Troubleshooting – VIEWSONIC VS12276-1G User Manual
Page 22
ViewSonic
N2690w
20
Troubleshooting
Symptom Corrective
actions
No power
y
Make sure the LCD is properly connected.
y
Make sure the AC power cord is properly connected.
y
Make sure the AC power is ON, DC power button is ON
(Blue LED).
y
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
y
The TV station may be experiencing problems. Try another
channel.
y
The Cable TV signal may be scrambled or encoded. Please
contact your local cable operator.
y
Make sure that connection to other components are correct.
y
Make sure that setup has been done correctly after
connections.
y
Make sure the correct input is selected and the input signal
is compatible.
Unusual, pale or
inaccurate color
occurs.
y
Make sure that the video cable is properly connected.
y
The image will become blurred in a bright room.
y
Refer to User Guide and adjust the brightness, contrast,
saturation and color.
y
Check the input signal settings.
There is no sound.
y
Refer to User Guide and check that your audio connections
are correct.
y
The Mute button may be pressed, press this button once
again.
y
Check volume settings to see if the volume of your TV is set
to the minimum value.
y
Press the Volume+ (increase) button on the remote control.
Make sure that the batteries are properly inserted.
The remote control
does not function.
y
Refer to User Guide and make sure that the batteries are
properly inserted.
y
The battery power may be inadequate or exhausted. Please
replace the batteries with new ones.
y
Is there fluorescent lighting on the accessory of the remote
sensor?
y
The infrared beam from the remote control is blocked. Be
sure that the path is unobstructed, and the remote control is
over against the remote sensor.
y
Press the Power button on the remote control to see if the
TV is turned on.
y
Press the Menu button on the remote control to see if the
menu is displayed in the screen.
y
Press only one button each time, and this button will
implement the required operation.