JVC XV-D721BK manual Troubleshooting, Symptom Possible cause Remedy

Models: XV-D721BK

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Additional

information

 

 

Additional information

Troubleshooting

What appears to be a malfunction may not always be serious. Please go through the following list before requesting service.

Symptom

Possible cause

Remedy

 

 

 

 

Power does not come on.

Power plug is not inserted securely.

Plug in securely.

 

 

 

 

Remote control does not work.

Too far from the unit.

More closer to the unit.

 

 

 

 

 

 

The tip of the remote unit is not

Point the infrared light- emitting window

 

 

pointed in the right direction.

toward the remote sensor on the front panel.

 

 

 

 

 

 

Batteries are exhausted.

Replace the batteries with new ones.

 

 

 

 

 

 

Battery polarity is incorrect.

Take out the batteries and insert them again

 

 

 

in the correct direction.

 

 

 

 

The TV/VIDEO-CANCEL,

The TV-DVD switch is not correctly

To control the unit, set the TV-DVD switch to

CURSOR or numeric buttons do

set.

“DVD”. To control your TV, set the TV-DVD

not work.

 

switch to “TV”.

 

 

 

No picture is displayed on the

Connection of video cable is

Connect the cable correctly.

monitor.

incorrect.

 

 

 

 

 

 

 

Input selection of TV is incorrect.

Select correctly.

 

 

 

 

 

 

Disc is not playable.

Use a playable disc. (See page 12.)

 

 

 

 

 

 

The SCAN MODE is set to “525p”

Set the SCAN MODE correctly.

 

 

though the unit is connected to a TV

 

 

 

via the VIDEO output jack.

 

 

 

 

Picture is noisy or blurred.

The unit is connected to a VCR

Connect the unit so that the picture signal

 

 

directly and the copyguard function

flows directly to the TV.

 

 

is activated.

 

 

 

 

 

 

 

With some discs, a picture may be

Set the “PROGRESSIVE MODE” to “VIDEO”.

 

 

blurred when setting the

 

 

 

“PROGRESSIVE MODE” to “FILM”

 

 

 

or “AUTO”.

 

 

 

 

No audio is reproduced.

Connection is incorrect.

Check the connections.

 

 

 

 

 

 

Input selection of amplifier is

Select correctly.

 

 

incorrect.

 

 

 

 

No audio is reproduced when

The audio signal derives from the

Use the ANALOG AUDIO OUT when playing

playing back a DVD disc

unit's DIGITAL AUDIO OUT.

back such discs.

recorded with high-sampling

 

 

(88.2-kHz or more), linear PCM

 

 

audio.

 

 

 

 

 

Sound is distorted or noise is

Disc is dirty.

Wipe the disc surface.

generated.

 

 

 

 

 

Picture is garbled.

The screen saver mode is set to

Set the screen saver mode to the other mode.

 

 

“MODE 1”, and the screen saver

 

 

 

function is activated.

 

 

 

 

Picture does not fit the television

“MONITOR TYPE” is not correctly

Select monitor type correctly. (See page 41.)

screen.

set.

 

 

 

 

 

 

 

Television is not correctly set.

Set the television correctly.

 

 

 

Operation is not possible.

Microcomputer malfunctions due to

Turn off the power and unplug the power

 

 

lightning or static electricity.

cord, then connect the power cord again.

 

 

 

 

 

 

Moisture condensation occurs by a

Turn off the power, then turn it on a few

 

 

sudden change of temperature or

hours later.

 

 

humidity.

 

 

 

 

 

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Page 54
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JVC XV-D721BK manual Troubleshooting, Symptom Possible cause Remedy