Sharp LC15B2UB LC-13B2UB LC-15B2UB LC-20B2UB Operation Manual - Page 42

TROUBLESHOOTING (Continued) Antenna Problem The picture is not sharp. 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 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. I 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) 41