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Not all cable channel's sound come through digital coax output on a Pioneer VSX 516. Help?
The coax digital sound out from the cable box is going into the digital coax input of the a Pioneer VSX-516-K receiver. Sound comes out only on some of the channels. NBC, ABC, and some others won't come through, but C-span and some others do. When I add the analog cables, the receiver switches to the analog inputs on the chanels I don't hear on digital. It still stays digital on the rest. I could live with the switching, but the digital out channels are 10db louder than the analog channels. Also, my dvd recorder's sound outut is connected via digital coax. It passes sound from a factory disk, but not from a disk that recorded a program on a channel that I can't hear through the cable box's digital out. Any idea what is happening and how to fix this? Obviously I would like all the sound to come through the coax. Thanks.
2 Answers
- 1 decade agoFavorite Answer
The one drawback to digital cable boxes is that the digital coax out is normally just set to stereo output. They don't broadcast much in 5.1 except for through a fiber optic output, its actually rare to find a digital cable box with a digital coax out. My old box did and I had the same problem, when I contacted the cable company about it (Comcast) they told me that was all it provided and the Dolby Digital logo was on the box but not supported by them. But if I went to an HD Box it was. I have since switched to DirecTV, but that's another story. Off of a digital cable box, you're best best is fiber optic if available because most of the digital coax outputs are only set for stereo. You can put your 816 in Dolby Pro Logic II or IIx mode and it will simulate surround sound, but not true surround. You may want to contact your cable company about getting a box with a fiber optic output on it, that could alleviate everything.
Hope that helps.
Source(s): I have been working in consumer electronics for ten years, and now I travel the country doing training for big box home theater employees and represent 10 of the top home theater vendors in the industry. If you have some other questions you can check out my new blog at http://thehometheaterhero.blogspot.com/ - 1 decade ago
Most TV channels are broadcasted in Stereo.So even if you use a digital cable,you will get 2 channel audio
