JVC KD-S641 Troubleshooting, Symptoms Causes Remedies, Unit. The clock setting, Memory are erased

Page 19

TROUBLESHOOTING

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

 

 

Symptoms

Causes

 

 

 

Remedies

 

 

 

 

 

 

 

 

 

 

•

Sound cannot be heard

The volume level is set to the

Adjust it to the optimum level.

 

 

 

from the speakers.

minimum level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connections are incorrect.

Check the cords and

General

 

 

 

connections.

 

 

 

 

 

 

 

 

 

 

 

• This unit does not work at

The built-in microcomputer

Press and hold both SEL

 

 

all.

may have functioned

(select) and

 

 

(standby/

 

 

 

 

 

 

incorrectly due to noise, etc.

on/attenuator) at the same time

 

 

 

 

for several seconds to reset the

 

 

 

 

unit. (The clock setting and

 

 

 

 

preset stations stored in

 

 

 

 

memory are erased.)

 

 

 

 

(See page 2.)

 

 

 

 

 

 

 

 

 

 

 

 

•

SSM (Strong-station

Signals are too weak.

Store stations manually.

 

FM/AM

 

Sequential Memory)

 

 

 

 

 

 

 

 

 

automatic preset does not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

work.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Static noise while listening

The antenna is not connected

Connect the antenna firmly.

 

 

to the radio.

firmly.

 

 

 

 

 

 

 

 

 

 

 

 

 

•

CD automatically ejects.

CD is inserted upside down.

Insert the CD correctly.

 

 

 

 

 

 

 

 

•

CD-R cannot be played

CD-R is not finalized.

•

Insert a finalized CD-R.

 

 

back.

 

 

 

 

 

 

 

 

 

•

Tracks on the CD-R cannot

 

•

Finalize the CD-R with the

 

 

be skipped.

 

 

component which you used

 

 

 

 

 

for recording.

 

 

 

 

 

 

• CD can be neither played

CD is locked.

Unlock the CD (See page 13.)

 

 

back nor ejected.

 

 

 

 

 

 

 

 

Playback

 

The CD player may function

Press

 

 

 

 

(standby/on/

 

 

 

 

 

 

 

 

 

incorrectly.

attenuator) and 0 at the same

 

 

 

 

 

 

 

time for more than 2 seconds.

 

 

 

 

Be careful not to drop the CD

CD

 

 

 

when it is ejected.

 

 

 

 

 

 

 

 

 

 

•

CD sound is sometimes

You are driving on rough

Stop playback while driving on

 

 

 

interrupted.

roads.

rough roads.

 

 

 

 

 

 

 

 

 

 

CD is scratched.

Change the CD.

 

 

 

 

 

 

 

 

 

Connections are incorrect.

Check the cords and

 

 

 

 

connections.

 

 

 

 

 

 

 

•

“NO DISC” appears on the

No CD in the loading slot.

Insert a CD into the loading slot.

 

 

display.

 

 

 

 

 

 

 

 

 

 

 

CD is inserted incorrectly.

Insert the CD correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENGLISH

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Page 18 Page 20
Contents KD-S641 Name/Rating plate How to reset your unitPosition And Reproduction Of Labels Bottom panel of the main unitContents Control panel Location of the ButtonsDisplay window Basic Operations To drop the volume in a momentTo turn off the power Adjust the volumeClock H Clock M Setting the clockFM1 FM2 FM3 Radio OperationsListening to the radio Searching a station automatically Auto searchTune in to a station you want while M manual is flashing When an FM stereo broadcast is hard to receiveSearching a station manually Manual search Select the band FM1 3, AM FM1 FM2 FM3Manual preset FM station automatic preset SSMStoring stations in memory Seconds Tuning in to a preset stationPress and hold the number button This example, 1 for more thanInsert a CD into the loading slot CD OperationsPlaying a CD To stop play and eject the CDTo play back tracks at random Random Play To fast-forward or reverse the trackTo go to the next tracks or the previous tracks To go to a particular track directlyWhile pressing CD, press and hold 0for more than 2 seconds To cancel the prohibition and unlock the CDProhibiting CD ejection To play back tracks repeatedly Repeat PlayBAL Sound AdjustmentsTurning on/off the loudness function BASRecalling the sound modes When SCM Link is set to Link ON, select the sourceSelect the sound mode you want Selecting and storing the sound modesRepeat the same procedure to store other sound modes AdjustmentsCall up the sound mode you want to adjust To adjust the bass or treble levelOFF Other Main FunctionsLevel SCM Link Detaching the control panel ConnectorsAttaching the control panel Preset stations stored TroubleshootingSymptoms Causes Remedies Unit. The clock settingHandling discs MaintenanceLW Tuner SpecificationsUsable Sensitivity MW TunerHaving Trouble with operation? Voordat u aan de montage van het apparaat Sicherstellen, daß das Gerät am Fahrwerk geerdet wird HinweisRemarque Be sure to ground this unit to the car’s chassisRouge Vers borne accessoire du porte-fusibleVue à partir du côté des fils Câblage originalUnd am Verstärker anschließen. Die Disconnect the speakers from this unitConnect them to the amplifier. Leave Speaker leads of this unit unused. Cover

KD-S641 specifications

The JVC KD-S641 is a versatile and feature-rich car stereo system, designed to enhance your in-car audio experience with cutting-edge technologies and user-friendly functionality. This model is part of JVC's impressive lineup of car audio solutions, focused on delivering stellar sound quality and convenient connectivity options to drivers.

One of the standout features of the KD-S641 is its ability to support various audio formats, including MP3, WMA, and AAC. This ensures that you can enjoy your favorite music without worrying about compatibility issues. The stereo also boasts a built-in CD player, allowing you to play your cherished CDs while on the go. Additionally, the front USB port and auxiliary input facilitate easy connection to external devices, such as smartphones, tablets, or USB flash drives, making it simple to access a wide range of audio content.

In terms of sound processing, the JVC KD-S641 incorporates a powerful 24-bit digital-to-analog converter (DAC) that delivers clearer and more detailed audio reproduction. Users can tailor their listening experience with the built-in equalizer, which features multiple preset sound modes and a customizable graphic equalizer. This feature allows for precise tuning of audio frequencies to match individual preferences or the acoustics of different vehicles.

Another notable characteristic is the KD-S641's Bluetooth capability, which enables hands-free calling and wireless music streaming. This functionality not only promotes a safer driving experience by reducing distractions but also expands your music playback options by allowing you to stream audio directly from your connected devices. The device supports A2DP and AVRCP profiles, ensuring compatibility with a wide range of Bluetooth-enabled devices.

For those who enjoy listening to the radio, the JVC KD-S641 is equipped with a built-in AM/FM tuner with RDS (Radio Data System). This feature provides access to a multitude of radio stations with enhanced information display, making it easy to find and enjoy your favorite broadcasts.

The design of the KD-S641 emphasizes user convenience and visibility. Its bright, multi-color LCD display ensures that information is easy to read, even in bright sunlight. The user interface is intuitive, allowing for quick access to settings and features, enhancing the overall user experience.

Overall, the JVC KD-S641 combines robust audio performance, modern connectivity, and thoughtful design, making it an excellent choice for car enthusiasts looking to upgrade their in-car entertainment system. Whether you’re a casual listener or an audiophile, the KD-S641 provides the tools necessary to transform your driving experience.
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