Kenwood NXR-800 Service Manual

Also see for NEXEDGE NXR-800: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NXR-8002GENERALDocument CopyrightsCopyright 2009 by Kenwood Corporation. All rights re-served.No part of this manual may be reproduced, translated,distributed, or transmitted in any form or by any means,electronic, mechanical, photocopying, recording, or other-wise, for any purpose without the prior written permissionof Kenwood.DisclaimerWhile every precaution has been taken in the preparationof this manual, Kenwood assumes no responsibility for er-rors or omissions. Neither is any liability assumed for dam-ages resulting from the use of the information containedherein. Kenwood reserves the right to make changes to anyproducts herein at any time for improvement purposes.INTRODUCTIONSCOPE OF THIS MANUALThis manual is intended for use by experienced techni-cians familiar with similar types of commercial grade com-mu ni ca tions equipment. It contains all required serviceinfor ma tion for the equipment and is current as of the pub-lication date. Changes which may occur after publicationare covered by either Service Bulletins or Manual Revisions.These are is sued as required.ORDERING REPLACEMENT PARTSWhen ordering replacement parts or equipment informa-tion, the full part identification number should be included.This applies to all parts : components, kits, or chassis. If thepart number is not known, include the chassis or kit numberof which it is a part, and a sufficient description of the re-quired component for proper identification.Firmware CopyrightsThe title to and ownership of copyrights for firmwareembedded in Kenwood product memories are reserved forKenwood Corporation. Any modifying, reverse engineer-ing, copy, reproducing or disclosing on an Internet websiteof the firmware is strictly prohibited without prior writtenconsent of Kenwood Corporation. Furthermore, any resell-ing, assigning or transferring of the firmware is also strictlyprohibited without embedding the firmware in Kenwoodproduct memories.Transceivers containing AMBE+2™ Vocoder:The AMBE+2™ voice coding technology is embedded inthe firmware under the license of Digital Voice Systems, Inc.PERSONAL SAFETYThe following precautions are recommended for personalsafety :• DO NOT transmit if someone is within two feet (0.6 me-ter) of the antenna.• DO NOT transmit until all RF connectors are secure andany open connectors are properly terminated.• SHUT OFF this equipment when near electrical blastingcaps or while in an explosive atmosphere.• All equipment should be properly grounded before pow-erup for safe operation.• This equipment should be serviced by only qualified tech-nicians.SERVICEThis transceiver is designed for easy servicing. Refer tothe schematic diagrams, printed circuit board views, andalign ment procedures contained within.Service Manual ListTitle Parts number Remarks MarketcodeFinal unitnumberControl unitnumberControl unitnumberRX unitnumberTX unitnumberNXR-800 B51-8795-00 First edition K X45-3820-10J79-0149-09X53-4130-10J79-0011-09X53-4140-10J79-0012-09X55-3100-10J79-0151-09X56-3120-10J79-0153-09NXR-800 B51-8827-00 Supplement K,K2 X45-3820-1XJ79-0149-09X53-4130-10J79-0011-09X53-4140-10J79-0012-09X55-3100-1XJ79-0151-09X56-3120-1XJ79-0153-09NXR-800 B51-8847-00 Supplement II K3 X45-3820-12J79-0149-09X53-4130-10J79-0011-09X53-4140-10J79-0012-09X55-3100-12J79-0151-09X56-3120-12J79-0153-09NXR-800 B51-8898-00 Supplement IIIThis service manual K4 X45-3820-13J79-0149-09X53-4130-10J79-0011-19X53-4140-10J79-0012-09X55-3100-13J79-0292-09X56-3120-13J79-0153-09