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Re: HTR-5850 crackles between Dolby Digital and Pro Logic...
This is most likely a problem with the receiver. When this type of thing starts to happen it is most often a problem on the DSP board of a receiver. Sometimes it can be fixed by reflowing the solder on the right IC's of that board, but sometimes it requires the replacement of one or more IC's. Many service centers will just try to replace the entire DSP board because troubleshooting the DSP board is a very difficult task and can take many hours of testing and checking parts resulting in a huge labor cost. Unless you are very good with soldering and electronic troubleshooting you should really just take it to a authorized service center near your home. I am sorry there is no quick fix for this. If there was, I would have surely told you. I have been repairing home theater receivers since they started making them and have never seen an easy fix for this type of problem.
Let me know if I can be of any further help to you. Just so you know, finding out what the problem is with your equipment is worthy of a FixYa! rating. The FixYa! rating is not just for getting your equipment fixed, if it were, not many experts here would ever receive a FixYa! because electronics can rarely be fixed by just pressing a button or something simple like that. And it would also require that the people asking these questions had all the right tools and equipment as well as the knowledge to identify parts and problems to help in the repair since we can not be in your home to see it for our self.
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HI, There are so many audo formats like
Dolby Digital Decoding, Dolby Digital EX Decoding, Dolby Pro Logic Decoding, Dolby Pro Logic II, Dolby Pro Logic IIX Decoding, dts 96/24 Decoding, dts Decoding, dts NEO:6 Decoding and dts ES Decoding Stereo etc. What ever the AVR get a digital input It will decode the format and convert the same While it in the Auto format mode. If auto format is not selected it will convert the same in to stereo.
Please don't panic and think that there is anything wrong with your Yamaha receiver. A lot of people are having this problem with set top box reception. Time lag / phase differences caused by satellite transmission can make your Receivers digital decoders go nuts !!!.The working principal is too complex to explain on this page. I have had clients call up and say on some channels only one speaker works in a 5.1 setup !!!!.You noticed DD and DTS signals are working fine.
What do you mean by "sound programming"? -- I guess it's the ability to change the sound processing, such as from Stereo to Dolby Digital, or to Dolby Pro Logic or Virtual Surround, etc.? Maybe there's a "Direct" or "Pure" or "Tone Control Defeat" button that was pushed, which often (or always!) bypasses all the sound-processing circuits? Check the front panel and/or your remote for such a button and try that. If it's a DVD player, it may be that the audio connections were accidently pulled or changed. Assuming it's the latter (more likely): Either the digital/analog output setting of the DVD player or the setup of the receiver could have been changed. Next, this is a guess, but most likely, it is the receiver that was tweaked -- in order to listen to some other source (such as the tuner), and it is no longer set up to process the digital signal, but stays in analog mode -- AND there's no analog audio connection from the DVD player (or it was not set-up to output analog to the receiver, since the preferred signal is digital surround). Am I getting warm?
PCM mode will not output dobly digital, use the digital cable connection, not RCA cables, set DVD audio output menu to Dolby digital or DTS. On DVD software menu setup select audio then Dolby Digital 5.1 or Dolby Surround.
You may need to set up the receiver for your speaker configuration. There should be a setup menu on the receiver, and that will allow you to tell the amp what speakers you are using, and what inputs you are connecting what devices to. You may also need to set your DVD player, cable box and TV for the audio stream you want to use. PCM or Bitstream to be more precise. Also make sure that the sound output is set to Dolby Pro Logic or Dolby Digital and the input signal is in stereo or surround.
The indicator is telling you you have a 2-channel input. You may have the Blu-Ray connected wrong. Or the source is only Stereo. I need more details to assess that.
The sound coming from all speakers is normal if you have any surround mode selected, regardless of the characteristics of the source
I imagine if you experiment you might find all speakers playing for any number of 2-channel sources, not just Blu-Ray. Besides actual Pro Logic decoding, the various surround modes can provide some interesting effects on non Dolby Surround material.
I recommend that you try them all on various recordings and you may find one or another of them preferable over vanilla stereo. I find that any given artist or music type, even within a given CD, may sound 'better' with different surround settings.