Runco PL-50XA - Manual (Page 32)

TROUBLESHOOTING
SYMPTOM CHECKS REMEDY
Mechanical sound is heard. • Maybe the sound from the cooling fans used to prevent overheating.
The unit emits a crackling sound. • Are the images and sound normal? • If there are no abnormalities in the image and sound, the noise is
caused by the cabinet reacting to changes in temperature. This will
not affect performance.
Picture is disturbed.
Sound in noisy.
Remote control operates erroneously.
• Is a connected component set directly in front or at the side of the
display?
• Leave some space between the display and the connected
components.
The remote control does not work • Are the remote control’s batteries worn out? • Replace both batteries with new ones.
Monitor’s power does not turn on when
the remote control’s power button is
pressed
• Is the monitor’s power cord plugged into a power outlet? • Plug the monitor’s power cord into a power outlet.
• Are all the monitor’s indicator’s off? • Press the power button on the monitor to turn on the power.
• Are the remote control’s batteries worn out? • Replace both batteries with new ones.
Monitor does not operate when the
remote control’s buttons are pressed.
• Is the remote control pointed at the monitor, or is there an obstacle
between the remote control and the monitor?
• Point the remote control at the monitor’s remote control sensor
when pressing buttons, or remove the obstacle.
• Is direct sunlight or strong artificial light shining on the monitor’s
remote control sensor?
• Eliminate the light by closing curtains, pointing the light in a
different direction, etc.
• Are the remote control’s batteries worn out? • Replace both batteries with new ones.
No sound or picture is produced. • Is the monitor’s power cord plugged into a power outlet? • Plug the monitor’s power cord into a power outlet.
Picture appears but no sound is
produced.
• Is the volume set at the minimum? • Increase the volume
• Is the mute mode set? • Press the remote control’s MUTE button.
• Are the speakers properly connected? • Connect the speakers properly.
• Is AUDIO INPUT set correctly? • Set AUDIO INPUT on the AUDIO menu correctly.
Poor picture with Video signal input. • Improper control setting.
Local interference.
Cable interconnections.
Input impedance is not correct level.
• Adjust picture control as needed.
Try another location for the monitor.
Be sure all connections are secure.
Poor picture with RGB signal input • Improper control setting.
Incorrect 15 pin connector pin connections.
• Adjust picture controls as needed.
Check pin assignments and connections.
If the picture quality is poor or there is some other problems, check the adjustments, operations, etc., before requesting service.
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Tint is poor or colors are weak. • Are the tint and colors properly adjusted? • Adjust the tint and color (under PICTURE ADJUST).
Nothing appears on screen. • Is the computer’s power turned on? • Turn on the computer’s power.
• Is a source connected? • Connect source to the monitor.
• Is the power management function in the standby or off mode? • Operate the computer (move the mouse, etc.)
Part of picture is cut off or picture is not
centered.
• Is the position adjustment appropriate? • Adjust the IMAGE OPTIONS properly.
Image is too large or too small. • Is the screen size adjustment appropriate? • Press the ASPECT button on the remote control and adjust
properly.
Picture is unstable. • Is the computer’s resolution setting appropriate? • Set to the proper resolution.
POWER/STANDBY indicator is lighted
in red.
• Horizontal and / or vertical sync signal is not present when the
Auto Off control is on.
• Check the input signal.
POWER/STANDBY indicator is blinking
in red.
• The temperature inside the main unit has become too high and has
activated the monitor.
• Promptly switch off the power of the main unit and wait until the
internal temperature drops. See *1.
POWER/STANDBY indicator is blinking
in green and red, or green.
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• Promptly switch off the power of the main unit. See *2.
*1 Overheat Protector
If the monitor becomes too hot, the overheat protector will be activated and the monitor will be turned off. If this happens, turn off
the power to the monitor and unplug the power cord. If the room where the monitor is installed is particularly hot, move the monitor
to a cooler location and wait for the monitor to cool for 60 minutes. If the problem persists, contact your Runco Authorized Dealer.
*2 In the following case, power off the monitor immediately and contact your Runco Authorized Dealer or Runco Authorized Service
Center. The monitor turns off 5 seconds after powering on and then the POWER/STANDBY indicator blinks. It indicates that the
power supply circuit, plasma display panel or temperature sensor have been damaged.