Tektronix WVR4000 Service Manual
Waveform rasterizers
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Also See for WVR4000:
- User manual (75 pages) ,
- Technical reference (68 pages) ,
- Declassification and security instructions (13 pages)
Related Manuals for Tektronix WVR4000
Summary of Contents for Tektronix WVR4000
- Page 1 WVR4000 and WVR5000 Waveform Rasterizers Service Manual *P077244901* 077-2449-01...
- Page 3 WVR4000 and WVR5000 Waveform Rasterizers Service Manual Revision B 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.
- Page 4 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.
- Page 5 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.
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Page 7: Table Of Contents
Detailed Troubleshooting Procedures ..............Repackaging Instructions ..................Packaging ...................... Shipping to the Service Center ................Removal and Replacement Procedures ................. Preparation..................... Module Removal....................Replaceable Parts ....................Parts Ordering Information .................. Using the Replaceable Parts Lists................WVR4000 and WVR5000 Service Manual... - Page 8 Figure 10: SDI board removal ................... Figure 11: REF board removal................... Figure 12: Rear panel removal................... Figure 13: Fan assembly removal ................Figure 14: Front Panel assembly removal ..............Figure 15: Front Panel board removal ................WVR4000 and WVR5000 Service Manual...
- Page 9 Table 6: Lead-free solder and paste ................Table 7: Tools required for module removal ..............Table 8: Module removal ..................Table 9: Parts list column descriptions................Table 10: Replaceable parts list .................. Table 11: Accessories ..................... WVR4000 and WVR5000 Service Manual...
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Page 10: 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. WVR4000 and WVR5000 Service Manual... - Page 11 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: WVR4000 and WVR5000 Service Manual...
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Page 12: Service Safety Summary
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. WVR4000 and WVR5000 Service Manual... -
Page 13: Preface
Preface This manual supports servicing to the module level of the WVR4000 and WVR5000 Waveform Rasterizers, which process video signals for display on an external XGA monitor. These instruments are used in video and television broadcasting, production, and post-production environments. -
Page 14: Related Manuals
This manual requires you to have access to the following manuals and documentation when servicing this product. The manuals ship with the product on the Product Documentation CD and are also downloadable from the Tektronix Web site. The online help comes installed on the instrument. -
Page 15: Introduction
(See page viii, Related Manuals.) Options and Accessories The lists of options and accessories for this product are found on the WVR4000 and WVR5000 Waveform Rasterizers User Manual provided in the WVR4000 and WVR5000 Product Documentation CD that ships with the product. (See page viii, Related Manuals.) -
Page 16: Hardware Installation
Operating Information For basic operating instructions, refer to the WVR4000 and WVR5000 Waveform Rasterizers User Manual that can be found on the WVR4000 and WVR5000 Product Documentation CD that shipped with this product. For more detailed reference information, refer to the Waveform Rasterizer Online Help. (Press the Help button on the instrument and then use the General knob, up/down arrow keys, and SEL button to navigate through the topics.) -
Page 17: Theory Of Operation
Theory of Operation The WVR4000 and WVR5000 are modular waveform rasterizers. They are configured to accept serial SD digital or HD digital inputs, and digital audio inputs. All models use an external XGA monitor for the display. This theory of operation is mainly based on the High-level Block diagram. (See Figure 1.) -
Page 18: Figure 1: Block Diagram
Theory of Operation Figure 1: Block diagram WVR4000 and WVR5000 Service Manual... -
Page 19: Sdi I/O Board
fixed XGA format, so if the monitor cannot support it, then it is not going to work. Therefore, be certain your monitor works with a known good WVR4000 or WVR5000 before suspecting a failure on the DVI board. WVR4000 and WVR5000 Service Manual... -
Page 20: Main Board
The control processor interfaces to the Ethernet through a dual rate connection. This allows the network connection to run at 10 or 100 MB/s. The control processor has an internal USB 1.1 port that it uses to interface to the USB. WVR4000 and WVR5000 Service Manual... -
Page 21: Front Panel
The embedded audio path starts at the waveform processing engine. First the audio samples are extracted from the serial digital video data and then multiplexed into the AES decoder. They then follow the same path as the AES data. WVR4000 and WVR5000 Service Manual... -
Page 22: Fan Control
A 4 A Polyswitch (self resetting thermal fuse) provides input overcurrent fault protection. Failure of this fuse usually indicates a serious fault within the instrument. The secondary supplies, their tolerances and locations are specified in the Maintenance section. WVR4000 and WVR5000 Service Manual... -
Page 23: Maintenance
5. Handle circuit boards by the edges when possible. 6. Do not slide the circuit boards over any surface. 7. Avoid handling circuit boards in areas that have a floor or work-surface covering capable of generating a static charge. WVR4000 and WVR5000 Service Manual... -
Page 24: Inspection And Cleaning
For the rest of the instrument, use a 75% isopropyl alcohol solution as a cleaner and rinse with deionized water. Before using any other type of cleaner, consult your Tektronix Service Center or representative. Inspection – Exterior. Inspect the outside of the instrument for damage, wear, and missing parts, using the following table as a guide. -
Page 25: Table 1: External Inspection Checklist
Solder connections Cold solder or rosin joints. Resolder joint and clean with isopropyl alcohol. Capacitors Damaged or leaking cases. Remove and replace Corroded solder on leads or damaged circuit board. terminals. WVR4000 and WVR5000 Service Manual... -
Page 26: Troubleshooting
Before performing this or any other procedure in this manual, read the General Safety Summary and Service Safety Summary found at the beginning of this manual. To prevent possible injury to service personnel or damage to electrical components, refer to Preventing ESD. (See page 9.) WVR4000 and WVR5000 Service Manual... -
Page 27: Table 3: Required Test Equipment
1080i 59.94 HD signals required for Tektronix TG2000 with HDVG1 module embedded audio. Varies with instrument WVR5000: for TG2000 (Embedded audio needed) model: WVR4000 (need SD SDI source), 100% color bars WVR5000 (need HD SDI source). 10 bit shallow ramp SDI Matrix Split Field Pathological... -
Page 28: Table 4: Symptoms And Causes
3. Run the functional test. This will exercise a majority of the functions in the instrument and find the problem or the marginal includes the diagnostics. Some parts of the test may not be necessary for all problem areas. condition. WVR4000 and WVR5000 Service Manual... -
Page 29: Detailed Troubleshooting Procedures
LED DS170 on the Backplane board will be lit, the front panel fault light will be lit, and the control circuit voltage at TP10 will drop to near zero volts (normally close to 5 V). WVR4000 and WVR5000 Service Manual... - Page 30 Backplane board test points. (See Figure 2.) The test points are available, with the Backplane board installed, at the location specified. (See Table 5.) NOTE. All test points have a silk-screened box around them for easy identification. WVR4000 and WVR5000 Service Manual...
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Page 31: Table 5: Backplane Board Secondary Supplies
Check the Audio supplies on the Audio board (if an Audio board is installed). The test points are available, with the board installed, at the location specified. (See Figure 2.) WVR4000 and WVR5000 Service Manual... -
Page 32: Figure 2: Backplane Board Power Supply Test Points
(Front Panel or Main) is at fault. 4. If the buttons light as expected and the unit appears to complete booting, but the keys are nonresponsive, check to see if the fault light is on (red LED WVR4000 and WVR5000 Service Manual... - Page 33 The results are shown on screen and also saved to the Diagnostics Log, where they can viewed at a later time. If any failures are indicted, reload the unit software. If that does not resolve the problem, replace the Main board. WVR4000 and WVR5000 Service Manual...
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Page 34: Repackaging Instructions
Type and serial number of the instrument. Reason for returning. A complete description of the service required. Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations. WVR4000 and WVR5000 Service Manual... -
Page 35: Removal And Replacement Procedures
Lead Free Soldering Lead-free manufacturing processes and components were used to make this product. The Tektronix Worldwide Service Organization uses lead-free solder in all repairs. Lead-free solder joints have a satin finish and are not shiny like lead-based solder joints. -
Page 36: Table 6: Lead-Free Solder And Paste
Equipment Required. Most modules in the instrument can be removed with a screwdriver handle mounted with a size T-10 or T-15 Torx® screwdriver tip. All Removal equipment required to remove and reinstall the modules is listed. (See Table 7 on page 23.) WVR4000 and WVR5000 Service Manual... -
Page 37: Module Removal
The Module Removal table describes how the modules are layered and in which order they need to be removed. (See Table 8.) The Replaceable Parts list follows the Module Removal section and corresponds to the numbers in the photographs. (See Table 10.) WVR4000 and WVR5000 Service Manual... -
Page 38: Table 8: Module Removal
Front Front panel Main panel Backplane Main You must first remove assembly board board board board board board chassis Cover Fan assembly Main board Front panel board Backplane board DVI board Main chassis Rear panel WVR4000 and WVR5000 Service Manual... -
Page 39: Figure 3: Wvr Overview
Removal and Replacement Procedures Figure 3: WVR overview WVR4000 and WVR5000 Service Manual... -
Page 40: Figure 4: Cover Removal
To remove the cover, perform the following procedure. (See Figure 4.) 1. Remove the 15 Phillips head screws from the sides, top, and rear of the cover. 2. Lift the cover straight up and remove. Figure 4: Cover removal WVR4000 and WVR5000 Service Manual... -
Page 41: Figure 5: Main Board Removal
J3, J8, J9, J6, J7, and J17 connectors from the main board. 3. Remove the five Torx-15 screws that secure the main board to the main chassis. 4. Remove the main board. Figure 5: Main board removal WVR4000 and WVR5000 Service Manual... -
Page 42: Figure 6: Main Board
Removal and Replacement Procedures Figure 6: Main board WVR4000 and WVR5000 Service Manual... -
Page 43: Figure 7: Backplane Board Removal
3. Detach the cables from the J8, J3, J19, J11, J5, and J1 connectors. 4. Remove the six T-15 screws that attach the board to the main chassis. 5. Remove the backplane board. Figure 7: Backplane board removal WVR4000 and WVR5000 Service Manual... -
Page 44: Figure 8: Backplane Board
Removal and Replacement Procedures Figure 8: Backplane board WVR4000 and WVR5000 Service Manual... - Page 45 4. Remove the two Torx-15 screws from the DVI board. 5. Grasp the DVI board from the two corners farthest from the rear panel and tilt it approximately 45° upwards and then lift it towards you and away from the Remove the DVI board. WVR4000 and WVR5000 Service Manual...
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Page 46: Figure 9: Dvi Board Removal
Removal and Replacement Procedures Figure 9: DVI board removal WVR4000 and WVR5000 Service Manual... -
Page 47: Figure 10: Sdi Board Removal
3. Remove the five washers and five nuts from the SDI BNCs in the rear panel. 4. Remove the two T-15 screws from the SDI board. 5. Remove the SDI board. Figure 10: SDI board removal WVR4000 and WVR5000 Service Manual... -
Page 48: Figure 11: Ref Board Removal
4. Remove the two washers and two nuts from the REF BNCs in the rear panel. 5. Remove the two spacer posts from the REF board. 6. Remove the REF board. Figure 11: REF board removal WVR4000 and WVR5000 Service Manual... - Page 49 3. Remove the two T-8 screws and two nuts from the power connector. 4. Remove the seven nuts and seven washers from the BNC connectors. 5. Remove the two nuts from the GCI connector and the two nuts from DVI connector. 6. Remove the rear panel. WVR4000 and WVR5000 Service Manual...
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Page 50: Figure 12: Rear Panel Removal
Removal and Replacement Procedures Figure 12: Rear panel removal WVR4000 and WVR5000 Service Manual... - Page 51 5. If you want to take the fan assembly apart, remove the four Phillips screws that hold the fan to the fan bracket. 6. If you need to replace the grommet (attached to the fan bracket), do so now. WVR4000 and WVR5000 Service Manual...
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Page 52: Figure 13: Fan Assembly Removal
Removal and Replacement Procedures Figure 13: Fan assembly removal WVR4000 and WVR5000 Service Manual... -
Page 53: Figure 14: Front Panel Assembly Removal
They are located on the bottom corners of the Front Panel bezel. 4. Remove the two Phillips screws from the bottom of the Front Panel. 5. Remove the Front Panel assembly. Figure 14: Front Panel assembly removal WVR4000 and WVR5000 Service Manual... -
Page 54: Figure 15: Front Panel Board Removal
2. Remove the four Torx-10 screws that hold the frame to the Front Panel lexan. 3. Remove the four Torx-15 screws from the Front Panel board. 4. Remove the Front Panel board. Figure 15: Front Panel board removal WVR4000 and WVR5000 Service Manual... -
Page 55: Replaceable Parts
For more information about the module exchange program, call 1-800-833-9200. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix Web site for a list of offices: www.tektronix.com. Module Repair and Return. You may ship your module to us for repair, after which we will return it to you. -
Page 56: Using The Replaceable Parts Lists
Using the Replaceable Parts Lists This section contains lists of the mechanical and/or electrical components that are replaceable for the WVR4000 and WVR5000 Waveform Rasterizers. Use this list to identify and order replacement parts. The following table describes each column in the parts list. - Page 57 211-0722-00 SCREW, MACHINE; 6-32 X 0.250, PNH, 410 SS PASSIVATED, T-15 TORX DR 200-5051-00 COVER,TOP; WVR4000, WVR5000; SAFETY CONTROLLED 211-0105-00 SCREW, MACHINE; 4-40 X 0.188, FLH, 100 DEG, 410 SS PASSIVATED, 311-2607-00 ENCODER; DIGITAL CONTACTING ENCODER, 24 CPR, 24 DETENTS, 6 MM DIA SHAFT, 17.5 MM LENGTH SHAFT, 12 MM BODY SIZE, TOP...
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Page 58: Table 11: Accessories
DOCUMENTATION;PRODUCT CD, WVR4000 & WVR5000 NOTE. This document is packaged with the Quick Start Reference as part number 020-2921-xx. The following documents are included as PDFs on the WVR4000 and WVR5000 Product Documentation CD: 077-2445-xx MANUAL,TECH; USER,ENGLISH, NOT PRINTED, PDF ONLY;WVR4000,WVR5000 077-2446-xx MANUAL, TECH;... - Page 59 Japan 161-0298-00 China 161-0304-00 India 161-0400-00 Optional Accessories 071-2185-xx MANUAL,TECH; ND-NC; TEKTRONIX SUPPLEMENTAL INFORMATION SHEET FOR THE PEOPLES REPUBLIC OF CHINA; CHINA ROHS 077-2449-xx MANUAL,TECH;SERVICE MANUAL, WVR4000/WVR5000, PDF ONLY 011-0163-00 TERM,COAXIAL; BNC,TERMINATION SINGLE ENDED;75 OHM,26DB TO 2GHZ,50 OHM INTERMATABLE 013-0347-00 ADAPTER, CONN;...
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