2
TK-480/481
GENERAL / SYSTEM SET-UP
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 in-
formation for the equipment and is current as of this publica-
tion date. Changes which may occur after publication are
covered by either Service Bulletins or Manual Revisions,
which are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment informa-
tion, the full part identification number should be included.
This applies to all parts : components, kits, and chassis. If
the part number is not known, include the chassis or kit
number of which it is a part and a sufficient description of
the required component, for proper identification.
PERSONNEL SAFETY
The following precautions are recommended for person-
nel safety :
• 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.
• This equipment should be serviced by only qualified tech-
nicians.
SERVICE
This radio is designed for easy servicing. Refer to the
schematic diagrams, printed circuit board views, and align-
ment procedures contained within.
NOTE
WE CANNOT guarantee oscillator stability when using
channel elements manufactured by companies other than
KENWOOD or its authorized agents.
You must use the KPG-49D to program TK-480/481 trans-
ceivers with a serial number of 30100001 or greater. You
cannot use the KPG-35D for those radios.
TK-480/481 transceivers with a serial number of
30100001 or greater have a red triangle in the KENWOOD
logo label (B43-1139-04) on the front panel. You will also
find the model name plate marked as “Ver 2.0” on the rear
of the transceiver.
Unit TX-RX unit Display unit
Model &
X57-5630-XX X54-3210-XX
Frequency range Remarks QT/DQT DTMF Charger Battery 16 key
destination 0-10 0-11 0-10 0-11
TK-480
K ✓✓
806~870MHz
IF1 : 44.85MHz
✓✓Option ✓
–
K2 ✓✓ LOC : 44.395MHz ✓
TK-481
K ✓✓
896~941MHz
IF1 : 44.85MHz
✓✓Option ✓
–
K2 ✓✓ LOC : 44.395MHz ✓
Note X57-5630-XX/X54-3210-XX : Produced in Singapore
Merchandise received
License and frequency allocated by FCC
Choose the type of transceiver
Transceiver programming
Are you using the speaker microphone?
Delivery
TX 806~825 2.5W TK-480 K,K2
851~870
RX 851~870
TX 896~902 TK-481 K,K2
935~941
RX 935~941
Frequency range (MHz) RF power Type
A personal computer (IBM PC or compatible), programming
interface (KPG-36), and programming software (KPG-49D) are
required for programming.
(The frequency, trunked system features, conventional system
features, TX power HI/LOW, and signaling data are programmed
for the transceiver.)
YES
NO
KMC-25
Speaker microphone
(Option)
SYSTEM SET-UP
(84 pages)
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