LG M3204CCBA Owners Manual - Page 49

The Screen Image Looks Abnormal, Ghost Image Appears on the Screen

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Troubleshooting The Screen Image Looks Abnormal ● Is the screen position wrong? • D-Sub analog signal - Press AUTO on the remote control to automatically select the optimal screen status that fits the current mode. If adjustment is not satisfactory, use the OSD Position menu. • See if the video card resolution and frequency are supported by the television. If the frequency is out of range, set to the recommended resolution in the Control Panel "Display" Setting menu ● D o thin lines appear in the background? • D-Sub analog signal - Press "AUTO" on the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Clock OSD menu. ● H orizontal noise appears or the characters look blurred. • D-Sub analog signal - Press AUTO on the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the OSD Phase menu. ● The screen is displayed abnormally. • The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal. Ghost Image Appears on the Screen ● A fter-image appears when the set is turned off. • If you display a fixed image for a long time, the pixels may be damaged quickly. Use the screen-saver function. Note • Vertical frequency: To enable the user to watch the set, the screen image should be changed tens of times every second like a fluorescent lamp. The vertical frequency or refresh rate is the times per second the image changes. The unit is Hz. • Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is divided by the horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal frequency. The unit is kHz. 49

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49
Troubleshooting
●
Is the screen position wrong?
●
Do thin lines appear in the
background?
●
Horizontal noise appears or the
characters look blurred.
●
The screen is displayed abnormally.
The Screen Image Looks Abnormal
• D-Sub analog signal - Press AUTO on the
remote control to automatically select the
optimal screen status that fits the current
mode. If adjustment is not satisfactory, use the
OSD Position
menu.
• See if the video card resolution and frequency
are supported by the television. If the
frequency is out of range, set to the
recommended resolution in the Control Panel
"Display" Setting menu
• D-Sub analog signal - Press "AUTO" on the
remote control to automatically select an
optimal screen status that fits into the current
mode. If adjustment is not satisfactory, use the
Clock OSD menu.
• D-Sub analog signal - Press AUTO on the
remote control to automatically select an
optimal screen status that fits into the current
mode. If adjustment is not satisfactory, use the
OSD Phase menu.
• The proper input signal is not connected to the
signal port. Connect the signal cable that
matches with the source input signal.
• If you display a fixed image for a long time, the
pixels may be damaged quickly. Use the
screen-saver function.
●
After-image appears when the set is
turned off.
Ghost Image Appears on the Screen
Note
•
Vertical frequency:
To enable the user to watch the set, the screen image should be
changed tens of times every second like a fluorescent lamp. The vertical frequency or
refresh rate is the times per second the image changes. The unit is Hz.
•
Horizontal frequency:
The horizontal interval is the time to display one vertical line.
When 1 is divided by the horizontal interval, the number of horizontal lines displayed
every second can be tabulated as the horizontal frequency. The unit is kHz.