no sound on rca big screen tv

[don't have one]

have a rca projection big screen and the sound went out, but there is sound if watching a dvd.....could this be a fuse, have the back off, but can
't figure it out.....help

[Guest]

Your question is too generic.
What Model is it? or
What Chassis is it?
Missing audio from the tuner only, can be caused by anything from the audio processing after the tuner to the A/V switching circuit. If you're not a tech, you better take this to a qualified servicer.[/u]