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Onkyo TX-SR252

Onkyo TX-SR252
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AV RECEIVER
Operating Instructions
TX-SR252

Table of Contents

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Onkyo TX-SR252 Specifications

General IconGeneral
Operating temperature (T-T)5 - 35 °C
Impedance16 Ω
Receiver type-
Input sensitivity250 mV
Audio output channels5.1 channels
Total Harmonic Distortion (THD)0.06 %
Power output per channel (20-20KHz@8 Ohm)100 W
Audio formats supportedAAC, MP3, WMA
AC input voltage220-240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.45 W
Power consumption (typical)165 W
Package depth430 mm
Package width522 mm
Package height247 mm
ManualYes
Quantity1
Product colorBlack
Audio decodersDTS-HD, Dolby TrueHD
Treble adjustmentNo
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technologyWired
Speakers connectivity typeClamp terminals
AM band range531 - 1602 kHz
FM band range87.5 - 108 MHz
Supported radio bandsAM, FM
Preset stations quantity30
HDMI in4
Audio (L/R) in3
Composite video in2
Weight and Dimensions IconWeight and Dimensions
Depth326.5 mm
Width435 mm
Height168 mm
Weight7300 g

Summary

Controls and Displays

Front Panel Controls

Identifies and explains the buttons and indicators on the receiver's front panel.

Display Indicators Explained

Details the meaning of various symbols and lights shown on the receiver's display.

Remote Control Operations

Describes the functions of each button on the remote control.

Battery Installation and Remote Operation Range

Guide to inserting batteries and understanding the remote's effective range.

Connecting Your Equipment

Speaker Placement Guidelines

Recommendations for positioning speakers for optimal sound quality.

Connecting Speaker Wires

Step-by-step instructions for connecting speaker cables to the receiver.

Audio and Video Cable Connections

Explains connections using HDMI, analog audio, digital audio, and video cables.

Connecting TV and Playback Devices

How to connect your television and other audio/video sources to the receiver.

Connecting Non-HDMI Components

Instructions for connecting devices that lack HDMI output ports.

Antenna Installation and Connection

Guidance on connecting AM and FM antennas for improved reception.

USB Device Connectivity

Details on connecting USB mass storage devices for audio playback.

Power Connection Procedure

Safely connecting the receiver to the AC power outlet.

Basic Playback

Playing Audio Sources

How to select and play audio from connected input sources.

Selecting Audio Input Signals

Choosing the correct audio input type (HDMI, Analog, Digital) for a source.

USB Device Playback Controls

Using the remote to control playback of files stored on a USB device.

Compressed Audio Format Support

Information on compatible audio file formats and bitrates for USB playback.

Radio Tuning and Preset Management

Tuning radio stations, saving presets, and recalling them.

RDS Program Search and Display

Searching for radio programs by type and viewing RDS information.

Listening to Your System

Choosing Listening Modes

Selecting various surround sound and playback modes based on source and speakers.

Direct and Stereo Playback Modes

Using Direct mode for pure audio and Stereo mode for basic playback.

Digital Signal Processing (DSP) Modes

Applying different DSP modes to enhance the audio experience.

Music Optimizer for Compressed Audio

Restoring sound quality to compressed audio files.

Advanced Audio Adjustment Options

Fine-tuning audio settings like A/V SYNC, DUAL MONO, and HDMI Audio.

Graphical User Interface TV Format Settings

Adjusting the receiver's TV system format for correct display.

AM Radio Tuning Step Adjustment

Modifying the AM radio tuning step for better station reception.

Home Menu

Navigating the Home Menu System

Introduction to accessing and using the receiver's main setup menu.

Manual Speaker Setup Guide

Detailed configuration of speaker system parameters for optimal surround sound.

Speaker Size and Configuration

Setting speaker sizes (Large/Small) and presence (Yes/No) for each channel.

Crossover Frequency (X.Over) Settings

Defining the frequency split between speakers and the subwoofer.

Channel Level Balancing

Adjusting the volume level for each speaker channel using test tones.

Speaker Distance Configuration

Setting the distance from listening position to each speaker for delay calibration.

Input Assign Menu Functionality

Assigning audio input sources to specific terminals like CD.

Auto Power Down Feature

Configuring the automatic receiver power-off timer.

HDMI Setup and Configuration

Managing HDMI features like ARC, Standby Through, and 4K/60p signal settings.

Additional Information

Troubleshooting Common Issues

Solutions for operational problems, no sound, no picture, and overheating.

General Operation and Checks

Basic advice for general operation, power issues, and remote control problems.

HDMI Connection Troubleshooting

Specific advice for resolving HDMI connection and signal issues.

USB Message Explanations

Explains error messages related to USB device connections.

Resetting the Receiver to Factory Defaults

Procedure to restore the receiver's settings to their original factory state.

Cleaning and Maintenance Instructions

Instructions on how to clean the receiver's exterior.

Technical Specifications Overview

Detailed technical data including audio, video, tuner, and power specifications.

Included Furnished Parts List

List of accessories and components provided with the receiver.

Software License Information

Details regarding the licenses for open source software used in the product.

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