PDP-5040HD Digital Audio Optical port does not work
The Digital Audio Optical port doesn't seem to be working? I have my DirectTV connected to the HDMI port and my XBox connected to the other HDMI port. I want to connect a sound bar via the Digital Audio Optical port but when I do there is no sound?
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Having looked at the TV, you will have a lot of problems trying to connect to that amp. The TV has a digital optical out output only. The disc player you mentioned will also be out only. You need a optical "in" for them both. The TV has no analogue out sockets. The only chance you might get any sound out is via the scart socket. If that is fully wired, then the scart might produce L&R analogue out. A scart plug with RCA connections (make certain it has both audio in and out) might produce some sound for the amp.
Otherwise no chance!
The amp you have was not made to work with digital signals. The TV will produce high quality Dolby 5.1 sounds. Assuming you get the scart to produce the sound, then you will only get stereo sound, little better than the TV itself!
I therefore recommend you get a decent digital amp that you connect all your future devices too. One that has HDMI connectors as well as at least two optical inputs.
Onkyo make some excellent models. For example this model would do the job Onkyo TXSR444 Home Cinema Receiver.
The nature of whatever is on the upstream side of a digital signal is invisible to the device at the other end of the cable. Bits is bits, as we say. The undefined 'satelite to optical audio' device is probably at fault or not set right. PLUS, on theOnkyo you have to assign digital inputs. Read the manuals.
I don't have a direct solution but I am having the same problem when connecting (1) my Apple TV (2) my Blu-Ray player, etc. via HDMI. I also have a digital camera that puts out HDMI, and when I hook it up, I get the same story -- video only, no sound through the optical digital output of the TV receiver.
I am guessing that the HDMI inputs were an afterthought on this model, especially since the printed manual doesn't even show or mention the HDMI inputs at all! So my guess is that the TV's receiver does not convert the sound from the HDMI to the optical digital output. It does, however, send the amplified HDMI sound to the stereo speaker outputs on the monitor. It appears that only the digital tuner's 5.1 sound comes out on the optical digital output.
This is what I have observed, for what it's worth.
Receiver just receives the audio data over optical digital cable and processes it. It is up to the DirectTV box what will send to receiver (if stereo or some Dolby Digital for example). You can check the format (decoder, no. of channels, bitrate) of current audio signal after pressing Option button on remote and choosing Signal Info menu.
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