SEVIT Co. Ltd. LT-30FMP 用户手册

 

 

27

 

 

No picture on screen and 
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 

POWER/Standby indicator is red.) 

No picture/No picture from 
AV terminal 

• Check the brightness setting of the display. 
• 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. 

• 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. 

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.