Connecting DVD to HDTV Comcast Cable (Denon DVD-2910)

[qanda]This thread is about the Denon DVD-2910. Click here to see full specs[/qanda]We connected this DVD player to our Sony KLV-S26A10 and our comcast cable box and there is no sound.

You really need to give more info. How did you connect it; what cables did you use? If component or DVI cables, you need to connect audio cables too. Do you go thru a home theater receiver? If you go direct to the TV with HDMI, you should have sound.