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Kenwood TK-8160 Service Manual

Kenwood TK-8160
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© 2005-7 PRINTED IN JAPAN
B51-8723-00
(
N
)
375
UHF FM TRANSCEIVER
TK-8160/8162
SERVICE MANUAL
GENERAL .................................................. 2
SYSTEM SET-UP ...................................... 3
OPERATING FEATURES .......................... 4
REALIGNMENT ......................................... 6
DISASSEMBLY FOR REPAIR ................. 10
CIRCUIT DESCRIPTION .......................... 11
SEMICONDUCTOR DATA ...................... 16
COMPONENTS DESCRIPTION .............. 17
PARTS LIST ............................................. 18
EXPLODED VIEW.................................... 26
PACKING ................................................. 27
ADJUSTMENT ........................................ 28
TERMINAL FUNCTION ........................... 33
PC BOARD
DISPLAY UNIT (X54-3510-10) ............ 34
DISPLAY UNIT (X54-3522-70) ............ 36
TX-RX UNIT (X57-711X-XX)............... 38
SCHEMATIC DIAGRAM.......................... 42
BLOCK DIAGRAM ................................... 48
LEVEL DIAGRAM .................................... 50
SPECIFICATION ................... BACK COVER
CONTENTS
Panel assy
(A62-1107-13)
Key top
(K29-9342-01)
Modular jack
(E08-0877-05)
Panel assy
(A62-1108-03)
Key top
(K29-9342-01)
Modular jack
(E08-0877-05)
TK-8160 E, E3, X2
TK-8162 E, E3
This product uses Lead Free solder.

Other manuals for Kenwood TK-8160

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Kenwood TK-8160 Specifications

Power IconPower
operating voltage13.6 V DC ± 15%
current drain on standbyLess than 0.4 A
current drain on receiveLess than 1.0 A
current drain on transmitLess than 8.0 A
Operating Environment IconOperating Environment
operating temperature range–30°C to +60°C
frequency range K450 to 490 MHz
frequency range M440 to 480 MHz
Receiver Specifications IconReceiver Specifications
sensitivity 12dB SINAD wide0.28 µV
sensitivity 12dB SINAD narrow0.35 µV
selectivity wide75 dB
selectivity narrow65 dB
intermodulation wide70 dB
intermodulation narrow60 dB
spurious response75 dB
audio power output4.0 W
frequency stability± 2.5 ppm
Transmitter Specifications IconTransmitter Specifications
RF power output high25 W
RF power output low5 W
spurious and harmonics70 dB
modulation wide16K0F3E
modulation narrow11K0F3E
FM noise wide45 dB
FM noise narrow40 dB
audio distortionLess than 3%
frequency stability± 2.5 ppm
Weight and Dimensions IconWeight and Dimensions
width6.30 inch (160 mm)
height1.70 inch (43 mm)
depth5.40 inch (137 mm)
weight2.60 lbs (1.18 kg)

Summary

General

Introduction and Safety

Manual purpose, parts ordering, and safety precautions.

Installation Planning and Preparation

Unpacking, pre-installation checks, and installation planning.

System Set-up

Service Information

Notes on servicing and system setup procedures.

Transceiver Configuration

Flowchart for setting up transceiver options and accessories.

Operating Features

Controls and Functions

Overview of front panel controls, microphone, and their functions.

Display Indicators (TK-8160)

Explanation of icons and symbols shown on the TK-8160 display.

Operating Features

Display Indicators (TK-8162)

Explanation of icons and symbols shown on the TK-8162 display.

Rear Panel Connections

Diagram and description of rear panel connectors.

Programmable Functions

List of functions assignable to keys.

Realignment

Operating Modes

Overview of different transceiver operating modes.

Entering Operating Modes

Step-by-step guide to access various modes.

PC Programming Mode

Procedures for programming via PC interface.

Clone Mode

Method for transferring data between transceivers.

Realignment

Data Password for Clone Mode

Procedure for setting a password to activate clone mode.

Self Programming Mode

Guide for TK-8160 self-programming and password setup.

Realignment

Item Selection Mode Details

Flowchart and details for selecting items in self-programming.

Item Setting Mode Details

Flowcharts for configuring individual settings.

Realignment

KCT-39 Accessory Cable Installation

Steps for installing the KCT-39 connection cable.

Realignment

Ignition Sense Cable (KCT-18)

Connecting and modifying for ignition sense function.

Disassembly Procedures

Instructions for removing the transceiver panel and cabinet.

Circuit Description

Frequency Configuration

Explanation of receiver and transmitter frequency configurations.

Receiver System Overview

Description of receiver stages like RF amplifier and mixer.

IF Amplifier Circuit Details

Explanation of the first IF stage and filtering.

Circuit Description

Wide/Narrow Switching Circuit

Mechanism for selecting wide or narrow filters.

AF Signal System

Path of the audio signal from detection to output.

Squelch Circuit Operation

How the squelch detection and control functions.

PLL Frequency Synthesizer

Explanation of PLL circuit and VCO for frequency generation.

Circuit Description

Unlock Detection Circuit

Circuit operation for detecting PLL unlock during transmission.

Transmitter System Overview

General transmitter function, power amplification, and APC.

Circuit Description

Control Circuit Functions

CPU operations for controlling various transceiver functions.

Memory Circuit (EEPROM)

Description of the EEPROM for storing adjustment data.

Display and Backlight Control

How the CPU controls the LCD and LEDs.

Signaling Circuit - Encode

How various data types are encoded for transmission.

Circuit Description

Signaling Circuit - Decode

How various data types are decoded upon reception.

Power Supply Circuit Operation

Details of power supply management and protection circuits.

Semiconductor Data

Microprocessor IC101 Pin Functions

Detailed pin assignments and functions for the main microprocessor.

Components Description

Display Unit Components (TK-8160)

List of components on the TK-8160 display unit board.

Display Unit Components (TK-8162)

List of components on the TK-8162 display unit board.

TX-RX Unit Components

List of components on the TX-RX unit board.

Parts List

Display Unit Parts (TK-8160)

Comprehensive list of parts for the TK-8160 display unit.

Display Unit Parts (TK-8162)

Comprehensive list of parts for the TK-8162 display unit.

TX-RX Unit Parts

Comprehensive list of parts for the TX-RX unit.

Exploded View

Assembly Diagram

Visual guide showing how the transceiver is assembled.

Packing

Packaging Procedure

Steps for packing the transceiver for shipment.

Adjustment

Required Test Equipment

List of necessary equipment for alignment procedures.

Microphone and Tuning Cables

Details on required cables for microphone input and tuning.

Adjustment

Adjustment Locations and Points

Diagrams showing where adjustments are made on the unit.

Notes on EEPROM and IC281

Important notes regarding EEPROM data and IC281 mounting.

Fuse and Test Parameters

Fuse installation and test frequency/signaling configurations.

Adjustment

Reference Level Adjustment Frequencies

Frequencies used for reference level adjustments.

PCB Section Adjustments

Alignment procedures for specific PCB sections like VCO and IF coil.

Receiver Section Sensitivity

Procedure for checking receiver sensitivity.

Adjustment

Squelch and RSSI Adjustments

Procedures for adjusting squelch levels and RSSI.

Transmitter Section Adjustments

Alignments for transmitter frequency and power output.

Adjustment

Transmitter Section Parameters

Adjustments for power, DQT, MAX balance, MIC sensitivity, and deviations.

Terminal Function

CN2 and CN3 Connector Pinouts

Pin assignments for CN2 and CN3 connectors.

Function Port Assignments

Details on function port assignments for various modules.

PC Board

Display Unit Component Side

Component layout diagram for the display unit (component side).

Display Unit Foil Side

Component layout diagram for the display unit (foil side).

PC Board

Display Unit Component Side (Continued)

Continued component layout for the display unit (component side).

Display Unit Foil Side (Continued)

Continued component layout for the display unit (foil side).

PC Board

Display Unit Component Side (TK-8160)

Component layout for TK-8160 display unit (component side).

Display Unit Foil Side (TK-8160)

Component layout for TK-8160 display unit (foil side).

PC Board

Display Unit Component Side (TK-8162)

Component layout for TK-8162 display unit (component side).

Display Unit Foil Side (TK-8162)

Component layout for TK-8162 display unit (foil side).

PC Board

TX-RX Unit Component Side

Component layout for the TX-RX unit (component side).

PC Board

TX-RX Unit Component Side (Continued)

Continued component layout for the TX-RX unit (component side).

PC Board

TX-RX Unit Component Side (Continued)

Continued component layout for the TX-RX unit (component side).

PC Board

TX-RX Unit Component Side (Continued)

Continued component layout for the TX-RX unit (component side).

PC Board

TX-RX Unit Component Side (Continued)

Continued component layout for the TX-RX unit (component side).

PC Board

TX-RX Unit Foil Side

Component layout for the TX-RX unit (foil side).

PC Board

TX-RX Unit Foil Side (Continued)

Continued component layout for the TX-RX unit (foil side).

PC Board

TX-RX Unit Foil Side (Continued)

Continued component layout for the TX-RX unit (foil side).

Schematic Diagram

TX-RX Unit Schematics

Detailed circuit diagrams for the TX-RX unit.

Schematic Diagram

Display Unit Schematics

Detailed circuit diagrams for the display unit.

Block Diagram

Display Unit Block Diagrams

Block diagrams for TK-8160 and TK-8162 display units.

TX-RX Unit Block Diagram

Block diagram illustrating the TX-RX unit functional blocks.

Level Diagram

Receiver Section Levels

RF and AF level measurements for the receiver section.

Transmitter Section Levels

RF and AF level measurements for the transmitter section.

Level Diagram

Receiver Section Levels (Continued)

Continued RF and AF level measurements for the receiver.

Transmitter Section Levels (Continued)

Continued RF and AF level measurements for the transmitter.

Specifications

General Specifications

General parameters like frequency range, channels, voltage, and dimensions.

Receiver Specifications

Receiver performance metrics like sensitivity and selectivity.

Transmitter Specifications

Transmitter performance metrics like RF output power and modulation.

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