.
WVR8200 and WVR8300 Waveform Rasterizers Service Manual 1–1

Introduction
WVR8RFP A Remote Front Panel (WVR8RFP) is available as a companion product. When
connected, both front panels are fully operational.
Hardware Installation
This product is to be rack mounted. For installation instructions, refer to
the WVR8200 and WVR8300 Waveform Rasterizers Installation and Safety
Instructions.
Product Upgrade
Hardware and software upgrades are available for all products, either as a
field upgrade kit or as a free software download from the Tektronix Web site.
The WVR8200 and WVR8300 Waveform Rasterizers User Manual includes
instructions for updating product firmware.
Operating Information
For basic operating instructions, refer to the WVR8200 and WVR8300 Waveform
Rasterizers User Manual. For more detailed reference information, refer to the
instrument Online help. (Press the Help button on the instrument front panel and
then use the General knob, up/down arrow keys, and SEL button to navigate
through the topics.)
Power-On Procedure 1. Connect the supplied power cord to the rear-panel power connector.
2. Press the power button on the instrument front-panel and the instrument will
turn on.
3. Wait for the system to complete its power-on self-tests.
NOTE. The Standby button on the front-panel does not disconnect mains power.
Only the power cord at the rear of the product can disconnect mains power.
Power-Down Procedure 1. Press the power button on the instrument front-panel to turn the instrument off.
2. To remove power completely, disconnect the power cord from the rear-panel
of the instrument.
1–2 WVR8200 and WVR8300 Waveform Rasterizers Service Manual