20
Trouble Checks
TV Trouble Checks and Adjustments
TV will not turn on
Controls don’t work
Intermittent or no remote
Turns off while playing
Turns on unexpectedly
Blank screen
No sound, picture okay
Can’t select certain channel
No picture, no sound
Sound okay, picture poor
Picture okay, sound poor
Improper color in one or more areas of
the picture
Closed captioning doesn’t work
• Check to make sure it is plugged in.
• Check the wall receptacle (or extension cord) to make sure it is “live” by plugging in
something else.
• Maybe batteries in remote are “dead”. Try using the POWER button on TV.
• Maybe remote control was not aimed at remote sensor.
• Try unplugging set for 15 minutes and then turning it on again.
• Maybe something is between the remote and the remote sensor.
• Maybe batteries in remote are weak or dead. Try replacing batteries.
• Maybe batteries are installed incorrectly. Try replacing batteries correctly.
• Remove batteries and hold down one or more buttons for several seconds. Install the
batteries and try remote.
• Sleep Timer function may be activated.
• If TV turned on because of alarm, it will automatically turn off after one hour.
• Electronic protection circuit may have been activated because of a power surge. Wait
30 seconds and then turn on again. If this happens frequently, the voltage in your
house may be abnormally high.
• Alarm function may be turned on.
• Try another channel.
• Maybe sound is muted. Try pressing VOL up button to restore sound.
• If headphones are connected, sound from TV speakers will be muted.
• Channel may not be in channel memory. Try using number buttons.
• If using VCR, check to make sure TV/VCR switch on VCR is in correct position.
• To select cable-TV channels over 99 (up to 125), press and hold number button 1 until
1— appears on the screen. Then press the other two numbers.
• If watching VCR (connected through antenna input), make sure TV is tuned to channel
3 or 4–same as CH3/CH4 switch on VCR. Also check to make sure TV/VCR switch
on VCR is in correct position.
• Check antenna connections.
• Try adjusting SHARPNESS function to improve weak signals.
• Try another channel.
• Try unplugging set for a minimum of 15 minutes and then turning it on again. For
best results you should place the set in the position you will be watching it before you
plug it back in.
• Make sure closed captioning is turned on to either C1 or C2.
• Closed captioning appears on the screen only if the program being broadcast has
closed captioning.
