Kenwood KT-57 User Manual

AM/FM STEREO TUNER
KT-57
INSTRUCTION MANUAL
KENWOOD
Introduction
Your choice of this product indicates that you are a
devotee to excellence in sound reproduction.
We appreciate your patronage and take pride in the long
tradition of quality components.
So that you can get the most out of your unit, we suggest
that you take the time to read through this manual before
you hook up and operate your system. This will acquaint
you with operating features, and system-connection con-
siderations, so that your listening pleasure will be enhanced
right from the start. You will notice that in all aspects of
planning, engineering, styling, operating convenience and
adaptability, we have sought to anticipate your needs and
desires.
Keep this manual handy for future reference.
For your records
Record the serial number, found on the back of the unit,
in the spaces designated on the warranty card, and in the
space provided below. Refer to the model and serial
numbers whenever you call upon your dealer for informa-
tion or service on this product.
Model KT-57 Sertal Number
Unpacking
Unpack the unit carefully and make sure that all acces-
sories and cables are put aside so they will not be lost.
Examine the unit for any possibility of shipping damage.
If your unit is damaged, or fails to operate, notify your
dealer immediately. If your unit was shipped to you
directly, notify the shipping company without delay. Only
the consignee (the person or company receiving the unit)
can file a claim against the carrier for shipping damage.
We recommend that you retain the original carton and
packing materials for use should you transport or ship the
unit in the future.
Contents
A\ Before applying power
A\ Safety precautions
A\ Important safeguards
©PRINTED IN JAPAN B50-8679-00(K,P,U,M,UE,X}(G)
88/12 111098
Note to CATV system installer:
This reminder is provided to call the CATV system install-
er’s attention to Article 820 — 22 of the NEC that provides
guidelines for proper grounding and, in particular, specifies
that the cable ground shall be connected to the grounding
system of the building, as close to the point of cable entry
as practical.
Accessories
RCA: Pins luG COPD sictiadsucecusstattairesverttiaseresictatadoonnnGen 1
AM NOOR AR TER Na oii siete cece arctica een acl ace taes 1
AN) JOOD -EMtGnna. Stang =iccscei bes ceccce lictetiohiecuereceniinitestineen 1
FIV) SHADEO -ANtOONS escco acess ecescetss carrera cneneeniiiecsnadeimeeas 1
Caution: Read the following pages marked in A\ carefully to keep your safety.
Controls and indicators
Operating instructions
In case of difficulty
System connections
Specifications

Kenwood KT-57 Specifications

General

Brand	Kenwood
Model	KT-57
Category	Tuner
Language	English

Summary

Introduction to Kenwood KT-57 Tuner

Product Choice and Quality

Acknowledges user's choice for quality sound and highlights Kenwood's tradition of quality components.

Manual Usage Advice

Suggests reading the manual before operating for enhanced listening pleasure and future reference.

Accessories Included

Before Applying Power

AC Voltage Selection

Instructions for setting the AC voltage selector switch based on regional power supply.

General Safety Precautions

Essential warnings for safe operation, including AC plug usage and protection from rain or moisture.

Important Safeguards

Power, Environment, and Water Safety

Covers power sources, cord protection, grounding, ventilation, water exposure, and temperature limits.

Electric Shock and Enclosure Safety

Warns against touching internal parts and spilling liquids to prevent electric shock.

AC Outlet Usage Guidelines

Details on connecting other equipment to the unit's AC outlets and power capacity limits.

Additional Safeguards and Service Notes

Environmental and Usage Precautions

Covers magnetic fields, cleaning, periods of nonuse, and abnormal smells.

Service and Damage Considerations

Guidelines for when service is required, user servicing limitations, and handling damage.

Antenna Grounding and Placement

Instructions for outdoor antenna grounding and placement away from power lines.

System Connections

Antenna and Output Connections

Diagrams and instructions for connecting AM/FM antennas, speakers, and output signals.

AC Outlet and Grounding

Information on using the unit's AC outlets and proper grounding for safety and interference.

AM Loop Antenna Installation

Guidance on installing and positioning the AM loop antenna for optimal reception.

Antenna Setup and Channel Spacing

AM and FM Antenna Installation

Advice on installing AM outdoor, FM outdoor, and FM indoor antennas for best performance.

FM DE-EMPHASIS Switch

Explanation of the FM DE-EMPHASIS switch setting for correct high-frequency performance.

AM/FM Channel Space Switch

Instructions for setting the channel space switch for different regions to receive desired broadcasts.

Controls and Indicators Overview

Front Panel Controls

Description of the POWER, PRESET CHANNEL, MEMORY, Tuning mode, Band selector, and SCAN keys.

Tuning Controls

Explanation of the TUNING (DOWN, UP) keys for AUTO and MANUAL tuning modes.

Preset Channel Selector

Details on the PRESET A/B selector switch for storing and accessing up to 20 preset stations.

Digital Display Indicators

Explanation of the digital frequency counter, band indicators, and various status lights.

Operation Instructions

Auto Tuning Procedure

Step-by-step guide for automatic station searching and tuning.

Manual Tuning Procedure

Instructions for manually tuning to stations by adjusting frequency.

Preset Station Tuning

How to store and recall favorite stations using preset channels.

Preset Scan Function

How to sequentially scan through memorized preset stations.

System Control Terminal

Information on connecting the tuner for remote control via an amplifier's system control terminal.

Troubleshooting Common Issues

Preset Memory Issues

Addresses erased preset stations and potential causes like poor power cord connection.

AM Reception Problems

Solutions for high-frequency issues, interference, and intermittent buzz during AM reception.

FM Reception Problems

Troubleshooting hiss, static, popping noises, and STEREO indicator failure during FM reception.

Technical Specifications

FM Tuner Section Specifications

Detailed performance metrics for the FM tuner, including sensitivity, distortion, and frequency response.

AM Tuner Section Specifications

Performance metrics for the AM tuner, including tuning range, sensitivity, and selectivity.

General Unit Specifications

Overall specifications like power consumption, dimensions, and net weight.