SEVIT Co. Ltd. LT-30FMP ユーザーズマニュアル
27
Troubleshooting
Problem
Check item
No picture on screen and
no sound from speakers
no sound from speakers
• Insert the AC power cord plug securely in AC power outlet.
• Make sure the remote control is not in the standby mode (The
• Make sure the remote control is not in the standby mode (The
POWER/Standby indicator is red.)
No picture/No picture from
AV terminal
AV terminal
• Check the brightness setting of the display.
• Lamp may have malfunction.
• Lamp may have malfunction.
• Make sure a cable with no VIDEO input signal is connected to the S-
VIDEO INPUT terminal.
Picture is displayed, but no
sound from the speakers.
• Check the sound setting.
• Make sure the sound is not muted.
• Make sure a pair of headphones is not connected.
• Make sure the connectors of the optional speaker system are
securely inserted.
securely inserted.
• Make sure the setting of AV OUTPUT terminal
Picture is too light
• Make sure COLOR and CONTRAST settings.
Picture is too dark.
• Make sure BRIGHTNESS setting is not set too low.
• Check to see if BRIGHTNESS setting
• Lamp may have malfunction.
Remote control does not
work.
• Change the batteries.
• Make sure the infrared transmitter window is not receiving strong
light such as light from fluorescent lamps.
No picture from AV OUT
terminal.
• Make sure A/V-IN is not set.
• Make sure the input source other than AV
The picture is not sharp.
The picture moves.
• 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.
• Make sure the outside antenna is not disconnected.
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.
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
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.