Question about Onkyo TX-DS575 Receiver

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PCM vs Dolby Digital

I just updated my system and am now a bit confused. The old hook up would display a red bordered "Dolby Digital" box when playing DVD or recieving the proper signal via the cable box. The new set up has a LCD 46" 630 Samsung series TV. I have an HDMI cable from the cable box to the TV, an HDMI cable from the BluRay to the TV and an optical cable from the TV to the TX DS575 reciever. I no longer get the red box, I now get "PCM Digital" and Dolby Pro Logic" displayed together only. Is this typical, good, bad? I have not been able to find any info on this.

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  • brooks11b Dec 10, 2008

    Same problem here, just hooked up a blue ray with fiber optic.

  • mvera Dec 24, 2008

    Same Problem and bitstream didn't help

  • Bone_Daddy Dec 25, 2008

    Same problem here. I believe the microprocessor is out and needs to be replaced.

  • Anonymous Jan 23, 2009

    I've got the same problem.... my Magnavox BD has a coax into my receiver and now only displays the PCM Digital along with the Pro Logic.

  • Anonymous Mar 22, 2014

    Problems hooking my RCA RTD3131 E Dolby digital to my Samsung Led series 6

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OK, I just figured this out. Go to the audio options in your DVD player and switch from pcm to bitstream. Now my movies sound right again.

Posted on Dec 10, 2008

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1. Press MENU to display the MENU screen,
and then press c/d to select "Digital
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