ViewSonic N3251W, User Manual

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ViewSonic N3251w 30
ENGLISH
Troubleshooting
No power
• Make sure the LCD TV is properly connected.
• Make sure the AC power cord is properly connected.
• Make sure the AC power is ON, DC power button is ON (Green LED).
• Plug another electrical device (like a radio) to the power outlet to verify that the outlet is
supplying the proper voltage.
Poor or no picture
• The TV station may be experiencing problems. Try another channel.
• The Cable TV signal may be scrambled or encoded. Please contact your local cable
operator.
• Make sure that connection to other components are correct.
• Make sure that setup has been done correctly after connections.
• Make sure the correct input is selected and the input signal is compatible.
Strange color, light color, or color misalignment
• Ensure that the video cable is securely connected.
• The picture may appear dim in a brightly lit room.
• Adjust brightness and contrast.
• Check the input signal setting.
No sound
• Check your audio connections
• The MUTE button may have been pressed, try pressing this button again.
• Check your audio settings, your TV audio may be set to minimum.
• Press the (Up) button on the remote control.
Remote control unit does not operate
• Make sure batteries are inserted correctly.
• Batteries could be weak or dead. Replace batteries.
• Is a fluorescent light illuminated near the remote control sensor?
• The path of the remote control beam may be blocked. Make sure the path is clear and that
the remote control is aimed at the remote control sensor on the TV.
• Press only one button at a time and it is the correct one for the operation you want to
perform.
Unit cannot be operated
• External influences such as lightning or static electricity may cause improper operation.
In this case, operate the unit after first turning on the power of the LCD TV and the AVC
System, or unplug the AC cord for 1 to 2 minutes, then replug again.
Power is cut off suddenly
• Is the sleep timer set?
• The internal temperature of the unit has increased. Remove any objects blocking the vent
or clean as necessary.
No CATV reception (or no reception above CH13)
• Is the AIR/CABLE option set correctly? Please set the AIR/CABLE option to CABLE.
• CATV is connected improperly or not connected; please check all the CATV connections.
• The cable TV service is interrupted; please contact your cable operator.
Picture is cut off/with sidebar screen
• Is the image positioned correctly?
• Are screen mode adjustments such as picture size set correctly?