TK-7180H/7182H
2
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced techni-
cians familiar with similar types of commercial grade commu-
nications equipment. It contains all required service informa-
tion for the equipment and is current as of this publication
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.
PERSONAL SAFETY
The following precautions are recommended for personal
safety :
• DO NOT transmit if someone is within two feet (0.6
meter) 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 power-
up for safe operation.
• This equipment should be serviced by only qualified tech-
nicians.
PRE-INSTALLATION CONSIDERATIONS
1. UNPACKING
Unpack the radio from its shipping container and check for
accessory items. If any item is missing, please contact
KENWOOD immediately.
2. LICENSING REQUIREMENTS
Federal regulations require a station license for each radio
installation (mobile or base) be obtained by the equipment
owner. The licensee is responsible for ensuring transmitter
power, frequency, and deviation are within the limits permit-
ted by the station license.
Transmitter adjustments may be performed only by a li-
censed technician holding an FCC first, second or general
class commercial radiotelephone operator’s license. There is
no license required to install or operate the radio.
CONTENTS / GENERAL
GENERAL .................................................................. 2
SYSTEM SET-UP
TK-7180H ............................................................... 4
TK-7182H ............................................................... 5
REALIGNMENT ......................................................... 6
INSTALLATION ......................................................... 9
DISASSEMBLY FOR REPAIR ................................. 16
CIRCUIT DESCRIPTION .......................................... 19
SEMICONDUCTOR DATA ...................................... 24
COMPONENTS DESCRIPTION .............................. 27
PARTS LIST ............................................................. 29
EXPLODED VIEW
TK-7180H ............................................................. 40
TK-7182H ............................................................. 41
PACKING ................................................................. 42
ADJUSTMENT
TK-7180H ............................................................. 43
TK-7182H ............................................................. 55
TERMINAL FUNCTION ........................................... 66
PC BOARD
DISPLAY UNIT (X54-3480-10) : TK-7180H ......... 72
DISPLAY UNIT (X54-3540-10) : TK-7182H ......... 74
TX-RX UNIT (X57-6980-XX) (A/3, C/3) .............. 76
TX-RX UNIT (X57-6980-XX) (B/3) ...................... 78
SCHEMATIC DIAGRAM
DISPLAY UNIT (X54-3480-10) : TK-7180H ......... 82
DISPLAY UNIT (X54-3540-10) : TK-7182H ......... 84
TX-RX UNIT (X57-6980-XX) ............................... 86
INTERCONNECTION DIAGRAM
TK-7180H ............................................................. 96
TK-7182H ............................................................. 97
BLOCK DIAGRAM
TK-7180H ............................................................. 98
TK-7182H ........................................................... 100
LEVEL DIAGRAM .................................................. 102
OPTIONAL ACCESSORIES
KRK-10 (Control Head Remote Kit: 23ft/7m) .... 104
KAP-2 (Horn Alert/P.A. Relay unit) ................. 109
KCT-40 (Radio Interface Cable) ........................ 109
KCT-46 (Ignition Sense Cable) ......................... 109
KMC-35 (Microphone) ...................................... 109
KMC-36 (Keypad Microphone) ........................ 109
SPECIFICATIONS ................................. BACK COVER