JVC UX-QD7M, LVT1220-002A Troubleshooting, Problem Possible cause Possible solution Reference

Page 80

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

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Contents UX-QD7W For hiding the demonstration display, refer toImportant for Laser Products / 镭射产品的重要说明 Front view Side viewTable of Contents Listening to Other Equipment MDsCleaning the Main Unit Suitable Locations for the Main UnitCondensation Listeners EtiquetteDiscs that cannot be played back Playable Disc TypesDiscs you can play MP3/WMA Jpeg discs Disc StructureAbout MP3/WMA/JPEG discs Selecting the Color System Supplied Accessories Safety precautionsWhen condensation or water drops adhere to the lens Special CautionsRemote control sensor Cassette holder MD slot 25, 43Inserting Batteries into Remote ControlRemote control operation Operating the TV Using the Remote Control Setting the manufacturers codeFor TV operation Press and release Press number buttons 1-9Connecting the Antennas Connecting the AM antennaSet up the AM antenna supplied ConnectionsConnecting the FM antenna Connecting the Speakers Connecting Other Equipment Connecting with digital equipmentConnecting with a TV When a Clearer Picture Is DesiredConnecting by using the S-video cord Connecting by using the component video cordConnecting the Power Plug Demonstration display functionResuming the demonstration display Hiding the demonstration displaySetting the Clock Adjusting the clockDisplaying the clock while using the main unit Basic OperationsAdjusting the Volume Adjusting the Sound QualityTurning On/Off the Main Unit Emphasizing Heavy Bass Sound AHB PROYou can adjust the color intensity within the range of 0 to Initial settingComponent color Numerical value of the selected component color flashesSetting the AM Tuner Spacing Listening to Radio BroadcastsSelecting a Radio Station Press repeatedly to select FM or AMStoring Radio Stations Preset Tuning In to a Preset Radio StationChanging the Display in the Display Window Entering radio station namesBasic Operations of the DVD Player PlaybackPress on the main unit Place a disc on the disc trayDisplay for DVD Audio Display for CDDisplay for VCD/SVCD While a disc is being played back One Touch ReplayWhile a disc is being played back or stopped Pausing Playback Stopping PlaybackResuming Playback Resume Advancing Picture Frame by FrameSlow Motion Playback Skipping to the Beginning of a TrackSelecting a Track from the Menu Screen While a disc is stopped or being played backConvenient Functions of the DVD Player Selecting the AudioPress Audio Wait for a few seconds or pressCanceling the subtitle Selecting the SubtitleSelecting a View Angle Magnifying the Picture ZoomAdjusting the Picture Quality Creating Realistic Sound 3D PhonicAdjusting Playback Level DVD Level Enjoying Better PicturesWhile the disc is played back or paused Select the level while listening to the sound played backPlaying Back the Bonus Browsable Still Pictures Group Press the number buttons to enter a pin code 4 digitsPlaying Back the Disc Desired Order Program Playback Press the number buttons or to program chapters TracksWhile a disc is stopped Display for DVD AUDIO/MP3/WMAConfirming programmed content Canceling program playbackCanceling random playback Random PlaybackFor CD/VCD/SVCD Repeat PlaybackFor DVD Audio Using the Status Bar and Menu Bar Status Bar and Menu BarFunction list Information displayed on the status barDesignate the Time Time Search Canceling A-B repeat playbackPlaying Back the Designated Part Repeatedly Repeat Playback Playing Back MP3/WMA and Jpeg Discs Insert a discPress to select a group Press to move to the track list Example Display windowPress to select a track Press or Slide-show playbackExample Display during playback Each time you press , the repeat type is changedPreferences Basic OperationsAudio Country/Area Codes Language Codes Insert a cassette tape Press repeatedly to select the reverse modeListening to Cassette Tapes Listening to Cassette Tapes English Adjusting the sound input level Listening to Other EquipmentInsert an MD Listening to MDsListening to MDs Canceling group playback Group Playback of an MDPress repeatedly to select Group Press or to select a groupCanceling the program playback Program PlaybackConfirming the programmed track order Erasing all the programmed tracksCanceling the random playback Searching TitlesEnter the title you want to search Example While Repeat ALL is selectedSearching another track or group title Quitting the title searchRecording Sound to MDs Recording All Tracks from a Disc to an MDWhen recording DVD AUDIOs/MP3s/ WMAs Quitting RecordingRecording Only One Track from a Disc Program Recording from a DiscCD-R/CD-RW/DVD Audio recording LP indicator settingChanging the display in the display window during recording Select a sound source Insert an MD for recordingEach time you press , the dis- play toggles as follows Example Display while FM radio broadcast is recordedPress to select the reverse mode You can change the reverse mode during recordingRecording Sound to Cassette Tapes Preventing recorded sound from being erasedRecording with No Blank Time between Tracks Recording Only One Track from a Disc or MDProgram Recording from a Disc or MD While tracks from a disc or MD are being recorded While a radio broadcast FM/AM is Being recordedEnter a title using the number buttons Giving Editing TitlesThings You Should Know about Editing Giving Editing TitlesPress on the main unit to eject the MD Entering TitlesAvailable Characters Editing Tracks Dividing a Track into TwoTracks Divide Press repeatedly to select DIVIDE?Joining Tracks Join Moving a Track MovePress repeatedly to select JOIN? Press repeatedly to select MOVE?Erasing a Track Erase Tracks, and then pressPress repeatedly to select ERASE? Press repeatedly to select ALL ERASE?Editing Tracks by Group Forming a Group Form GRPress repeatedly to select Form GR? Example Forming tune A, tune B and tune C into a groupAdding a Track to a Group Entry GR Dividing a Group into Two Groups Divide GRPress repeatedly to select Entry GR? Press repeatedly to select Divide GR?Joining Groups Join GR Moving a Group Move GRPress repeatedly to select Join GR? Press repeatedly to select Move GR?Canceling a Group Canceling a specified group Canceling all groups Ungr ALLPress repeatedly to select UNGROUP? Press repeatedly to select Ungr ALL?Erasing a Group Erase GR Press repeatedly to select Erase GR?You can erase a group including all tracks in the group Example Erasing groupUsing the Timers Sleep TimerRecording Timer Changing the sleep timer settingPress or to select the Mdlp mode When the main unit is on, press To turn off the main unitWhen you want to record an FM/AM radio broadcast Starting time and ending timePlayback Timer Canceling the recording timerActivating the recording timer again Prepare the sound source you want to play backCanceling the playback timer function Activating the playback timer againPress Press or to adjust the playback volume Sound source you want to play backCanceling auto standby Canceling the disc/MD ejection lockAuto Standby Auto standby performanceUsing AV Compu Link Connection and SettingOperations Carefully read manuals of equipment to be connectedHigh Speed Copy Management System Hcms Restrictions on MDsSerial Copy Management System Scms Handling Discs/MDs/Cassette Tapes MD/Disc Messages MD message MeaningTroubleshooting Problem Possible cause Possible solution ReferenceSpecifications MD/DVD receiver CA-UXQD7Speaker SP-UXQD6 Micro component MD system UX-QD7Victor Company of Japan, Limited

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.
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