33
Troubleshooting (Continued)
Problem
Check item
The picture is
not sharp.
• The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna is facing the correct direction.
• Make sure the outside antenna has not been disconnected.
The picture
moves.
The picture
is doubled or
tripled.
• Make sure the antenna is facing the correct direction.
• Broadcast waves may be refl ected from adjacent mountains or buildings.
The picture is
spotted.
• There may be interference from automobiles, trains, high-voltage lines, neon lights, etc.
• There may be interference between the antenna cable and power cable. Try positioning
them further apart.
There are stripes
on the screen or
colours fade.
• Is the unit receiving interference from other devices?
Transmission antennas of radio broadcasting stations and transmission antennas of
amateur radios and cellular phones may also cause interference.
• Use the unit as far apart as possible from devices that may cause possible interference.
Antenna
Problem
Check item
Reference
page
There is no image.
• Make sure the RGB cable is properly connected.
• Make sure the output signal of the PC and the input signal setting of
the LCD TV set are matched.
• Some software prohibit video playback on an external display when
playing back a video with a notebook PC. This is not attributable to a
problem with the LCD TV set.
29
30
–
There is no sound.
• Make sure the PC audio cable is properly connected.
• Check if the mute function activates, or if the volume is set to minimum.
29
11
The text is blurred.
• Adjust “CLOCK” and “PHASE” using the FINE SYNC. menu.
30
The image is not displayed in the
center of the screen.
• Adjust “H-POS.” and “V-POS.” using the FINE SYNC. menu.
30
PC
LC-20AX7X̲E.indb 33
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2006/10/11 15:55:47
