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Author Thread: Motorola DCT5100, no digital audio
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New member
Username: Drdave

Post Number: 1
Registered: Jul-06
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Just had comcast install new HD service. The Motorola DCT5100 does not output anything my Denon Receiver recognizes on the Optical or Coax digital outputs. After searching around, I find out this is an older used box, not happy with that. The installer and the help desk seem to think it is my setup. My showing them that I plug the optical in m DVD player, sound.. move to the DCT5100, no sound and an error light on the Denon.. they were confused as we were still watching the DVD onscreen.. sigh..

So.. I have poked around and the audio setup is advanced and matrix, and I actually changed all of the settings, none work.

I looked at firmware version 08.14 so that seems up to date..

Any advice out there? I have a service call for next Wednesday, I want a newer box, but they will not promise that..
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Silver Member
Username: Formerly_fx

Dallas, Tx

Post Number: 135
Registered: Mar-06
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Press either menu or settings on your remote and go to the audio settings. You will be able to change the digital outputs for either DD or PCM.

xvxvxvx
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New member
Username: Drdave

Newport Beach, CA

Post Number: 5
Registered: Jul-06
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Either I am missing it, or it is not available..

Audio setup has
Default Audio Track - English
Optimal Stereo - Yes
Audio Output - Advanced
Compression - None (also tried Light and Heavy)
Stereo Output - Matrix

that is all there is..

But I do belive that this is probably the problem.. just not able to change on the 5100.. hopefully they will bring a new model that might have the option..
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Silver Member
Username: Formerly_fx

Dallas, Tx

Post Number: 139
Registered: Mar-06
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My audio setup menu has:

Vol Level
Analog Output
Digital Output
Loop-Through

If I scroll to the Digital Output setting my choices are:

Dolby Digital
Linear PCM

What cable company do you have? Either Cox or Time Warner usually has these same menu settings.
You really should ask for a 6000 series STB if they have one.

One last thought: Are you changing the input to Optical on your receiver? Also some STB's will not output a digital audio signal if you are also connected to an analog audio output.

Good luck,



xvxvxvx
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New member
Username: Drdave

Newport Beach, CA

Post Number: 6
Registered: Jul-06
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I have Comcast. I called Motorola, they said something to the effect it was a provisioning option by my carrier and to call them. I called Comcast again, that was depressing. The gal did not even want to look up anything, just typed notes to place a service call. I already have that..

I also read somewhere that with Comcast you have to ask for Home Theatre feature to be installed at a charge, not sure if that is true, but probably a provisioning option..

I will ask for a DCT6200 and if they do not have one, well, I will have to think about what to do.. I guess tell them I do not want HD then, go into the local store and ask for one.

I am in Orange Co, Calif if anyone has a box that works, drop me a pm.. or here.
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