NX-200
2
Document Copyrights
Copyright 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 permission
of Kenwood.
Disclaimer
While every precaution has been taken in the preparation
of 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 contained
herein. Kenwood 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 techni-
cians familiar with similar types of commercial grade com-
munications equipment. It contains all required service
information 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 issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment informa-
tion, the full part identifi cation number should be included.
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.
Firmware Copyrights
The title to and ownership of copyrights for firmware
embedded in Kenwood product memories are reserved for
Kenwood Corporation. Any modifying, reverse engineer-
ing, copy, reproducing or disclosing on an Internet website
of the firmware is strictly prohibited without prior written
consent of Kenwood Corporation. Furthermore, any resell-
ing, assigning or transferring of the fi rmware is also strictly
prohibited without embedding the firmware in Kenwood
product memories.
NXDN Transceivers:
The AMBE+2(TM) voice coding technology is embedded
in the fi rmware under the license of Digital Voice Systems,
Inc.
PERSONAL SAFETY
The following precautions are recommended for personal
safety:
• DO NOT transmit until all RF connectors are verifi ed se-
cure and any open connectors are properly terminated.
• SHUT OFF and DO NOT operate this equipment near
electrical blasting caps or in an explosive atmosphere.
• This equipment should be serviced by a qualifi ed techni-
cian only.
SERVICE
This transceiver is designed for easy servicing. Refer to
the schematic diagrams, printed circuit board views, and
alignment procedures contained within.
GENERAL
Service Manual List
Title
Market code
Serial number
Unit
Unit number
Parts number
Remarks
NX-200
K, K2
90700001~00600890
Control
X53-4260-XX
(J79-0131-19)
B51-8811-00
First edition
TX-RX
X57-7360-10
(J79-0127-19, -29)
B51-8811-00
First edition
06000891~A8Bxxxxx
Control
X53-4260-XX
(J79-0131-29)
B51-8811-10
Revised
This service manual
TX-RX
X57-7360-10
(J79-0127-19, -29)
B51-8811-00
First edition
A8C00001~
Control
X53-4260-XX
(J79-0131-29)
B51-8811-10
Revised
This service manual
TX-RX
X57-7360-10
(J79-0127-39)
B51-8811-10
Revised
This service manual
Note:
Refer to page 11 for compatibility information of the Control unit and TX-RX unit.
