User's Manual
Troubleshooting
Remote Control
If, after reading these operating instructions, you have additional questions related to the use of your television, please call the
local services center in your area.
Before calling the service center, please check the symptoms and follow suggested solutions.
Problem Possible Solutions
Remote control does not operate
! The batteries could be weak. Replace the batteries.
! Check the orientation of the batteries.
! Make sure the power cord is plugged in.
Video and Audio
Problem Possible Solutions
No picture (screen not lit),
No sound
Dark, poor or no picture
(Screen lit), good sound
No color/dark picture/color
is not correct
Dotted lines or stripes
! Make sure the power cord is plugged in.
! Press POWER on the display or on the remote control.
! Select a proper picture mode.
! Adjust the brightness in the video setting.
! Adjust the color saturation in the video setting.
! Move the display away from noise sources such as cars, neon signs, or hair dryers.
Good picture, no sound
! The sound may be muted. Press the MUTE button to restore the sound.
Audio noise
! Communication problems may occur if infrared communication equipment
(e.g., infrared cordless headphones) is used near the display. Move the infrared
communication equipment away from the display until the noise is eliminated.
General
Problem
Possible Solutions
Some items can’t be accessed
! If a setting option appears in gray, this indicates that the settings option is
unavailable in current input mode.
Control buttons do not operate
! Disconnect the power cord and wait for a few seconds. Then re-plug the power
cord and turn on the unit again.
Note: If your problem is not solved, turn your unit off and then on again.
Cautions: Never attempt to repair a defective display yourself.
17
HDMI 1
HDMI 2
USB
Ser vice on ly
USB
TOUCH
RS-232 1
RS-232 2