52TROUBLESHOOTING

ENGLISH

The screen image looks abnormal.

Problem

Resolution

Is the screen position wrong?

yy D-Sub analog signal - Press the AUTO button in the remote control to

 

automatically select the optimal screen status that fits into the current

 

mode. If adjustment is not satisfactory, use the Position OSD menu.

 

yy See if the video card resolution and frequency are supported by the

 

product. If the frequency is out of range, set to the recommended

 

resolution in the Control Panel Display Setting menu.

Do thin lines appear on the

yy D-Sub analog signal - Press the AUTO button in the remote control to

background screen?

automatically select an optimal screen status that fits into the current

 

mode. If adjustment is not satisfactory, use the Clock OSD menu.

Horizontal noise appears or the

yy D-Sub analog signal - Press the AUTO button in the remote control to

characters look blurred.

automatically select an optimal screen status that fits into the current

 

mode. If adjustment is not satisfactory, use the Phase OSD menu.

The screen is displayed

yy The proper input signal is not connected to the signal port. Connect

abnormally.

the signal cable that matches with the source input signal.

 

yy There may be a poor signal transmission occurring intermittently

 

between the external device and LG monitor set. Disconnect the

 

signal cable and then reconnect it. Turn the external device or the LG

 

monitor set off and then on again.

When setting the resolution

yy Restart the external devices while the LG monitor is powered on.

for external devices, some

After restarting the external devices, check if the resolution values are

resolution values are not shown

displayed correctly.

correctly in the resolution

 

settings screen.

 

After-image appears on the product.

Problem

 

Resolution

After-image appears when the

yy If you use a fixed image for a long time, the pixels may be damaged

product is turned off.

 

quickly. Use the screen-saver function.

The audio function does not work.

 

 

 

 

Problem

 

Resolution

No sound?

yy See if the audio cable is connected properly.

 

yy Adjust the volume.

 

yy See if the sound is set properly.

Sound is too dull.

yy Adjust the Clear Voice ll, Treble and Bass appropriately.

 

 

Sound is too low.

yy Adjust the volume.

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LG Electronics 72WX70MF owner manual Screen image looks abnormal, After-image appears on the product