VIEWSONIC VS12280-1A - Manual (Page 38)

Other information
ViewSonic 33 N3290w/N4290p/ N4790p
Troubles Shooting
Please contact ViewSonic service team directly if you have questions, service
needs, or require technical assistance related on the use of your television.
Contact ViewSonic Service Team at:
http://www.viewsonic.com.au/support/
Or call our service team:
Australia: 1800 880 818,
Problem Possible Solution
No power z Make sure the power cord is properly connected LCD
TV AC power socket.
z Make sure the AC power cord is properly connected to
the wall outlet.
z Make sure the DC power button is ON (Blue LED)
z Plug another electrical device (like a radio) to the
power outlet to verify that the outlet is supplying the
proper voltage.
No picture z The TV station may be experiencing problems. Try
another channel.
z The Cable TV signal may be scrambled or encoded.
Please contact your local cable operator.
z Make sure that connection to other components are
correct referring to the user guide.
z Make sure that setup has been done correctly
after connections.
z Make sure the correct input is selected and the input
signal is compatible.
Strange Colour, light
colour, or colour
misalignment z Ensure that the video cable is securely connected.
z The picture may appear dim in a brightly lit room.
z Adjust brightness, contrast, saturation (colour), and tint
referring to the user guide.
z Check the input signal setting.
No sound z Check your audio connections are properly connected
referring to the user guide.
z The MUTE button may have been pressed, try
pressing this button again.
z Check your audio settings, your TV audio may be set
to minimum.
z Press the Volume + (Up) button on the remote control.