Operation Manual

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.

A part of the top or front surface 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

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.

If the unit is in the Standby mode, pull out the power plug, followed by inserting it again

Press the A [STANDBY/ON] button on the main unit to turn on the power again

When “High Altitude Mode” is set to “On”, and “Lamp Power” is set to “High” during 3D mode, the fan will

make louder noise than usual since it is designed to run at high speed in 3D mode.

Power is not supplied

Check Action Refer to

Is the power cord disconnected? Insert the power cord (plug) firmly. p. 24

Is the lamp cover properly shut? If the unit is in the Standby mode, remove the power plug

and close the lamp

cover properly. After that, insert the plug

again.

p. 62

Is the lamp in the Cool-down mode? After exiting the Cool-down mode, turn on the power again. p. 26

Power shuts down automatically

Check Action Refer to

Has “ECO Mode” been configured? Set “ECO Mode” to “Off”. p. 59

Has “Off Timer” been configured? Set “Off Timer” to “Off”. p. 59

Are the air inlets and exhaust vent

blocked?

Leave proper clearance when installing the unit p. 14, 15

p. 19

Is the filter dirty? Clean the filter. p. 64

Video image does not appear

Check Action Refer to

Is the correct external input selected? Select the correct external input terminal. p. 25

Is the power of the AV device turned on? Turn on the power of the AV device and play the video. p. 22

Is the AV device properly connected? Connect the AV device properly. p. 22

Are the correct signals being output from

the AV device?

Set the AV device properly. p. 22

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. 22

Troubleshooting