Question about Sony STR-DE575 Receiver

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STR-DE575:hear backround sound but no voice in multi channel mode

Receiver = Sony STR-DE575; watching and listening to TV show "Bones" in Fox HD channel on AT&T; during commercials, all is ok, then the voice disappears when the show comes on. had the same problem when watching a DVD using the XBOX 360. I am using the optical input from both the TV receiver and the XBOX.

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  • jcuonze Jan 04, 2009

    I have the same problem, and I've been reading online that it may be a cracked/cold solder joint(s) on the Main Board that you would just have to re sodder

    Fix on a Sony STRSE501

  • Anonymous Mar 01, 2009

    When I watch DVD's the voices are really low compared to the background sound. It is set to normal surround.

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6 Suggested Answers

SOURCE: sony receiver optical sound "unlock" str-de898

Just fixed it, The Optical cable wasnt properly plugged in on the other end.

Found the fix here:
http://esupport.sony.com/US/perl/model-home.pl?mdl=STRDE945&LOC=3

Posted on Mar 29, 2008

SOURCE: Receiving "Unlock" message and "Not Used" on my reciever

The HDMI inputs are pass through inputs only. The reciever cannot recieve any sound signals through the HDMI's. The reciever acts as a selector switch for the HDMI inputs. Whatever input you have selected on the reciever is the one that is being sent through the output to your TV. The "unlock" display shows when there is no sound signal sent to the reciever. There is no code to unlock. This is the reciever's way of telling you that there is no sound being sent to it from that input. Since there is no sound being processed from the HDMI's, you need to hook up an additional audio cable from the device to the reciever (preferrably an optical cable). When the reciever recieves an audio signal, it will then "unlock" and you will get sound. The only purpose for the HDMI jacks on this reciever is to give you a bonus HDMI jack so you only have to use one on your TV. I know it is confusing. I had to look into this problem myself, so I'm happy to help. Higher end recievers will actually recieve and process sound signals from the HDMI's.

Posted on Feb 06, 2009

  • 92 Answers

SOURCE: goes into protect mode..

you probly have speaker wires arching. unplug them and replug thm in making sure no bare wire is showing

Posted on May 20, 2009

mlapres
  • 757 Answers

SOURCE: Sony STR-DG510 hook up with BDP-S560 no sound

The Sony manual for this receiver is not wrong, it is just a little misleading.
It does in fact use HDMI but ONLY for the HIGH DEFINITION video portion of the signal, as output from the receiver to your television. High Definition Multimedia interface carries both audio and video, however, your receiver is not decoding the high definition AUDIO portion of it and passing it through the HDMI, nor is it passing any form of multichannel audio through HDMI. So you can see why the receiver is no longer available for sale from the Sony website. The HDMI connection on your receiver is redundant unless you are not using a multichannel audio format, in which case you would be using either the TV speakers or connect an additional audio cable from the TV's "audio out" back into the receiver for external speakers.
All that should be done is use the HDMI cable from your blu-ray player connected directly to your TV. That will give you your picture, and possibly a better one since the receiver will no longer be in the signal path.
Then connect either a coaxial or optical cable from the blu ray player to the receiver for your audio. You will then be able to have Dolby Digital and DTS surround formats.
Your service person was wrong.

Posted on Jan 18, 2010

Testimonial: "Thank you excellent report spot on with the hook-up. Will buy new receiver. John McMullan."

Grubhead
  • 4585 Answers

SOURCE: Center Channel not working

First of all check that it has not got switched off somehow. After that, what I would do is trace the wires back (inside the unit) from the center speaker connector. This will take you back to the output semi-conductors for that channel. I would suspect these first, you might even see damage! You should anyway be able to look the numbers up on the net. If they are cheap I would replace them anyway. If that doesn't work I suggest you hunt down the service manual, it might have suggestions in it.

Posted on Apr 08, 2010

  • 336 Answers

SOURCE: The audio on my sony

Probably bad solder connections on the output relays.

Posted on Feb 06, 2011

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When trying to watch a dvd through a blu ray player, the background sound is coming in loud and clear, however when the main actors talk, their voices are not coming through.


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Goes into protect mode..


you probly have speaker wires arching. unplug them and replug thm in making sure no bare wire is showing

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Hi The first thing to do is disconnect the red and white audio cables from the back of the receiver, and plug them directly into the tv. If you then have sound from the DVD, then you have eliminated the possability of no audio coming out of the DVD player. If the DVD player checks out fine, then I would try plugging the jacks into another aux input on the receiver, and select that and see what happens. Also, if there is a "tape monitor" button on your Sony, make sure it is turned off. I'll assume the receiver has sound from other functions, so it would be rare for one of the inputs to just stop working, (but certainly not impossible), I'm not familiar with that model, and normally I would say it could just be a dirty selector switch, but since you mentioned having a remote, then switching between inputs is done by the microprocessor, not a physical switch, so if you cannnot get sound through using another input, then it could be expensive to repair. Hope this helps, and good luck!

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1 Answer

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Yes Mark, You have a problem with a componet with that center channel. If your not a tech, dont have a schematic, or dont have any training in troubleshooting solid state electronics, unhook everythuing and take it into a repair senter for an estimate, as unless you know how to chech the parts you can cause more damage to the unit as it takes one slip and boom, all gone. Good Luck

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