Troubleshooting
If you are experiencing any problem with your display, before calling for service, please review the following troubleshooting tips.
There is no picture or sound.
•Is the power cord disconnected? (See page 14.)
•Is the main power switch off? (See page 17.)
•Is the monitor in standby mode (the power LED illuminating in orange)? (See page 17.)
•Make sure correct input mode is selected. (See page 19.)
•If any external equipment is connected, make sure the equipment is operating (playing back).
Remote control does not work.
•Are the batteries inserted with polarity
•Are the batteries exhausted?
•Point the remote control unit toward the monitor’s remote control sensor. (See page 16.)
•Is operation disabled? (See page 28.)
Sound from left and right speakers is reversed.
• Are audio cables connected properly?
There is a picture but no sound.
•Is the sound muted?
•Make sure the volume is not set to minimum.
•Are audio cables connected properly?
•Is AUDIO OUTPUT or SPEAKER correctly set on the SETUP menu? (See page 27.)
Unstable video.
• The signal may be incompatible.
The video from the HDMI input terminal does not appear properly.
•Is the HDMI cable HDMI standard compliant? The monitor will not work with cables that are not standard compliant.
•Is the input signal compatible with this monitor? (See page 45.)
•If an AV signal such as 1920 x 1080i, 720(1440) x 576i, or 720 (1440) x 480i is displayed using the HDMI[PC] input, display problems such as faint colors may occur. Display using HDMI[AV].
The video from the
•Is the input signal compatible with this monitor? (See page 45.)
•Turn off the power to the connected equipment and then turn the power on again.
•If the monitors are connected in a daisy chain, turn off the power to all the monitors connected in a daisy chain and then turn the power on again.
•If an AV signal such as 1920 x 1080i, 720(1440) x 576i, or 720 (1440) x 480i is displayed using the
The video from
•Is the input signal compatible with this monitor? (See page 45.)
Control buttons do not work.
There is no picture.
•Load noises from outside may be interfering with normal operation. Turn off the power and turn it on after waiting at least 5 seconds, and then check the operation.
The monitor makes a cracking sound.
•You may occasionally hear a cracking sound from the monitor. This happens when the cabinet slightly expands and contracts according to change in temperature. This does not affect the monitor’s performance.
It takes a longer time until the monitor starts up.
•When a USB flash drive is connected, it is better to turn the power ON/OFF using the remote control unit. When the power is turned ON using the main power switch with a USB flash drive connected, the monitor startup takes a longer time because the monitor checks USB terminal connection after checking other terminal connections.
A file in the USB flash drive does not play properly.
•Is the file in a supported format? (See page 21.)
The following problems may occur if a
-The file does not play properly.
-Pausing or Move forward/back cannot be performed during playback.
-Abnormal play speed
-Operations cannot be performed during playback
-Playback stops. The player application restarts.
The screen turns black when a file in a USB flash drive is played.
•The screen will turn black if none of the files in the play list are in the USB flash drive. Press INPUT to exit.
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