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Troubleshooting

What appears to be trouble is not always serious. Check the following points before calling a service center.

 

 

Symptoms

Remedies/Causes

General

 

• Sound cannot be heard from the

• Adjust the volume to the optimum level.

 

speakers.

• Check the cords and connections.

 

 

 

 

 

 

 

 

• The unit does not work at all.

Reset the unit (see page 2).

 

 

 

 

FM/AM

 

• SSM automatic presetting does not

Store stations manually.

 

work.

 

 

 

 

• Static noise while listening to the

Connect the antenna firmly.

 

 

radio.

 

 

 

 

 

 

 

• Disc cannot be played back.

Insert the disc correctly.

 

 

 

 

 

 

• CD-R/CD-RW cannot be played

• Insert a finalized CD-R/CD-RW.

 

 

back.

• Finalize the CD-R/CD-RW with the component

playback

 

• Tracks on the CD-R/CD-RW cannot

which you used for recording.

 

be skipped.

 

 

 

 

 

 

 

 

 

 

• Disc can be neither played back nor

• Unlock the disc (see page 10).

Disc

 

ejected.

• Eject the disc forcibly (see page 2).

 

 

 

 

• Disc sound is sometimes interrupted.

• Stop playback while driving on rough roads.

 

 

 

 

 

• Change the disc.

 

 

 

• Check the cords and connections.

 

 

 

 

 

 

• “NO DISC” appears on the display.

Insert a playable disc into the loading slot.

 

 

 

 

 

 

• Disc cannot be played back.

• Use a disc with MP3/WMA tracks recorded in

 

 

 

the format compliant with ISO 9660 Level 1,

playback

 

 

Level 2, Romeo, or Joliet.

 

 

• Add the extension code <.mp3> or <.wma> to

 

 

 

 

 

 

the file names.

 

 

 

 

MP3/WMA

 

• Noise is generated.

Skip to another track or change the disc. (Do not

 

 

add the extension code <.mp3> or <.wma> to

 

 

 

 

 

 

non-MP3 or WMA tracks.)

 

 

 

 

 

 

• A longer readout time is required

Do not use too many hierarchies and folders.

 

 

(“CHECK” keeps flashing on the

 

 

 

display).

 

 

 

 

 

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JVC KD-G720, KD-AR770 manual Troubleshooting, Symptoms Remedies/Causes
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KD-G720, KD-AR770 specifications

The JVC KD-AR770 and KD-G720 are two prominent car audio receivers that exemplify JVC's commitment to delivering high-quality sound and advanced features for automotive enthusiasts. With their cutting-edge technology and user-friendly design, these models cater to a wide range of audio preferences and requirements.

The JVC KD-AR770 stands out with its sleek appearance and intuitive interface. One of its main features is the ability to connect to various audio sources, including USB ports for direct playback from flash drives, as well as Bluetooth connectivity for wireless streaming. This allows users to enjoy their favorite music from smartphones and other compatible devices effortlessly. Additionally, the built-in amplifier delivers a powerful output, ensuring that every note is crisp and clear.

Equipped with a comprehensive equalizer, the KD-AR770 allows users to customize their sound experience. This feature enables them to adjust frequency levels for bass, mid, and treble, creating a tailored audio profile that suits individual preferences. The receiver also supports various audio formats, including MP3 and WAV files, ensuring versatility for music lovers.

On the other hand, the JVC KD-G720 shares many similarities with the KD-AR770 but adds its own unique features. With a vibrant LCD display, the KD-G720 enhances usability with easy navigation through menus, making it accessible for all users. Like its counterpart, it supports multiple audio sources, including CD playback and iPod connectivity, enabling users to enjoy a variety of listening options.

Both models feature high-quality sound enhancement technologies, such as JVC's Digital Sound Processing (DSP), which enhances the overall audio output, providing an immersive listening experience. The receivers also include programmable presets, allowing users to store their favorite radio stations for quick access.

Another notable characteristic of both the KD-AR770 and KD-G720 is their user-friendly controls. The layout of buttons and knobs is designed for ease of use, ensuring that drivers can adjust settings safely while on the road. Furthermore, each model has compatibility with various vehicle systems, making installation straightforward.

In summary, the JVC KD-AR770 and KD-G720 are impressive car audio receivers designed for those who seek quality sound and convenience. Their array of features, from Bluetooth connectivity to customizable sound settings, combined with user-friendly interfaces, makes them ideal choices for enhancing any vehicle's audio system. With these receivers, drivers can enjoy a richer, more engaging listening experience miles down the road.
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