General - Kenwood NXR-700 Service Manual

NXR-700
Document Copyrights
Copyright 2012 by JVC KENWOOD Corporation. All
rights 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 of
JVC KENWOOD Corporation.
Disclaimer
While every precaution has been taken in the preparation
of this manual, JVC KENWOOD Corporation assumes no
responsibility for errors or omissions. Neither is any liability
assumed for damages resulting from the use of the informa-
tion contained herein. JVC KENWOOD Corporation reserves
the right to make changes to any products herein at any time
for improvement purposes.
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced tech ni -
cians familiar with similar types of commercial grade com-
mu ni ca tions equipment. It contains all required service
in for ma tion for the equipment and is current as of the pub-
lication date. Changes which may occur after publication
are covered by either Service Bulletins or Manual Revisions.
These are is sued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment in for ma-
tion, the full part identifi cation number should be in clud ed.
This applies to all parts : components, kits, or chassis. If the
part number is not known, include the chassis or kit number
of which it is a part, and a suffi cient description of the re-
quired component for proper identifi cation.
2
Firmware Copyrights
The title to and ownership of copyrights for firmware
embedded in KENWOOD product memories are reserved
for JVC KENWOOD Corporation. Any modifying, reverse
engineering, copy, reproducing or disclosing on an Internet
website of the firmware is strictly prohibited without prior
written consent of JVC KENWOOD Corporation. Further-
more, any reselling, assigning or transferring of the fi rmware
is also strictly prohibited without embedding the fi rmware in
KENWOOD product memories.
Transceivers containing AMBE+2™ Vocoder:
The AMBE+2™ voice coding technology is embedded in
the fi rmware under the license of Digital Voice Systems, Inc.

GENERAL

PERSONAL SAFETY
The following precautions are recommended for personal
safety :
• 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 and
any open connectors are properly terminated.
• SHUT OFF this equipment when near electrical blasting
caps 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 qualifi ed tech-
nicians.
SERVICE
This transceiver is designed for easy servicing. Refer
to the sche mat ic diagrams, printed circuit board views, and
align ment procedures contained within.
NOTE
You must use KPG-109D version 3.00 or later for this
transceiver. KPG-109D version earlier than version 3.00 will
not work properly.