Troubleshooting, Symptoms Remedies/Causes

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 speakers.	• Adjust the volume to the optimum level.
General		• Check the cords and connections.
		• 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 work.	Store stations manually.

	• Static noise while listening to the radio.	Connect the antenna firmly.
	• Static noise while listening to the radio.	Connect the antenna firmly.

	• Disc cannot be played back.	Insert the disc correctly.

	• CD-R/CD-RW cannot be played back.	• Insert a finalized CD-R/CD-RW.
	• Tracks on the CD-R/CD-RW cannot be	• Finalize the CD-R/CD-RW with the component which you
	skipped.	used for recording.
playback
playback	• Disc can neither be played back nor ejected.	• Unlock the disc (see page 10).
	• Disc can neither be played back nor ejected.	• Unlock the disc (see page 10).
		• Eject the disc forcibly (see page 2).
Disc
Disc	• Disc sound is sometimes interrupted.	• Stop playback while driving on rough roads.
	• 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.
	• “PLEASE” and ”EJECT” appear alternately on
	the display.

	• Disc cannot be played back.	• Use a disc with MP3/WMA tracks recorded in a format
		compliant with ISO 9660 Level 1, Level 2, Romeo, or
playback		Joliet.
playback		• Add the extension code <.mp3> or <.wma> to the file
		• Add the extension code <.mp3> or <.wma> to the file
		names.
MP3/WMA
MP3/WMA	• Noise is generated.	tracks.)
	• 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

	• A longer readout time is required	Do not use too many hierarchical levels and folders.
	(“READING” keeps flashing on the display).

ENGLISH

Continued on the next page

KD-G645, KD-G646 specifications

The JVC KD-G646 and KD-G645 are standout models in the realm of in-car audio systems, designed to enhance your listening experience on the road. Equipped with advanced features and user-friendly technologies, these head units bring entertainment and functionality to your vehicle.

One of the prominent features of both the KD-G646 and KD-G645 is their ability to play various audio formats. They support MP3, WMA, and WAV files, enabling users to enjoy their favorite music stored on CDs or USB drives. The inclusion of a USB port not only provides a direct connection for digital playback but also facilitates charging for compatible devices, ensuring your gadgets remain powered during long drives.

These models boast a robust 50 watts per channel output, ensuring high-quality sound reproduction that can fill any vehicle. With a built-in four-channel amplifier, the audio clarity is notably enhanced, bringing out the finer details in music. Additionally, both units offer customizable equalizer settings, allowing users to tweak sound profiles to match personal preferences or specific genres of music.

Another essential aspect of the JVC KD-G646 and KD-G645 is their compatibility with satellite radio and optional Bluetooth connectivity. When equipped with a Bluetooth adapter, users can stream music wirelessly from their smartphones and even take hands-free calls. This integration fosters a safer driving environment by minimizing distractions and keeping the driver focused on the road.

The user interface of these head units is intuitive, featuring a clear LCD display that shows track information, equalizer settings, and source selection. The easy-to-navigate controls ensure that adjustments can be made without diverting attention from driving. Moreover, the selectable button illumination adds a stylish touch that can be tailored to suit individual aesthetic preferences.

Durability is another characteristic that defines the JVC KD-G646 and KD-G645. Designed to withstand the rigors of daily use, these models are constructed with high-quality materials to ensure longevity. They also come with a detachable faceplate for added security, making it easier to protect the unit from theft when leaving the vehicle.

In summary, the JVC KD-G646 and KD-G645 are feature-rich car audio systems that prioritize sound quality, user convenience, and technological integration. With their compatibility with various audio formats, robust amplification, Bluetooth streaming options, and an intuitive interface, these head units are an excellent choice for anyone looking to elevate their in-car audio experience.