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Reference
Black box appears on the screen
• Captioning may be turned on. Check the Closed-Caption Display control panel in the Channel menu.
No sound, picture okay
• Maybe the sound is muted. Try pressing the volume up button to restore sound.
• Maybe the speakers are turned off. Check the Audio Output and Speakers control panel in the Audio menu.
• If using an S-VHS component, remember to also connect the component’s L and R AUDIO OUT jacks to the TV’s L and R
INPUT jacks.
• Check the INT/EXT switch on the back of the monitor
Can’t select certain channel
• Channel may be blocked or not approved in the Parental Controls menu.
• If using a VCR, check to make sure the TV/VCR switch on the VCR is in the correct position.
Turns off while playing
• 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 or low.
Noisy stereo reception
• May be a weak station. Use Audio menu to choose mono sound.
No picture, no sound but TV is on
• Maybe the cable/air function is set to the wrong position.
• Maybe a vacant channel is tuned.
• If watching a VCR (connected only through antenna input), make sure your TV is tuned to channel 3 or 4—the same as
the CH3/4 switch on your VCR. Also check to make sure the TV/VCR switch on your VCR is in the correct position.
Sound okay, picture poor
• Check antenna connections.
• Try adjusting sharpness function to improve weak signals.