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1. Ross Video Limited VEA 7007A Video Equalizing Amplifier User Manual NYNO3 030IA ru o gt nc ROSS Ross Part Number 7007AD 004 Rd Cool Practical Technology VEA 7007A e Video Equalizing Amplifier User Manual Ross Part Number 7007AD 004 Document Issue 01 Printing Date January 26 2004 Printed in Canada Software Issue N A The information contained in this User Manual is subject to change without notice or obligation Copyright O 2004 Ross Video Limited All rights reserved Contents of this publication may not be reproduced in any form without the written permission of Ross Video Limited Reproduction or reverse engineering of copyrighted software is prohibited Notice The material in this manual is furnished for informational use only It is subject to change without notice and should not be construed as a commitment by Ross Video Limited Ross Video Limited assumes no responsibility or liability for errors or inaccuracies that may appear in this manual Trademarks ROSS is a registered trademark of Ross Video Limited e Ross ROSS ROSS and MLE are registered trademarks of Ross Video Limited e All other product names and any registered and unregistered trademarks mentioned in this manual are used for identification purposes only and remain the exclusive property of their respective owners Important Regulatory and Safety Notices to Service Personnel Please review the following mater
2. and operation of your VEA 7007A please contact us at the numbers listed on the last page of this publication Our technical support staff is always available for consultation training or service VEA 7007A User Manual Iss 01 Introduction e 1 1 Overview The RossGear VEA 7007A Video Equalizing Amplifier provides remarkable value and excellent performance in a basic equalizing amplifier for video and AES audio It is ideally suited for distribution where the source signal is of good quality and does not require clamping correction The VEA 7007A precisely and easily equalizes your choice of three popular coaxial cable types Belden 8281 1694 or 1505 This 3 cable type selection ability is achieved to a level of accuracy never before obtained in a single amplifier All other amplifiers on the market are designed primarily for one type of cable and usually achieve mediocre results with other cable types or require complex and time consuming adjustment procedures During installation the setting of a single adjustment is all that is needed to obtain unparalleled equalization accuracy thanks to very accurate factory calibration The need to use elaborate frequency response measuring equipment in the field is eliminated Surface Mount Technology has been used in the manufacture of this card to further eliminate the need for field adjustments The VEA 7007A eliminates normal distribution problems such as cable high frequency loss and ground lo
3. cae Cable Type Selectionz assinaram illa Board Installation Cable Comnections errar Gain and Equalization Setup Specifications In This Chapter aa VEA 7007A Technical Specifications Service Information In This Chapter scenes ob Liliana Troubleshooting Checklist ia Warranty and Repair Policy ia Ordering Information In This Chapters racrod iena VEA 7007A Video DA and Related Products VEA 7007A User Manual Iss 01 Contents e i ii e Contents VEA 7007A User Manual Iss 01 Introduction In This Chapter This chapter contains the following information sections e A Word of Thanks e Overview e Functional Block Diagram e Features e Documentation Terms A Word of Thanks Congratulations on choosing the Ross Video VEA 7007A Video Equalizing Amplifier The VEA 7007A is part of a full line of Analog Products within the RossGear Terminal Equipment family of analog and digital products backed by Ross Video s experience in engineering and design expertise since 1974 You will be pleased at how easily your new VEA 7007A fits into your overall working environment Equally pleasing is the product quality reliability and functionality Thank you for joining the worldwide group of satisfied Ross Video customers Should you have a question pertaining to the installation
4. Power Check Check the power indicator LED on the distribution frame front panel for the presence of power If the power LED is not illuminated verify that the power cable is connected to a power source and that power is available at the power main Confirm that the power supplies are fully seated in their slots If the power LED is still not illuminated replace the power supply with one that is verified to work Reseat the Card in the Frame Check Control Settings Refer to the Installation and Operation sections of the manual and verify all user components Input Signal Status Verify that source equipment is operating correctly and that a valid signal is being supplied Output Signal Path Verify that destination equipment is operating correctly and receiving a valid signal Module Exchange Exchanging a suspect module with a module that is known to be working correctly is an efficient method for localizing problems to individual modules Service Information e 4 1 Warranty and Repair Policy The RossGear VEA 7007A is warranted to be free of any defect with respect to performance quality reliability and workmanship for a period of FIVE 5 years from the date of shipment from our factory In the event that your RossGear VEA 7007A proves to be defective in any way during this warranty period Ross Video Limited reserves the right to repair or replace this piece of equipment with a unit of equal or superior performance
5. ain Stability lt 0 1 per 10 C Frequency Response 0 02dB to 10MHz cable EQ 0 ft Bandwidth 3dB 36MHz ee E lizati Response Accuracy 0 02dB to 10MHz 0 1000 0 305m quaiizaton for all supported cable types typically 0 7dB 20MHz Power Total Consumption 2 34W Specifications are subject to change without notification 3 2 e Specifications VEA 7007A User Manual Iss 01 Service Information In This Chapter This chapter contains the following sections Troubleshooting Checklist Warranty and Repair Policy Troubleshooting Checklist Routine maintenance to this RossGear product is not required In the event of problems with your VEA 7007A the following basic troubleshooting checklist may help identify the source of the problem If the module still does not appear to be working properly after checking all possible causes please contact your Ross Video products distributor or the Ross Video Technical Support department at the numbers listed under the Contact Us section at the end of this manual Ross Video Ltd is committed to providing a superior customer experience please contact us with any questions you may have about your VEA 7007A 1 VEA 7007A User Manual Iss 01 Visual Review Performing a quick visual check may reveal many problems such as connectors not properly seated or loose cables Check the module the frame and any associated peripheral equipment for signs of trouble
6. c discharge precautions as described in the following note Static discharge can cause serious damage to sensitive semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and when wearing Caution Unpacking synthetic fiber clothing Always exercise proper grounding precautions when working on circuit boards and related equipment Unpack each VEA 7007A card you received from the shipping container and check the contents against the packing list to ensure that all items are included If any items are missing or damaged contact your sales representative or Ross Video directly VEA 7007A User Manual Iss 01 Installation and Setup e 2 1 Cable Type Selection Use the following figure card labeling and discussions to set up VEA 7007A cable type selection Jumpers HU ei cme o o 1000 FT OPERA ave o m o m o z QO gt ES D D a o LT ei EQUALIZE o a J iy di JP6 amp JP7 Cable Type Selection re i 5 we Ma 7007 002 ss 0 Figure 2 VEA 7007A Jumper Locations Set jumpers JP6 and JP7 to select the input cable type being equalized The two jumpers must both be positioned at the same selections Belden 8281 1694 or 1505 For other cable types choose the closest matching cable type from these three selections Board Installation Use the following steps to install the VEA 7007A cards i
7. characteristics Should you find that this RossGear VEA 7007A has failed after your warranty period has expired we will repair your defective product for as long as suitable replacement components are available You the owner will bear any labor and or component costs incurred in the repair or refurbishment of said equipment beyond the FIVE 5 year warranty period In no event shall Ross Video Limited be liable for direct indirect special incidental or consequential damages including loss of profits incurred by the use of this product Implied warranties are expressly limited to the duration of this warranty This RossGear VEA 7007A Video Equalizing Amplifier User Manual of our Analog Video Products line provides all pertinent information for the safe installation and operation of your RossGear Product Ross Video policy dictates that all repairs to the RossGear VEA 7007A are to be conducted only by an authorized Ross Video Limited factory representative Therefore any unauthorized attempt to repair this product by anyone other than an authorized Ross Video Limited factory representative will automatically void the warranty Please contact Ross Video Technical Support for more information In Case of Problems Should any problem arise with your RossGear VEA 7007A please contact the Ross Video Technical Support Department Contact information is supplied at the end of this publication A Return Material Authorization number RMA wi
8. e plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for your safety Ifthe provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the device Only use attachments accessories specified by the manufacturer Unplug this apparatus during lightning storms or when not in use for long periods of time Refer all servicing to qualified service personnel Servicing is required when the device has been damaged in any way such as power supply cord or plug is damaged objects have fallen into the device the device has been exposed to rain or moisture the device does not operate normally or has been dropped EMC Notices FCC This equipment has been tested and found to comply with the limits for a class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a re
9. haring of technical specifications between manufacturers and engineers using an XML formatted set of suggested templates to make it easier for engineers to find the technical information they need to plan a smooth project Ross Video Limited is proud to support our broadcast industry engineers by participating in this important initiative NANNA gerisivideo com
10. ial to avoid injury to personnel and to prevent product damage All product servicing should be carried out by qualified service personnel This product may require specific equipment and or installation procedures to be carried out to satisfy certain regulatory compliance requirements The following notices have been included in the manual to call attention to these specific requirements Symbol Meanings gt e Protective Earth Protective Earth PE terminal Provided for connection of the protective earth green or green yellow supply system conductor Caution This CAUTION symbol on the equipment refers you to the Product Manual for additional information This symbol appears next to required information in the manual WARNING PERSONAL INJURY Risk of electrical shock This symbol warns you of a potential shock hazard where HAZARDOUS LIVE voltages greater than 35V peak or 60Vdc may be accessible Failure to comply with these instructions could result in death or serious injury Important Safety Instructions gt Do not use this device near water Hazardous voltages can occur Clean only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other devices including amplifiers that produce heat Do not defeat the safety purposes of the polarized or grounding typ
11. ll be issued to you as well as specific shipping instructions should you wish our factory to repair your RossGear VEA 7007A A temporary replacement module if required will be made available at a nominal charge Any shipping costs incurred will be the responsibility of you the customer All products shipped to you from Ross Video Limited will be shipped collect The Ross Video Technical Support department will continue to provide advice on any product manufactured by Ross Video Limited beyond the warranty period without charge for the life of this equipment 4 2 e Service Information VEA 7007A User Manual Iss 01 Ordering Information In This Chapter This chapter contains ordering information for the VEA 7007A and related products VEA 7007A Video DA and Related Products Standard Equipment e VEA 7007A Video Equalizing Amplifier Optional Equipment e 7007AD 004 Video Equalizing Amplifier User Manual additional User Manual e VFR 7214 Video Products Frame and Power Supply PS 7103 1 RU holds 4 modules includes 1 power supply e VFR 7210 Video Products Frame and Power Supply PS 7103 2 RU holds 10 modules includes 1 power supply e AVFR 7854C Analog Products Frame and Power Supply PS 7103 1RU holds 2 audio and 2 video modules includes 1 power supply e AVFR 7855C Analog Products Frame and Power Supply PS 7103 2RU holds 5 audio and 5 video modules includes 1 power supply e PS 7103 Power Supply 85 250 Volt
12. n a RossGear 7200 series Video or 7850 series A V distribution frame 1 Refer to the User Manual of the RossGear frame to ensure that the frame is properly installed according to instructions If this module is to be installed in any compatible frame other than a Ross Video product refer to the frame manufacturer s manual for specific instructions Please note that heat and power distribution requirements within a frame may dictate specific slot placement of cards Cards with many heat producing components should be arranged to avoid areas of excess heat build up particularly in frames using convectional cooling After selecting the desired frame installation slot hold the VEA 7007A card by the edges and carefully align the card edges with the slots in the frame Then fully insert the card into the frame until the rear connection plug is properly seated VEA 7007A User Manual Iss 01 2 2 e Installation and Setup Cable Connections The following diagram provides instruction for connecting input and output coax cables to the VEA 7007A when mounted in RossGear 7200 series video and 7850 series A V distribution frames It is recommended that all unused outputs be terminated The specifications in this manual are based on all outputs being terminated Video In Loop Video In Loop Video Out 1 Video Out 2 Video Out 3 Video Out 4 Video Out 5 Video Out 6 Video Out 7 Video Out 8 Figure 2 VEA 7007A Cabling Designations f
13. op hum Because the amplifier is DC coupled clamping is not required thus minimizing signal distortion This enables it to deliver eight precision copies of the original signal whether video or AES audio Temperature drift effects are almost non existent due to the use of the latest in analog ASIC s combined with meticulous product engineering The VEA 7007A card is designed for use in the RossGear 7200 series video and 7850 series A V distribution frames The power to each card is individually fused to prevent failure of any one card from affecting the rest of the cards in the frame RossGear analog and digital cards are also designed to fit into distribution frames of some other manufacturers for installation flexibility Ross Video Limited is pleased to offer the flexibility of selectable three cable type precision equalization within a single card slot The VEA 7007A fills a unique role within the full line of RossGear video distribution products engineered to satisfy the highest quality broadcast standards and the most demanding requirements of your facility Functional Block Diagram OUTPUTS 1 CABLE TYPE 2 3 4 EQUALIZER 5 6 EQ 7 O 1000 FT 8 Figure 1 Simplified Block Diagram of VEA 7007A Functions 1 2 e Introduction VEA 7007A User Manual Iss 01 Features The following features are unique to the VEA 7007A Video Equalizing Amplifier e Video or AES audio distribution e Economical cost e Precision equaliza
14. or Rossgear 7200 and 7850 Series Frames Gain and Equalization Setup Use the following figure card labeling and discussions to set up gain and equalization levels with VEA 7007A potentiometers RV7 Gain Ses VEA 7007A vm 1000 FT no dV ONIZINYNOI OJJA O e OPERATE 107 sco e anc 10 3 oo Fo pui fhe es 2 yo F e 5 3 2 esa 7 tac o ata f 2 5 e He SD E eis Mr equ wie Z oly to a fat n acs pa i p N n tn 4 gt BAI as RV8 Equalization Figure 3 VEA 7007A Operational Setting Locations To adjust gain and equalization set RV7 gain and RV8 equalization as required for your system and cable length Use any suitable test signal that would enable the signal gain and subcarrier level to be correctly set e g pulse amp bar or color bar A sweep signal can be used but is not normally necessary VEA 7007A User Manual Iss 01 Installation and Setup e 2 3 2 4 e Installation and Setup VEA 7007A User Manual Iss 01 Specifications In This Chapter This chapter contains the VEA 7007A Technical Specifications table VEA 7007A User Manual Iss 01 Specifications e 3 1 VEA 7007A Technical Specifications Number of Inputs 1 looped Video Input Level 1V p p Number of Outputs Output Impedance 750 Output Return Loss 43dB to SMHz Output Isolation 46dB to SMHz DC Offset lt 30mV Output Loading per termination at 10MHz 0 0075dB Gain Range 3dB G
15. s e EXT 7200 Extender Board module servicing extension e FSB 7110 Frame Support Bracket module servicing extension Your VEA 7007A Video Equalizing Amplifier is part of the RossGear family of products Ross Video Limited offers a full line of RossGear terminal equipment including distribution conversion monitoring synchronizers encoders decoders AES keyers control switchers as well as analog audio and video products VEA 7007A User Manual Iss 01 Ordering Information e 5 1 Contact Us Contact our friendly and professional support representatives for the following PHONE E MAIL POSTAL SERVICE Visit Us Please visit us at our website for Name and address of your local dealer Product information and pricing Technical support Upcoming trade show information General Business Office 613 e 652 e 4886 and Technical Support i After hours Emergency 613 e 652 e 4886 ext 333 Fax 613 e 652 e 4425 General Information solutions rossvideo com Technical Support techsupport rossvideo com 8 John Street Ross Video Limited Iroquois Ontario Canada KOE 1K0 P O Box 880 Ross Video Incorporated Ogdensburg New York USA 13669 0880 Company information Related products and full product lines On line catalog Trade show information News Testimonials EFD compliant product information Engineer Friendly Documentation EFD is a project promoted by SBE to provide a web based platform for the open s
16. sidential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense Changes or modifications to this equipment not expressly approved by Ross Video Ltd could void the user s authority to operate this equipment CE This product has been tested and meets the requirements of the European CE marking directive A copy of the CE Declaration of Conformity can be provided upon request Maintenance User Serviceable Parts Routine maintenance to this RossGear or GearLite product is not required This product contains no user serviceable parts If the module does not appear to be working properly please contact Technical Support using the numbers listed under the Contact Us section on the last page of this manual All RossGear GearLite products are covered by a generous 5 year warranty and will be repaired without charge for materials or labor within this period See the Warranty and Repair Policy section in this manual for details eS Contents Introduction Th This Chapter re ion lia ile saldi AWord of Thanks isa iaia OVEIVIEW nali Aa e e Functional Block Diagram irei Features he IL a a Do DOR da aaa Ea Sts e Documentation Terms Installation and Setup In This Chapter ss st NL RIINA UR tected Static Discharge iocessceShasiseivedaesd ea sueedeenene hese ealecs sexe Unpacking serasa tia nile lesion Maes ti des
17. tion of three selectable coaxial cable types up to 1 000 ft 305m e Easy single control equalization for fast installation e DC coupled for minimum distortion e Eight outputs e Delay matched for precise interchangeability e Superb stability of frequency response and color timing e Differential input for outstanding ground loop hum rejection e Excellent isolation between outputs e Power to each card is individually fused e 5 year transferable warranty Documentation Terms The following terms are used throughout this guide e Frame refers to the VFR 7214 VFR 7210 AVFR 7854C and AVFR 7855C frames that can house the VEA 7007A cards See the respective User Manuals for details e Operator and User both refer to the person who uses the VEA 7007A cards e Board Card and Module all refer to the VEA 7007A cards including all components e System refers to the mix of interconnected analog production and terminal equipment in which the VEA 7007A cards operate VEA 7007A User Manual Iss 01 Introduction e 1 3 1 4 e Introduction VEA 7007A User Manual Iss 01 Installation and Setup In This Chapter This chapter contains the following information sections Static Discharge Unpacking Cable Type Selection Board Installation Cable Connections Gain and Equalization Setup Static Discharge Whenever handling the VEA 7007A cards and other related equipment please observe all stati

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