Denon AVR-4800 manual Troubleshooting

Page 60

15 TROUBLESHOOTING

If a problem should arise,first check the following.

1.Are the connections correct ?

2.Have you operated the receiver according to the Operating Instructions ?

3.Are the speakers, turntable and other components operating property ?

If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there may be a malfunction. Disconnect the power immediately and contact your store of purchase.

 

Symptom

 

 

Cause

 

 

 

 

 

Measures

 

Page

 

 

 

 

 

 

etc.

DISPLAY not lit and sound not produced

• Power cord not plugged in securely.

 

• Check the insertion of the power cord plug.

6

 

 

 

 

 

 

 

 

• Turn the power on with the remote control

39

when power switch set to on.

 

 

 

 

 

 

 

 

broadcasts,

 

 

 

 

 

 

 

 

unit after turning the POWER switch on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Speaker cords not securely connected.

• Connect securely.

 

 

12 ~ 14

 

• Improper position of the audio function

• Set to a suitable position.

 

40

FM

 

button.

 

 

 

 

 

 

 

 

 

 

 

 

DISPLAY lit but sound not produced.

• Volume control set to minimum.

 

• Turn volume up to suitable level.

 

41

and

 

 

 

• MUTING is on.

 

 

 

 

 

• Switch off MUTING.

 

42

tapes,

 

• Digital signals not

input

Digital

input

• Input digital signals or select input jacks to

40

 

selected.

 

 

 

 

 

 

 

which digital signals are being input.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

records,

 

 

 

 

 

 

 

 

 

• Speaker terminals are short-circuited.

 

• Switch

power

off, connect

speakers

12 ~ 14

 

 

 

 

 

 

 

 

 

properly, then switch power back on.

 

 

• Blocked ventilation holes resulting in too

• Turn off the set’s power, then ventilate it

4, 5

CD,

 

 

high operating temperature.

 

 

well to cool it down.

 

 

the

DISPLAY not lit and power indicator is

 

 

 

 

 

 

 

 

Once the set is

cooled down,

turn the

 

flashing rapidly.

 

 

 

 

 

 

 

 

power back on.

 

 

 

to

 

 

 

 

 

 

 

 

 

 

 

 

• The unit is operating at continuous high

• Turn off the set’s power, then ventilate it

4, 5

listening

 

 

power

conditions

and/or

inadequate

well to cool it down.

 

 

 

ventilation.

 

 

 

 

 

 

Once the set is

cooled down,

turn the

 

 

 

 

 

 

 

 

 

 

power back on.

 

 

 

when

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Incomplete connection of speaker cords.

• Connect securely.

 

 

12 ~ 14

arising

 

 

 

Sound produced only from one channel.

• Incomplete

connection

of

input/output

• Connect securely.

 

 

6 ~ 15

 

cords.

 

 

 

 

 

 

 

 

 

 

 

 

problems

 

 

 

 

 

 

 

 

 

 

Positions of instruments reversed during

• Reverse

connections

 

of

left and

right

• Check left and right connections.

 

12 ~ 14

speakers

or

left and

right

input/output

 

 

 

 

 

stereo playback.

 

 

 

 

 

cords.

 

 

 

 

 

 

 

 

 

 

 

 

Common

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The on screen display is not displayed.

• “On screen display” is set to off on the

• Set “on

screen

display” on the system

29, 30

system setup menu screen.

 

 

setup menu screen to on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Ground wire of turntable not connected

• Connect securely.

 

 

6

 

Humming noise produced when record is

properly.

 

 

 

 

 

 

 

 

 

 

 

 

 

playing.

• Incomplete PHONO jack connection.

 

• Connect securely.

 

 

6

 

 

• TV or radio transmission antenna nearby.

• Contact your store of purchase.

 

—

 

 

 

 

 

 

records

 

• Turntable and speaker systems too close

• Separate as much as possible.

 

—

 

together.

 

 

 

 

 

 

 

 

 

 

 

 

Howling noise produced when volume is

• Floor is unstable and vibrates easily.

 

• Use cushions to absorb speaker vibrations

—

playing

high.

 

 

 

 

 

 

 

 

transmitted by floor. If turntable is not

 

 

 

 

 

 

 

 

 

 

equipped with insulators, use audio

 

 

 

 

 

 

 

 

 

 

insulators (commonly available).

 

 

When

 

 

 

 

 

 

 

 

 

• Stylus pressure too weak.

 

 

 

• Apply proper stylus pressure.

 

—

 

Sound is distorted.

• Dust or dirt on stylus.

 

 

 

 

 

• Check stylus.

 

 

—

 

 

• Cartridge defective.

 

 

 

 

 

• Replace cartridge.

 

 

—

 

 

 

 

 

 

 

 

 

 

 

 

 

Volume is weak.

• MC cartridge being used.

 

 

 

• Replace with MM cartridge or use a head

6

 

 

 

 

amplifier or step-up transformer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit.

 

• Batteries dead.

 

 

 

 

 

• Replace with new batteries.

 

31

control

 

• Remote control unit too far from this unit.

• Move closer.

 

 

31

 

• Remove obstacle.

 

 

31

This unit does not operate properly when

• Obstacle

between this

unit

and remote

 

 

 

 

 

 

 

remote control unit is used.

control unit.

 

 

 

 

 

 

• Press the proper button.

 

—

Remote

 

 

 

 

 

 

 

 

• Different button is being pressed.

 

 

 

 

• Insert batteries properly.

 

31

 

• < and > ends of battery inserted in reverse.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

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Contents AVR-4800 Safety Precautions Safety Instructions Table of Contents Before UsingFeatures Connecting the audio components ConnectionsConnecting video components Connecting a video component equipped with S-Video jacks Precaution when using S-jacksConnecting a monitor TV Connecting the video decksConnecting a DVD player DVD in jacks Monitor OUT jackConnecting the antenna terminals AM loop antenna assembly FM antenna adapter assemblyConnection of AM antennas Connecting the external input EXT. in jacks Connecting the Multi Source jacksConnecting the speaker cords Speaker system connectionsSpeaker Impedance ConnectionsConnections when using surround back speakers When using a power amplifier for the surround back channelRemote ON-OFF Protector circuit @4Input source indicators Part Names and FunctionsFront Panel @6DisplayRemote control unit +10Setting UP the System System Setup buttonSurround Parameter button Enter buttonSpeaker system layout Surround speaker selector functionBefore setting up the system Setting the type of speakersSetting the Subwoofer mode Enter the settingSystem Setup Menu reappears ParametersSetting the THX Surround EX SettingSetting the delay time PreparationsSetting the Power Amp Assignment Setting the channel level 1spkr FL C FR SR SBR SBL SL SW Flashing 2spkrs Subwoofer peak limit level setting Volume control is at a high levelAVR-4800 automatically sets the subwoofer peak limit level Setting the Digital In Assignment To select the input sourceTo select the digital input jack Setting the on-screen display OSD Auto tuner presetsSelect on or OFF After completing system setup On-screen display signalsRemote Control Unit Using the remote control unitInserting the batteries Set mode switch 2 to the position for the component to be Operating Denon audio componentsOperated Tuner system buttonsPreset memory VCR Operating a video component stored in the preset memory Set the slide switch to the component to be registeredDVD, VDP, VCR or TV Operate the video componentLearning function Using the system call function System call functionSystem call buttons Storing signals Clearing system call settingsClearing learned remote control signals OperationBefore operating Input mode selection function Playing the input sourceExample CD Adjusting the sound quality tone Listening over headphonesAfter starting playback Example StereoSwitching the surround speakers Turning the sound off temporarily mutingChecking the currently playing program source, etc Playing one source while recording another REC OUT mode Multi-source recording/playbackPlayback using the external input EXT. in jacks Multi-source and multi-zone playback Multi Room Music Entertainment SystemSurround Before playing with the surround functionFader function THX Surround EX / Home THX Cinema mode This mode is optimized for playing 5.1-channel moviesPlaying modes for different sources Select the Home THX Cinema mode Surround Back indicator lights greenContains Low Frequency Effect sounds Surround parameters q THX Surround EXSet the input mode to Auto Select the Dolby Surround modeDolby Digital indicator Lights when When the source is played Input channelSurround parameters w Cinema EQ. Cinema Equalizer COMP. Dynamic Range Compression7.1 Surround Dialogue NormalizationDolby Surround Pro Logic mode Surround modes and their features Denon Original Surround ModesPersonal Memory Plus Select the surround mode for the input channel DSP surround simulationSet the parameters Unit’s panelTone control setting Surround parameters e Surround modes and parametersAuto tuning Manual tuningListening to the Radio Checking the preset stations Recalling preset stations Last Function MemoryInitialization of the Microprocessor Troubleshooting Types of multi-channel signals Additional InformationOptimum surround sound for different sources Movie audioSurround back speakers Number of surround back speakersSpeaker setting examples When using different surround speakers for movies and music When not using surround back speakersSurround Dolby Surround Dolby Digital Dolby Surround AC-3Dolby Digital and Dolby Pro Logic Dolby Digital compatible media and playback methodsDTS Digital Surround Dolby Pro LogicDolby Pro Logic compatible media and playback methods DTS compatible media and playback methodsHome THX Cinema surround mode THX Surround EXSurround modes and parameters Specifications Audio section Power amplifier Rated output

AVR-4800 specifications

The Denon AVR-4800 is a high-performance home theater receiver that has left a lasting impact on audiophiles and home entertainment enthusiasts since its launch. A product of Denon's legacy in audio technology, the AVR-4800 caters to individuals who seek an immersive listening experience while enjoying their favorite movies, music, and gaming.

One of the standout features of the Denon AVR-4800 is its powerful multi-channel amplification. The receiver supports an impressive configuration of up to 7.1 channels, delivering a total output of 100 watts per channel. This level of amplification ensures that even the most demanding audio tracks are delivered with clarity and depth, creating an enchanting surround sound environment. The ability to connect various speakers allows for a customizable sound setup, catering to the needs of diverse home theater configurations.

The AVR-4800 supports several audio formats and technologies, including Dolby Digital, DTS, and Dolby Pro Logic II. This compatibility allows users to experience high-quality sound reproduction across various media formats, whether they are watching a blockbuster movie or listening to their favorite music. With a comprehensive suite of surround sound processing options, the receiver ensures an immersive audio experience that draws listeners into the action.

Furthermore, the AVR-4800 features Denon's proprietary AL24 processing, which enhances the audio signal by providing wider dynamic ranges and reduced distortion. This technology captures nuanced details in music and film soundtracks, resulting in a richer and more engaging listening experience. The inclusion of digital signal processing and tone controls allows users to tailor the sound according to their preferences, ensuring that every user can achieve their ideal audio setup.

The AVR-4800 also includes a range of connectivity options. It boasts multiple analog and digital inputs, allowing users to connect various devices, such as Blu-ray players, gaming consoles, and streaming devices. The receiver features video scaling capabilities, enabling it to upscale standard-definition video to high-definition output for better picture quality while watching films or shows.

Overall, the Denon AVR-4800 combines advanced audio technologies, impressive amplification, and versatile connectivity to provide an exceptional home theater experience. Its commitment to sound quality and user-friendly features make it a notable choice for anyone looking to elevate their entertainment setup. Whether you're a casual viewer or a serious audiophile, the AVR-4800 promises to deliver an auditory experience that is nothing short of mesmerizing.
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