JVC RX-7520VBK manual Troubleshooting, Problem Possible Cause Solution

Page 43

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Troubleshooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC’s service center.

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

 

The power does not come on.

The power cord is not plugged in.

Plug the power cord into an AC outlet.

 

 

 

 

 

No sound from speakers.

Speaker signal cables are not connected.

Check speaker wiring and reconnect if

 

 

 

necessary.

 

 

 

 

 

 

 

The SPEAKERS ON/OFF 1 and 2 buttons

Press SPEAKERS ON/OFF 1 and 2 buttons

 

 

are not set correctly.

correctly.

 

 

 

 

 

 

 

 

An incorrect source is selected.

Select the correct source.

 

 

 

 

 

 

 

Muting is activated.

Press MUTING to cancel the mute.

 

 

 

 

 

 

An incorrect input mode (analog or

Select the correct input mode (analog or

 

 

digital) is selected.

digital).

 

 

 

 

 

 

 

 

Connections are incorrect.

Check connections.

 

 

 

 

For analog connections, see pages 6 – 8.

 

 

 

For digital connections, see page 9.

 

 

 

 

 

Sound from one speaker only.

Speaker signal cables are not connected

Check speaker wiring and reconnect if

 

 

properly.

necessary.

 

 

 

 

 

 

 

The balance is set to one extreme.

Adjust the balance properly (see page 19).

 

 

 

 

 

Continuous hiss or buzzing during FM

Incoming signal is too weak.

Connect an outdoor FM antenna or contact

 

reception.

 

your dealer.

 

 

 

 

 

 

 

 

The station is too far away.

Select a new station.

 

 

 

 

 

 

 

An incorrect antenna is used.

Check with your dealer to be sure you have

 

 

 

the correct antenna.

 

 

 

 

 

 

 

 

Antennas are not connected properly.

Check connections.

 

 

 

 

 

 

Occasional cracking noise during FM

Ignition noise from automobiles.

Move the antenna farther from automobile

 

reception.

 

traffic.

 

 

 

 

 

 

Howling during record playing

Your turntable is too close to speakers.

Move speakers away from the turntable.

 

 

 

 

 

Noise is heard.

An earth (H) cable is not connected to the

Connect the cable to the AM (H) terminal on

 

 

AM (H) terminal on the rear panel.

the rear panel.

 

 

 

 

 

 

 

“OVERLOAD” starts flashing on the

Speakers are overloaded because of high

1. Press STANDBY/ON

on the front

 

display.

volume.

panel to turn off the receiver.

 

 

 

2. Stop the playback source.

 

 

 

3. Turn on the receiver again, and adjust the

 

 

 

volume.

 

 

 

 

 

 

 

 

Speakers are overloaded because of short

Press STANDBY/ON

on the front panel,

 

 

circuit of speaker terminals.

then check the speaker wiring.

 

 

 

If “OVERLOAD” does not disappear, unplug

 

 

 

the AC power cord, then plug it back again.

 

 

 

If speaker wiring is not short-circuited, contact

 

 

 

your dealer.

 

 

“DSP MICOM NG” starts flashing on the

The built-in microcomputer is not

Press STANDBY/ON

on the front panel to

 

display.

functioning correctly.

turn off the receiver. After unplugging the

 

 

 

power cord, consult your dealer.

 

 

 

 

 

 

The STANDBY lamp lights up after

The receiver is overloaded because of a

Press STANDBY/ON

on the front panel to

 

turning on the power, but soon the

high voltage.

turn off the receiver. After unplugging the

 

receiver turns off (into standby mode).

 

power cord, consult your dealer.

 

 

 

 

 

 

Remote control does not work.

There is an obstruction in front of the

Remove the obstruction.

 

 

 

remote sensor on the receiver.

 

 

 

 

Batteries are weak.

Replace batteries.

 

 

 

 

 

 

Remote control does not operate as you

The remote control is not ready for your

Press SOUND or source selecting buttons

 

intend.

intended operation.

first, then press the button you want to use.

 

 

 

(See pages 20, 27, 28, 34 – 39).

 

40

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Contents RX-7520VBK For U.S.A Mises en garde, précautions et indications diversesRX-7520VBK For Canada/pour le Canada For Canada/pour Le CanadaTable of Contents Parts Identification Remote ControlFront Panel Replace the cover Before Installation Putting Batteries in the Remote ControlChecking the Supplied Accessories Getting StartedFM antenna connection Connecting the FM and AM AntennasGetting Started AM antenna connectionConnection diagram Connecting the SpeakersSpeaker layout diagram Connecting the front speakersAnalog connections Audio component connections Connecting Audio/Video ComponentsConnecting the rear and center speakers Connecting the subwoofer speakerVCR Video component connectionsCassette deck or CD recorder If your audio components have a Compu Link jackDVD player For enjoying DVD Multi Playback ModeDVD player Digital input terminals Connecting the Power CordPlug the power cord into an AC outlet Digital connectionsAudio Turning On the Power Selecting the Source to PlayBasic Operations STANDBY/ONOn the front panel Adjusting the VolumeFrom the remote control Changing the source nameTurning Off the Sounds Temporarily-Muting Turning Off the Power With the Sleep TimerHeadphone mode Basic OperationsFor recording Basic adjustment auto memorySignal and speaker indicators on the display Speaker indicators light up whenSelecting the Analog or Digital Input Mode Basic SettingsOn the front panel Press Control UP 5/DOWN ∞ toSelect Dolby Digital or DTS Surround while Digital Auto still remains on the displaySetting the Speaker Information Remote Basic SettingsSelect the appropriate speaker distance Press Setting repeatedly until Frnt ST SettingWith the current setting* appears on the display Select the unitPress Control UP 5/DOWN ∞ Select the low frequency effectAttenuator level Comp Dynamic rangeAdjusting the Front Speakers Sound AdjustmentsOutput Balance Adjusting the Subwoofer Output Level Sound AdjustmentsReinforcing the Bass Using Preset Tuning Tuning in Stations ManuallyTuner Operations Tuner Operations Selecting the FM Reception ModeTypical Multichannel 5.1 ch reproduction Creating Realistic Sound FieldsDolby Surround DTS Digital SurroundAll Channel Stereo reproduction DVD Multi Playback ModeCreating Realistic Sound Fields DAP Digital Acoustic Processor modes All Channel StereoSpeaker Layouts Available Surround modes About Relations between Speaker Layouts and Surround ModesTurning on or off the Surround modes Selecting the Surround modesIf you like to adjust sound, go to step Activate Surround modePress Surround ON/OFF to Press Test again to stop the test tone Set the analog or digital input mode forAdjust the speaker output levels -10 to +10 Source you like to hear and start playingUsing DAP Modes and All Channel Stereo To cancel DAP modes and All Channel Stereo Press Surround ON/OFF to activate Surround modePress Surround Mode repeatedly For DAP modes only Adjust the effect levelActivating DVD Multi Playback Mode Using DVD Multi Playback ModePress DVD Multi Synchronized Recording Compu Link Remote Control SystemRemote Control through the Remote Sensor on the Receiver Press the play 3 button on the CD playerConnections 1 AV Compu Link Connection AV Compu Link Remote Control SystemConnections 2 Video Cable Connections One-Touch DVD Play Automatic Selection of TV’s Input ModeAutomatic Power On/Off One-Touch Video PlayTuner Sound AdjustmentOperating JVC’s Audio/Video Components Operating Audio ComponentsCassette deck CD changerCD recorder DVD menu operations Operating JVC’s Audio/Video ComponentsOperating Video Components DVD playerTry to operate your TV by pressing To change the transmittable signals for operating a TVIf there are more than one code listed for your brand of TV Operating Other Manufacturers’ Video EquipmentTry to operate your VCR by pressing To change the transmittable signals for operating a VCROperating Other Manufacturers’ Video Equipment Try to operate your Catv converter by pressingManufacturers’ codes for DVD player Codes Try to operate your DVD player by pressingPanasonic Philips Pioneer Sony Toshiba Yamaha Problem Possible Cause Solution TroubleshootingHarmonic distortion SpecificationsPer channel, min. RMS, driven into 8 Ω Hz to 20 kHz with no more than 0.8% totalGeneral SpecificationsFM tuner IHF AM tunerEN, FR 0202NHMMDWJEIN

RX-7520VBK specifications

The JVC RX-7520VBK is a well-regarded audio receiver that combines advanced technology with user-friendly features, making it an ideal choice for both audiophiles and casual listeners. This model is designed to enhance the home theater experience, delivering high-quality sound and versatility in connectivity options.

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User-friendliness is a key aspect of the RX-7520VBK. The front panel features a clear display and buttons that are easy to navigate, while the included remote control offers convenient access to various settings and functions without needing to get up from the couch.

In summary, the JVC RX-7520VBK is a versatile and powerful receiver, ideal for those looking to create a comprehensive home theater system. With its strong amplification, extensive connectivity options, support for multiple audio formats, and user-friendly design, it stands as a solid choice in the realm of audio receivers. Whether for casual listening or a full cinematic experience, the RX-7520VBK promises to elevate any sound setup.
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