Troubleshooting - JVC LV42740-001A Instructions Manual

Additional information

Troubleshooting

What appears to be a malfunction may not always be serious. Please go through the following list before requesting
service.
Symptom
Power does not come on.
Remote control does not work.
The TV/VIDEO - CANCEL, CURSOR or
numeric buttons do not work.
No picture is displayed on the
monitor.
Picture is noisy or blurred.
No audio is reproduced.
No audio is reproduced when playing
back a DVD disc recorded with High-
sampling (88.2 kHz or more) linear
PCM audio using the DIGITAL OUT
jack.
There is no sound.
NO AUDIO is displayed.
Sound is distorted or noise is
generated.
Picture does not fit the television
screen.
Operation is not possible.
The carousel does not move.
The display window does not light.
When the STANDBY/ON
indicator on the front panel is lit in
green.
70
Possible case
Power plug is not inserted securely.
Too far from the unit.
The tip of the remote unit is not pointed in
the right direction.
Batteries are exhausted.
Battery polarity is incorrect.
The TV - DVD switch is not correctly set.
Connection of video cable is incorrect.
Input selection of TV is incorrect.
Disc is not playable.
The Progressive scan mode is set to ON
though the unit is connected to a TV via
the VIDEO OUT jack.
The unit is connected to a VCR directly
and the copyguard function is activated.
With some discs, a picture may be blurred
"
when setting the PROGRESSIVE MODE
" " " "
to FILM or AUTO .
Connection is incorrect.
Input selection of amplifier is incorrect.
The audio signal is not derived from the
unit's DIGITAL OUT.
The disc has been illegally copied.
Disc is dirty.
MONITOR TYPE is not correctly set.
Television is not correctly set.
Microcomputer malfunction due to
lightning or static electricity.
Moisture condensation caused by a
sudden change of temperature or
humidity.
The system malfunctions.
An alien substance is jammed on the
carousel.
The brightness of the display window is
set to "off" .
Remedy
Plug in securely.
More closer to the unit.
Point the infrared light- emitting window
toward the remote sensor on the front panel.
Replace the batteries with new ones.
Take out the batteries and insert them again in
the correct direction.
To control the unit, set the TV - DVD switch to
" "
DVD . To control your TV, set the TV - DVD
" "
switch to TV .
Connect the cable correctly.
Select correctly.
Use a playable disc. (See page 15.)
Set the Progressive scan mode to OFF . (See
page 18.)
Connect the unit so that the picture signal
flows directly to the TV.
"
"
Set the PROGRESSIVE MODE
Check the connections.
Select correctly.
Use the AUDIO OUT when playing back such
discs.
Consult with disc vendor.
Wipe the disc surface.
Select monitor type correctly. (See page 59.)
Set the television correctly.
Turn off the power and unplug the power
cord, then connect the power cord again.
Turn off the power, then turn it on a few hours
later.
Press the STOP button or turn off the power.
Change the brightness of the display window.
(See page 52.)
" " "
to VIDEO .