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Denon AVR-684 - User Manual

Denon AVR-684
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AV SURROUND RECEIVER
收音環繞擴音機
收音環繞擴音機
AVR-1604/684
OPERATING INSTRUCTIONS
操作說明書
操作說明書
FOR ENGLISH READERS PAGE003 ~ PAGE0037
中 文（繁體字版） 第 38 頁 ~ 第 172 頁
中 文（簡體字版） 第 73 頁 ~ 第 107 頁

Table of Contents

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Questions and Answers

  • S
    Sandra HinesAug 7, 2025
    What to do if my Denon Receiver display is lit but there is no sound?
    • N
      Nicole ChristensenAug 7, 2025
      If the Denon Receiver display is lit but no sound is coming out, several things could be the reason: * Check that the speaker cords are securely connected. * Ensure the audio function button is set correctly. * Increase the volume, as it might be set to the minimum. * Turn off MUTING, if it’s on. * If using digital signals, ensure they are being input correctly or that the correct input jacks are selected.
  • T
    Tammy McmahonAug 11, 2025
    Why is my Denon Receiver not working with the remote control?
    • K
      Kelly DiazAug 12, 2025
      If your Denon Receiver isn't responding to the remote control, here's what you can check: 1. Replace the batteries with new ones, as the current ones may be dead. 2. Make sure you're close enough to the unit; the remote might be too far away. 3. Remove any obstacles between the remote and the receiver. 4. Ensure you're pressing the correct button. 5. Verify that the batteries are inserted correctly, with the < and > ends in the proper orientation.
  • J
    Jennifer StewartAug 17, 2025
    How to fix a Denon Receiver with no display and sound when turned on?
    • J
      james69Aug 17, 2025
      If the Denon Receiver display is not lit and no sound is produced when the power operation switch is on, check that the power supply cord is securely plugged in. Also, try turning the power off with the remote control after turning the POWER operation switch on.
  • D
    Denise MorrisonAug 21, 2025
    What to do if Denon Receiver display is off and power indicator flashes rapidly?
    • D
      Daniel SmithAug 21, 2025
      If the display of your Denon Receiver is not showing anything and the power indicator is flashing rapidly, it could be due to a short circuit in the speaker terminals or blocked ventilation holes, or continuous high power operation with inadequate ventilation. Turn the power off, ensure the speakers are properly connected, and make sure the ventilation holes are unblocked to cool down the unit. Then, turn the power back on.
  • C
    Cheryl HardingAug 27, 2025
    Why is sound only coming from one channel on my Denon Receiver?
    • C
      comptonemilyAug 27, 2025
      If sound is only coming from one channel on your Denon Receiver, check the connections of the speaker cords and input/output cords to ensure they are securely connected.
  • O
    oscar30Aug 31, 2025
    Why are the stereo positions reversed on my Denon Receiver?
    • R
      rebecca32Aug 31, 2025
      If the instrument positions are reversed during stereo playback on your Denon Receiver, check the left and right connections of the speakers or the input/output cords. Make sure they are correctly connected.

Summary

AV Surround Receiver

Operating Instructions

Guide for setting up and operating the AV Surround Receiver, including features and functions.

Notes on Use

General Safety Precautions

Essential safety warnings for operating the appliance to prevent hazards.

Usage and Environmental Notes

Guidelines for proper placement, ventilation, and environmental considerations.

Features

Part Names and Functions

Setting Up the Speaker Systems

Speaker System Layout

Example of a basic layout for seven speaker systems and a television monitor.

Connections

Connecting Audio Components

Guidance on connecting various audio devices like tape decks and CD recorders.

Connecting Digital Jacks

Instructions for connecting audio equipment with digital outputs.

Connecting Video Components

Connecting a DVD Player or Video Disc Player

Instructions for connecting DVD players or VDPs via S-Video and analog audio.

Connecting a Monitor TV

Guidance on connecting a TV to the MONITOR OUT jack.

Connecting the Video Deck

Instructions for connecting video decks via S-Video and analog audio.

Connecting a TV;DBS Tuner

Instructions for connecting TV/DBS tuners via S-Video and analog audio.

Connecting Video Components with S-video Jacks

Notes on using S-jacks, including independent circuit structures.

Speaker System Connections

Speaker Impedance

Information on compatible speaker impedances for different setups.

Protector Circuit

Explanation of the unit's protection circuit and its activation.

Using the Remote Control Unit

Range of Operation

Details on the optimal operating distance and angle for the remote control.

Inserting the Batteries

Setting Up the System

System Setup Items and Default Values

Setting the Speaker Configuration

Guide for configuring speaker types (Front, Center, Surround).

Setting the Test Tone

Test Tone Mode Selection

Adjusting Channel Levels

Adjusting the playback level of each channel for equal sound output.

Remote Control Unit

Operating DENON Audio Components

Instructions for operating DENON audio components using the remote.

Preset Memory Function

Guide to setting up the remote to control other manufacturers' components.

Operating Component Stored in Preset Memory

DVD System Buttons

VCR System Buttons

TV System Buttons

Operation

Before Operating

Punch Through Function

Explanation of the 'Punch Through' feature for remote control operation.

Playing the Input Source

Selecting the Input Source

Selecting the Input Mode

Selecting the Play Mode

After Starting Playback

Adjusting Sound Quality (Tone)

How to adjust bass and treble levels using the tone controls.

Listening Over Headphones

Turning Sound Off Temporarily (Muting)

Surround Function

Before Playing with Surround Function

Dolby Surround Pro Logic II Mode

Selecting the Dolby Surround Mode

Adjusting Speaker Levels

Guide to adjusting individual speaker channel levels.

DTS NEO:6 Mode

Setting Surround Parameters

Adjusting various surround parameters for DTS NEO:6 mode.

CINEMA EQ Setting

Surround Parameters

Pro Logic II Mode Details

Setting Default Settings

Dialogue Normalization

Surround Back Speaker Output

DTS NEO:6 Mode Details

Dolby Digital and DTS Surround Modes

Setting Cinema EQ

Setting D. COMP.

Setting LFE Level

Setting Tone Defeat

Setting Surround Back Speaker

DSP Surround Simulation

Surround Modes and Features

Overview of the 7 DSP surround modes and their characteristics.

DSP Surround Simulation Parameter Settings

Room Size

Effect Level

Delay Time

Dynamic Range Compression (D.COMP)

Tone Defeat

Surround Back Speaker

Default Settings

Surround Modes and Parameters Table

Listening to the Radio

Auto Preset Memory

Function for automatically searching and storing FM broadcast stations.

Auto Tuning

Manual Tuning

RDS (Radio Data System)

Program Type (PTY)

RDS Search

PTY Search

Additional Information

Optimum Surround Sound for Different Sources

Guidance on selecting the best surround sound for various source types.

Surround Back Speakers

Explanation of the role and benefits of surround back speakers.

Speaker Setting Examples

DTS-ES Compatible System

Basic setting for DTS-ES systems, especially for movie watching.

Setting for Primarily Watching Movies

When Not Using Surround Back Speakers

Dolby Digital Compatible Media and Playback Methods

DTS Digital Surround

DTS-ES Extended Surround

Troubleshooting

Specifications

Denon AVR-684 Specifications

General IconGeneral
BrandDenon
ModelAVR-684
CategoryStereo Receiver
LanguageEnglish

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