NX-320
2
GENERAL .....................................................3
SYSTEM SET-UP .........................................4
REALIGNMENT ...........................................5
DISASSEMBLY FOR REPAIR ......................8
CIRCUIT DESCRIPTION ............................12
COMPONENTS DESCRIPTION .................18
PARTS LIST ...............................................20
EXPLODED VIEW ......................................30
PACKING ....................................................31
TROUBLE SHOOTING ..............................32
ADJUSTMENT
K
TYPE
....................................................35
E
TYPE
....................................................54
TERMINAL FUNCTION .............................76
PC BOARD
DISPLAY UNIT (X54-3760-XX) ..............78
TX-RX UNIT (X57-8050-XX) ..................82
LEVEL DIAGRAM .....................................86
INTERCONNECTION DIAGRAM ..............87
SCHEMATIC DIAGRAM ............................88
BLOCK DIAGRAM ....................................98
OPTIONAL ACCESSORIES
KNB-55L (Li-ion Battery Pack) ............101
KNB-56N (Ni-MH Battery Pack) .........101
KNB-57L (Li-ion Battery Pack) ............101
SPECIFICATIONS ....................................102
CONTENTS
Document Copyrights
Copyright 2011 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.
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.
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.
