Kenwood NXR-901 Service Manual

Also see for NEXEDGE NXR-901: Instruction manual Instruction manual

Contents

NXR-9012GENERALDocument CopyrightsCopyright 2011 by JVC KENWOOD Corporation. Allrights reserved.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 permission ofJVC KENWOOD Corporation.DisclaimerWhile every precaution has been taken in the preparationof this manual, JVC KENWOOD Corporation assumes noresponsibility for errors or omissions. Neither is any liabilityassumed for damages resulting from the use of the informa-tion contained herein. JVC KENWOOD Corporation reservesthe right to make changes to any products herein at any timefor 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 serviceinformation 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 identifi cation.Firmware CopyrightsThe title to and ownership of copyrights for firmwareembedded in Kenwood product memories are reserved forJVC KENWOOD Corporation. Any modifying, reverse en-gineering, copy, reproducing or disclosing on an Internetwebsite of the firmware is strictly prohibited without priorwritten consent of JVC KENWOOD Corporation. Further-more, any reselling, assigning or transferring of the firmwareis also strictly prohibited without embedding the firmware inKenwood product 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. Referto the schematic diagrams, printed circuit board views, andalign ment procedures contained within.NOTEYou must use KPG-109D version 2.80 or later for thistransceiver. KPG-109D version earlier than version 2.80 willnot work properly.