Question about Onkyo TX-DS676 Receiver

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TX-DS676 5.1 digital processor

My reciever has problems with digital processing. Everything works fine in stero mode but any of the digital modes, DTS, Dolby 5.1, etc cause nothing but loud static. It used to be an occastional problem, and I even sent it off durring the warranty period to be looked at. Of course they found nothing and could not duplicate the problem. Now it does it constantly and I can no longer use any of the digital outputs. I have tried differnt optical cables in both of the optitcla cables and different coax in the coax digital input. Nothing seems to work.

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Re: TX-DS676 5.1 digital processor

This is a strange problem this is it seems everyone I know that has had this problem the manufacture can't seem to find it. For the static I've never found a way to get rid of it completely only minimise it to tolorable levels and it doesn't always work. Pull the system down to separate components ie main unit speakers and soforth, pull the caseing off the main unit and blow out with aircompressor, blow out all inputs and outputs, check all in and outputs are tight on unit and replace all speaker looms. This sometimes works and it is a good idea to clean speakers as well seeing as there there off the unit hope this works for you. Seems to be a common (none existent) problem with these units I believe it to be the capacitors they use in it but not sure which one yet.

Posted on Jul 25, 2008

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I have a tx-sv454 reciever and i need to know how to hookup my pioneer dynamic expander ex-9000 and a pioneer dynamic processor rg-60 and my cd player all together

I can't find an image of the rear panel but I have a low-rez manual for the TX-SV434, which should be pretty close. I can't make out the labeling on the RCA connections.

Let's simplify this. The CD just goes into the CD input.

You can either use the two (if present) Tape or Video In/Out loops for the individual processors, or you can run them in series with each other on one Tape Loop.

I don't imagine you really want to use both Dynaic Range processors together, so each one's Bypass function would take it out of the path if so desired.

The following is some boilerplate I made up that should explain some usage limitations.

Be advised that the engagement of any device in a Tape Monitor loop on a late-model Audio/Video Receiver will effectively tie the receiver down to stereo-only analog sound reproduction. I'll explain.

The connections themselves are fairly simple but it pays to understand what happens in the loop.

In general, any Line-Level external processor (EQ, dynamic range expander, etc) will go into a Tape Monitor loop on a receiver. A Tape Monitor, when engaged, sends the stereo analog signal Out to the Processor, massages it and returns it to the receiver via the Tape Monitor IN connectors to be passed on to the receiver's internal processes (volume, tone, whatever).

Old school analog stereo-only receivers consistently work this way. Newer digital and audio/video receivers introduce a couple of problems: 1) digital sound processing to simulate a variety of soundfields; 2) multiple output channels, either discrete or digitally-generated.

The latter requires that whatever signal is being processed experiences a maximum of one analog-digital-analog conversion.

EVERYTHING analog coming into the modern digital receiver is automatically converted to a digital signal for internal processing unless you choose a STEREO-only or STEREO-Direct setting. Consequently, no further external analog-digital conversions would be allowed if, say, a Tape Monitor circuit was activated, and a possible feedback loop could otherwise be created in a digital-sourced selection (output to its own input), so the unit is wired to treat the Tape Monitor as the first analog step in the process and defeats any pure digital sources.

In a multichannel unit, what would happen to the other channels if you sent ONLY the Front Left & Right out for processing? They would NOT be processed. That logical problem also plays into the decision to defeat digital sources if the Tape Monitor is activated. I don't totally agree with the engineers but that's the way it is. Nature of the digital beast.

Okay, back to the hook-up: Receiver Tape- or VCR Out to the External Processor (EQ, whatever) Preamp-, Amp-, Tape- or Rec-In; Receiver Tape- or VCR In from the External Processor (EQ, whatever) Preamp-, Amp-, Tape- or Rec-Out.

If you actually want to use an analog recording deck you could place it within the typical Equalizer's own Tape Monitor loop(s). Many have two to facilitate equalized dubbing between decks.
[Or you could obtain a dbx Program Route Selector (check eBay, I highly recommend the 400x, of which I have two) and it would, while only using one receiver Tape Loop, allow for three discrete attachment paths for processors and three for tape decks with the added flexibility of front-panel selection of any and all, with the processors being before, after or between the source or tape decks. Plus it has a dedicated facility for an inline dbx Noise Reduction Processor that can also be juggled around via pushbuttons. Pretty neat.]

Aug 08, 2010 | Onkyo TX-SV454 Receiver

2 Answers

Remote doesn't operate reciever

Hello Fixya customer,

Thank you for your question.

Please determine if the "Audio" button is actually working.... after pressing the audio button, can you still control the DVD, if not then the remote has switched to the Onkyo. Although, this is not 100% conclusive, unless you have a 2nd remote to test the Onkyo with, it provides a sound basis to proceed.

Assuming the remote is transmitting and the IR receiver on the front of the Onkyo is not otherwise blocked, likely faults include the IR receiver, input to the Micro processor, and the Micro processor.

The most probable fault is the IR receiver.

Thank you for using Fixya, and if I can help you further, please let me know.

Apr 29, 2010 | Onkyo TX-DS575 Receiver

1 Answer

No sound in listening modes except pure audio and direct. Was working fine and just stopped one day. Connections are all good. Surround sound seems to be broken?

Check the input mode on the reciever so that they are set for dual, rather than just digital or analog. It might be set for analog and your using a digital optical in cable. Also make sure DTS mode is turned off, unless your watching a DVD that is dts enabled.

Aug 06, 2009 | Onkyo TX-SR804 7.1 Channels Receiver

4 Answers

Onkyo TX-SR705 - No Audio - Flashing HDMI

The posabilities is power amplifier on your reciever is bad,
replays reciever or repair it.More likely this is IC amplifier located on the main board of the reciever

Apr 15, 2009 | Onkyo TX-SR705 Receiver

1 Answer

TX-SR304 AV receiver

If you put DVD with Dolby Digital soundtruck it will show on your TX-SR304 Dolby Digital mode, and if you have DVD with DTS mode it will show DTS

Jan 17, 2009 | Onkyo TX-SR304 Receiver

1 Answer

Abrsvcs HELP still out there?

Sorry about the delay, I did not see this posting.

The other speaker configs utilize the surround processing section. In stereo, the surround processor is bypassed. Based upon your brief description, I would think that the surround processing section is producing DC voltage which is detected by the output section forcing the unit into protect mode. This is not a problem that is easily diagnosed remotely. One thing to chech, if you can, is the power regulators on the surround board. Make sure that the solder connections are good. If they are OK, then I would suggest that you get a detailed estimate from a local service shop. Report the results here and we'll work through the actual repair.


Jan 08, 2009 | Onkyo TX-SR605 Receiver

1 Answer

Amp protection mode

Disconnect everything from the amp except the power cord, then power on the amp. If the receiver still shuts down, your problem is inside the case and unless you can perform electronic repair yourself you will probably need to take it in for service. If it does not shut down with nothing connected, power it off, connect one speaker or component and power on again. Repeat the process until the amp shuts down and you may have found the bad speaker or other component.

Jan 01, 2009 | Onkyo TX-SR503 Receiver

3 Answers

Onkyo TX-DS575X, remote intermittend malfunction

You have to raplace IR sensor PIC-26043TE2 or similar and should help.

Oct 08, 2008 | Onkyo TX-DS575 Receiver

2 Answers

Onkyo TX-DS484 Receiver

Did you set all your parameters (see manual, page 15)? After that, you can then also change the levels of each speaker (page 16) also.

Feb 12, 2007 | Onkyo TX-DS484 Receiver

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