OperationManual

Table Of Contents
Troubleshooting
Before sending the unit to your authorized dealer for repair, please check the following points.
The following symptoms are not malfunctions.
You do not need to worry about the following symptoms if there is no abnormality on the screen.
0
The side and rear surface of the main unit is partially hot.
0
A creaking sound is heard from the unit.
0
An operating sound is heard from the inside of the unit.
0
Color smear occurs on some screens.
This unit is a digital device. This unit may become unable to operate normally due to external static or noise.
Perform the following operations when such malfunctions occur.
A
During Standby mode (the power plug is inserted into the outlet, but the power is not turned on), pull out the power
plug and then insert it again
B
Press the C [ON] button on the remote control to turn on the power again
Power is not supplied
Check Action Refer to
Is the power cord disconnected? Insert the power cord (plug) firmly. P. 17
Is the lamp in the Cool-down mode? After exiting the Cool-down mode, turn on the power again. P. 18
Power shuts down automatically
Check Action Refer to
Are the air inlets and exhaust vent
blocked?
Leave proper clearance when installing the unit. P. 10, 11
P. 14
Video image does not appear
Check Action Refer to
Is the power turned on? Check that the power is turned on. P. 18
Is the correct external input selected? Select the correct external input terminal. P. 18
Is the power of the AV device or PC
turned on?
Turn on the power of the AV device or PC and play the
video.
P. 15
Is the AV device or PC properly
connected?
Connect the AV device or PC properly. P. 15
Are the correct signals being output from
the AV device or PC?
Set the AV device or PC properly. P. 15
Is the cable in use an HDMI-certified
cable?
Use an HDMI-certified high-speed cable. Also, use as
short a cable as possible.
P. 15
Is an intermediate device (AV amplifier,
divider, etc.) in use?
Change the sequence of turning on the source device,
intermediate
device
and this unit. And after turning on each
device, ensure that the signal output is stable before
turning on the next device.
P. 15
Is an old source device in use? Change the resolution setting of the source device. For
details on how to change the setting, please refer to the
instruction manual of the source device.
Is the video image temporarily hidden? Press the [HIDE] button P. 18
Is the image adjusted to the bottom
position using the lens shift function?
Return the lens shift to an appropriate position. P. 19
47
Troubleshooting