JVC DLA-RS4800 Manuel D'instructions page 72

5
Troubleshooting
Before sending the unit to your authorized dealer for repair, please
check the following points.
The following situations are not malfunctions.
■
You do not need to worry about the following situations if there is no abnormality on the
screen.
● Part of the top surface or front of the unit is hot.
● A creaking sound is heard from the unit.
An operating sound is heard from the inside of the unit.
●
● Color smear occurs on some screens.
■
Perform the following operations when the unit is unable to operate normally due to external
static or noise.
① When the unit is in standby mode, please pull out the power plug, then insert again.
② Press the power button on the unit to turn on the power again.
■
A sound may be heard when the lamp is off but there is no danger.
■
D-ILA device is manufactured using high-precision technology but there may be some missing
pixels or pixels that remain permanently lit up.
Power is not supplied
Is the power cord disconnected?
Is the lamp cover properly shut?
Is the lamp in Cool Down
mode?
Video image does not appear
Is the correct external input
selected?
Is the AV device properly
connected?
Is the power of the AV device
turned on?
Are the correct signals being
output from the AV device?
Is the setting of the input
terminal correct?
Is the video image temporarily
hidden?
Remote control does not work
Are batteries installed
correctly?
Are batteries exhausted?
Is there an obstructive object
between the remote control
and remote sensor?
Is the remote control held too
far away from the unit?
72
Others
Insert the power cord (plug) firmly.
Remove the power plug when the unit is
in standby mode and close the lamp cover
properly. After that, insert the plug again.
After the Cool Down mode is complete, turn
on the power again.
Select the correct external input.
Connect the AV device properly.
Turn on the power of the AV device and play
the video.
Set the AV device properly.
Set "COMP." and "HDMI" in the setting menu
according to the input signal.
Press the [HIDE] button to display the video
image again.
Match the polarities (
inserting the batteries.
Replace with new batteries.
Remove any obstructive objects.
Hold the remote control closer to the sensor
when using.
or ) correctly when
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