Kenwood TK-7108H User Manual

© 2003-6 PRINTED IN JAPAN
B51-8638-10
(
N
)
PDF
VHF FM TRANSCEIVER
TK-7108H
SERVICE MANUAL
Panel assy
(A62-0942-03)
Front glass
(B10-2753-03)
Cabinet
(A01-2181-01)
Chassis
(A10-4048-21)
Key top
(K29-9065-01)
Modular jack
(E08-0877-05)
GENERAL .................................................. 2
SYSTEM SET-UP ...................................... 3
OPERATING FEATURES .......................... 4
REALIGNMENT ......................................... 8
INSTALLATION ....................................... 11
DISASSEMBLY FOR REPAIR ................. 13
CIRCUIT DESCRIPTION .......................... 14
SEMICONDUCTOR DATA ...................... 18
COMPONENTS DESCRIPTION .............. 20
PARTS LIST ............................................. 21
EXPLODED VIEW.................................... 27
PACKING ................................................. 28
ADJUSTMENT ........................................ 29
TERMINAL FUNCTION ........................... 34
PC BOARD
DISPLAY UNIT (X54-3460-20) ............ 35
TX-RX UNIT (X57-6700-24) ................ 37
SCHEMATIC DIAGRAM.......................... 43
BLOCK DIAGRAM ................................... 47
LEVEL DIAGRAM .................................... 49
SPECIFICATION ...................................... 51
CONTENTS
REVISED
This service manual applies to products with 50300001 or subsequent serial numbers.
In terms of the products with the serial numbers earlier than 50300001, refer to the TK-7108H service manual as per part No.
B51-8638-00.
Service Manual List
Title Parts number Remarks Destination TX-RX unit number Display unit number
TK-7108H B51-8638-00 M X57-6383-01 X54-3340-20
TK-7108H B51-8638-10 REVISED M X57-6700-24 X54-3460-20
(This service manual)

Kenwood TK-7108H Specifications

General

Brand	Kenwood
Model	TK-7108H
Category	Transceiver
Language	English

Summary

General Information

Personnel Safety

Essential safety precautions for operating and servicing the equipment.

System Set-up

Installation Planning – Control Stations

Guidance for planning the installation of control station equipment.

Operating Features

Controls and Functions

Detailed description of the front panel, microphone, display, and rear panel controls.

Operation Features

Explanation of the transceiver's general operational capabilities and functions.

Realignment Procedures

PC Mode

Procedures for configuring the transceiver using a personal computer.

Clone Mode

Process for transferring configuration data between transceivers.

Installation

Optional Board

Instructions for installing optional boards like voice scramblers.

Circuit Description

Receiver System

Detailed description of the receiver's internal circuitry and operation.

PLL Frequency Synthesizer

Explanation of the Phase-Locked Loop circuit for frequency generation.

Transmitter System

Detailed description of the transmitter's internal circuitry and operation.

Adjustment Procedures

Test Equipment Required for Alignment

List of necessary test equipment and their major specifications for alignment.

Receiver and Transmitter Adjustments

Procedures for adjusting the receiver and transmitter sections.

Specifications