Sharp Aquos LC 20B1U - Manual (Page 53)

52
Antenna
Problem Check item
• The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna is facing the right direction.
• Make sure the outside antenna is not disconnected.
The picture is
not sharp.
TROUBLESHOOTING (Continued)
The picture
moves.
The picture is
doubled or
tripled.
• Make sure the antenna is facing the right direction.
• There may be reflected electric waves from 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
colors 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.
■ Use in hot and cold rooms (locations)
• When the unit is used in a low temperature rooms (location), the picture may leave trails or appear slightly
delayed. This is not a malfunction, and the unit will recover when the temperature returns to normal.
• Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight
or near a heater, as this may cause the cabinet to deform and the LCD panel to malfunction.
(Storage temperature: –20°C to +60°C)
LC-20B1U-GBpp48-58 02.2.21, 4:39 PM 52