Troubleshooting

Problem

Possible cause

Possible solution

Reference

page

 

 

 

 

 

 

 

No sound/video is

Improper connection.

Connect all cords properly.

11

produced.

Headphones are connected.

Disconnect the headphone plug.

8

 

 

 

 

The clock display is

A power failure occurred or the

Reset the clock.

17

flashing.

power plug was disconnected.

 

 

 

The disc is upside down.

Place the disc on the disc tray with

22

 

the letter-printed surface facing up.

Disc playback does not

 

 

 

 

 

 

Leave the main unit turned on, wait

 

start.

Moisture has condensed on the

3

 

lens.

for approximately 1 or 2 hours, and

 

then operate the main unit.

 

 

 

 

 

 

 

 

A certain point cannot be

The disc is scratched or dirty.

Clean or replace the disc.

75

played back properly.

An error occurred on the MD.

Record to the MD again.

51

 

 

 

 

The volume of cassette

The head or capstans are dirty.

Clean the head or capstans.

75

tape playback is low.

 

 

 

 

 

 

 

You cannot record an

The MD/cassette tape is write-

Cancel the write-protection.

55, 75

MD/cassette tape.

protected.

 

 

A radio broadcast cannot

No antenna is connected.

Connect an antenna.

11

be received.

 

 

 

 

 

 

 

A whirring noise is

The main unit is located close to a

Place the main unit away from a TV,

 

TV, computer, or other electric

3

produced.

computer, or other electric appliance.

appliance.

 

 

 

 

 

 

 

 

You cannot set the timer.

You did not set the clock.

Set the clock.

17

 

 

 

 

The timer does not work.

The main unit is turned on.

After setting the timer, turn off the

69, 71

main unit.

 

 

 

 

 

 

 

You cannot operate the

The remote control batteries are

Replace the batteries with new

9

remote control.

running low.

batteries.

 

 

 

 

 

You cannot operate the

 

 

 

main unit with the number

The remote control mode selector

Set the remote control mode selector

17

buttons on the remote

on the remote control is set to TV.

to AUDIO.

 

control.

 

 

 

 

 

 

 

When you turn on the

 

 

 

main unit, a noise comes

The internal cooling fan produces

The noise is not a malfunction. This is

13, 18

out from the rear of the

the noise as it rotates.

to prevent excessive heat.

 

main unit.

 

 

 

 

 

 

 

●If this product does not function properly even after you have implemented the possible solutions given above

Many functions of this product are implemented by microcomputers. If malfunction is caused by thunder or static electricity, or the main unit does not function properly even when you press a button, disconnect the power plug from the AC outlet, wait for a while, and then connect this product again. Then reset the clock.

77

Page 79 Page 81
Page 80
Image 80
JVC UX-QD7M, LVT1220-002A, UX-QD7W manual Troubleshooting, Problem Possible cause Possible solution Reference
Page 79 Page 81

UX-QD7W, UX-QD7M, LVT1220-002A specifications

The JVC LVT1220-002A, UX-QD7M, and UX-QD7W are components of JVC's innovative audio technology, aimed at delivering high-quality sound in a compact form. These devices cater to both casual listeners and audiophiles who appreciate superior audio performance.

The JVC LVT1220-002A functions as a compact speaker system designed to work seamlessly with various JVC audio components. One of its key features is the incorporation of advanced digital signal processing technology, which enhances sound clarity and provides a rich, immersive listening experience. The lightweight design of the LVT1220-002A allows for easy installation in different environments, whether it is for home use or a small professional setup.

The UX-QD7M and UX-QD7W are versatile mini playback systems that provide users with the flexibility to enjoy their favorite music from a variety of sources. Both models offer Bluetooth connectivity, allowing users to stream music from smartphones, tablets, or other compatible devices with effortless ease. This feature is complemented by a built-in USB port and an auxiliary input, making these models highly versatile in terms of source connections.

In terms of audio quality, the UX-QD7M and UX-QD7W are engineered with high-power amplifiers that enhance sound performance across all frequencies. The devices utilize a dual speaker configuration that ensures a balanced audio output, enabling clear vocals and deep bass tones. Additionally, the systems include equalizer presets to customize the sound to individual preferences.

Both models showcase JVC’s commitment to aesthetics, combining sleek designs with a modern finish that fits seamlessly into any interior decor. The user-friendly interface makes it easy for users to navigate through the various settings and features, thus maximizing convenience.

Moreover, the UX-QD7M and UX-QD7W include various playback options, including CD, FM/AM radio, and digital audio playback, ensuring a diverse listening experience. The inclusion of a remote control allows for easy operation from a distance, adding another layer of convenience for users.

Overall, the JVC LVT1220-002A, UX-QD7M, and UX-QD7W exemplify the brand's dedication to delivering exceptional sound quality and user-centric features, making them ideal choices for anyone seeking a compact yet powerful audio system.
Top Page Image Contents