Onkyo TX-840 User Manual

ii
C0
Artistry in Sound
mo}. 8: @ 40)
TX-860/ 840
Quartz Synthesized Tuner Amplifier
Quarz-Synthesizer-Empfanger-Verstarker
Ampli-tuner a synthétiseur a quartz
Sintonizador de cvarzo amplificador
Quartz-Synthesizer-Tuner-Versterker
Quartz syntestuner/forstarkare
Amplificatore sintanizzatore/sintetizzato al quarzo

Onkyo TX-840 Specifications

General

Brand	Onkyo
Model	TX-840
Category	Amplifier
Language	English

Summary

Features and Safeguards

Electrical Safety and Servicing Precautions

Highlights warnings about moisture, servicing, and power cord safety.

Precautions and Settings

Care, Cleaning, and Power Settings

Voltage Selector and Tuning Settings

Explains operation of voltage selector and tuning step frequency switch.

System Connections

General Connection Guidelines

Emphasizes switching off power before making connections.

Antenna Connections

Remote Control and Speaker Connections

Remote Control Connections

Speaker Connections

Guidelines for connecting speakers, including polarity and impedance.

Component Connections

Audio Source Connections

Front Panel Facilities

Input Selector Buttons

Speaker and Headphone Connections

Remote Control Transmitter Operations

System Control Functions

Power, sleep timer, volume, tuning, tape, CD, and muting controls.

Operations - Tuner Reception

Memory Functions

Memory Setup and Preservation

Storing stations and memory back-up system.

Recording and Dubbing Operations

Tape Recording and Dubbing

Recording various sources and dubbing tapes.

Remote Control Transmitter

Battery Replacement

Troubleshooting Guide

Power and Sound Issues

Solutions for no power or no sound output.

Noise and Reception Problems

Addressing hum, crackling, buzzing, and poor reception.

Tuning and Remote Control Issues

Specifications

Amplifier Section Specifications

Detailed technical specifications for the amplifier section.

Tuner Section Specifications