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JVC KD-SX949, KD-SX940 manual Troubleshooting, Symptoms Causes Remedies

Models: KD-SX940 KD-SX949

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ENGLISH

TROUBLESHOOTING

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

 

 

 

Symptoms

 

Causes

 

 

 

 

Remedies

 

 

 

 

 

 

 

 

 

 

 

 

 

• CD cannot be played back.

CD is inserted upside down.

Insert the CD correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

• CD sound is sometimes

You are driving on rough roads.

Stop CD play while driving on

 

 

 

 

interrupted.

 

 

 

rough roads.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CD is scratched.

Change the CD.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connections are incorrect.

Check the cords and

 

 

 

 

 

 

 

 

connections.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Sound cannot be heard from

The volume is set to the

Adjust it to the optimum level.

 

 

 

 

the speakers.

minimum level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connections are incorrect.

Check the cords and

 

 

 

 

 

 

 

 

connections.

 

 

 

 

 

 

 

 

 

 

•

SSM (Strong-station

Signals are too weak.

Store stations manually.

 

 

 

 

Sequential Memory)

 

 

 

 

 

 

 

 

 

 

 

 

 

automatic preset does not

 

 

 

 

 

 

 

 

 

 

 

 

 

work.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Static noise while listening to

The antenna is not connected

Connect the antenna firmly.

 

 

 

 

the radio.

firmly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• “NO DISC” appears on the

No CD is in the loading slot (or

Insert CD.

 

 

 

 

 

display.

in the magazine).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CD is inserted incorrectly.

Insert it correctly.

 

 

 

 

 

 

 

 

 

• “RESET 8” appears on the

This unit is not connected to a

Connect this unit and the CD

 

 

 

 

display.

CD changer correctly.

changer correctly and press the

 

 

 

 

 

 

 

 

reset button of the CD changer.

 

 

 

 

 

 

 

 

• “RESET 1-RESET 7” appears

 

 

 

Press the reset button of the

 

 

 

 

on the display.

 

 

 

CD changer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• CD can be neither played

The CD player may function

Press CD and SEL at the same

 

 

 

 

back nor ejected.

incorrectly.

time for more than 2 seconds.

 

 

 

 

 

 

 

 

(“PLEASE EJECT” appears on

 

 

 

 

 

 

 

 

the display.) When you open the

 

 

 

 

 

 

 

 

control panel by pressing 0, be

 

 

 

 

 

 

 

 

careful not to drop CD when it is

 

 

 

 

 

 

 

 

ejected.

 

 

 

 

 

 

 

 

 

 

 

 

 

•

This unit does not work at all.

The built-in microcomputer may

Press

 

 

 

 

and SEL at the

 

 

 

 

 

 

•

The CD changer does not

function incorrectly due to noise,

same time for more than 2

 

 

 

 

work at all.

etc.

seconds to reset the unit. (The

 

 

 

 

 

 

 

 

clock setting and preset stations

 

 

 

 

 

 

 

 

stored in memory are erased.)

 

 

 

 

 

 

 

 

(See page 35.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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JVC KD-SX949, KD-SX940 manual Troubleshooting, Symptoms Causes Remedies
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KD-SX940, KD-SX949 specifications

JVC has long been a prominent name in the audio equipment market, consistently delivering high-quality products packed with innovative technologies. The JVC KD-SX949 and KD-SX940 models are no exception, showcasing an array of features designed to enhance the driving experience through superior sound and connectivity options.

The JVC KD-SX949 is a powerful single-DIN receiver that stands out for its dynamic sound quality and versatility. One of its main features includes a built-in MOSFET amplifier that delivers 50 watts per channel, providing ample power to drive speakers and deliver crisp, clear sound. The receiver also supports multiple audio formats, including MP3, WMA, and AAC, allowing users to enjoy their favorite tunes without compromise.

In addition to excellent audio performance, the KD-SX949 boasts advanced Bluetooth technology. This feature enables hands-free calling and audio streaming directly from compatible devices, making it easier for drivers to stay connected while on the road. The receiver supports a wide range of Bluetooth profiles, ensuring compatibility with a variety of smartphones and portable media players.

The JVC KD-SX940 offers similar capabilities, with a primary focus on user-friendly navigation and control. It features a bright LED display that provides clear visibility day or night. The rotary volume control and intuitive interface make it easy to adjust settings and switch between sources while driving.

Both models include a USB input, allowing users to connect flash drives or smartphones to access their music library easily. This functionality also supports charging capabilities for devices, ensuring that users can keep their smartphones powered up on long journeys. Furthermore, they come equipped with a 3-band parametric equalizer, enabling consumers to customize their audio experience to their unique preferences.

The KD-SX949 and KD-SX940 also feature a powerful radio tuner with support for AM/FM bands, providing access to local radio stations. The built-in presets and automatic station search facilitate quick tuning to favorite channels.

Overall, the JVC KD-SX949 and KD-SX940 offer a perfect blend of sound quality, advanced connectivity, and user-friendly features. With their robust designs and impressive technologies, these models cater to audio enthusiasts looking to elevate their in-car listening experience. Whether it's through streaming, USB playback, or radio, these receivers promise to deliver exceptional sound quality and convenience for a seamless driving experience.