General; Personal Safety - Kenwood NX-320 Series Service Manual

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.
Display unit X54-376X-XX
Model & Destination
(Market code)
0-10
K
K2
✓
K3
K4
NX-320
K5
✓
K6
E ✓
E2
E3

GENERAL

TX-RX unit X57-805X-XX Frequency
0-11 0-12 0-10
✓ ✓
✓ ✓
✓
✓
✓
✓
✓

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.
Remarks
range
0-11
450~
520MHz
✓ 1st IF:
49.95MHz
✓
LOC:
✓
50.4MHz
400~
470MHz
✓
✓
✓
NX-320
DTMF
LCD 4-key
keypad
– – –
✓ ✓
–
✓ ✓ ✓
– – –
✓ ✓
–
✓ ✓ ✓
✓ ✓ ✓
✓ ✓
–
– – –
3