54ReferenceNo sound, picture okay• Maybe sound is muted. Try pressing volume up button to restore sound.• Maybe 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’sL and R INPUT jacks.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.Noisy stereo reception• May be a weak station. Use SOUND button to change to mono mode instead of stereo.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 VCR (connected only through antenna input), make sure TV is tuned to channel 3 or 4 – same asCH3/4 switch on VCR. Also check to make sure TV/VCR switch on VCR is in the correct position.Sound okay, picture poor• Check antenna connections.• Try adjusting sharpness function to improve weak signals.Black box appears on the screen• Captioning may be turned on. Check the Closed-Caption Display control panel in the Channel menu.G-LINK Cable not working• Check to make sure the wands are positioned correctly.• GUIDE Plus+ system control of cable box is slower than direct control of the box itself. Keep this in mind whenchanging channels.Incorrect GUIDE Plus+ System channel map• The guide may get out of sync with the cable provider. Use setup to change the zip code to 99999. Turn the TVoff for ten minutes. Use setup again to change the zip code to the correct value. Be sure to select the correctlineup if asked.