RCA 1512786B User Manual page 73

Color tv
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APPENDIX C: Troubleshooting
Blank screen
Maybe the device connected to the input jacks is not turned on.
Try another channel.
Press RESET, in case the picture controls are set too low.
No sound, picture okay
Maybe sound is muted. Try pressing volume up button to restore sound.
Maybe TV's 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 1 jacks.
Can't select certain channel
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 power light 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 as
CH3/4 switch on VCR. Also check to make sure TV/VCR switch on VCR is in 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.
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