Question about Sony STR-DE345 Receiver

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No sound out of left or right front channels

I have sound out of center and surrounds

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The most likely cause of this is a bad output relay or relay circuit. Without seeing the unit and testing internal parts, I can not say for sure. If it is the relay, expect a parts cost in the $15 range.

Dan

Posted on Feb 19, 2009

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Surround sound


there are 2 channel modes on your reciever, as well as surround modes, and it sounds like you have changed modes by accident. just open the little door on the front, and take it out of 2 channel mode

Mar 05, 2013 | Denon AVR 2808Ci Receiver

4 Answers

Subwoofer


go to audio set up and configure the system for 5.1 or higher sound output.then only all the speakers ll work

Jan 03, 2008 | Yamaha RX-V640 6.1 Channels Receiver

Tip

How to set up a seven-speaker home theater system


Set up a home theater

How to connect your speakers

In order to deliver surround sound, home theater systems require 5, 6, or even 7 speakers--and that's not even counting the subwoofer. Connecting all those speakers together can be quite a challenge, so here's a quick overview of the basics.

If you don't have an all-in-one, home-theater-in-a-box system, you'll probably need to supply your own speaker cables. There are several different types available--they vary in terms of wire size (or gauges) and termination types. Make sure you pick cable that's a good match for your speakers and receiver. And make sure they're long enough; the rear-channel cables in particular will be stretching all the way around the room.

Once you've selected your system and have all your speakers ready to set up, begin by placing each speaker at or near its intended location. Then, attach the cables to them one by one. After securely fastening one end of the cable to the speaker, connect the other end to the appropriate speaker output on the back of the A/V receiver. Be sure to connect the cable to the correctly labeled output.

For instance, the front-right speaker wire needs to go to the terminal labeled front-right. Also, make sure that each speaker connection is in phase, meaning negative to negative and positive to positive. Otherwise, your system's sound will sound out of whack. Repeat the process for every speaker in your system. Note that the subwoofer uses a coaxial-style RCA cable instead of standard speaker wire.

Once all the wires are connected, you should test the system with several DVDs and CDs, to ensure that everything is in working order.

For our first example, we used an elaborate 7.1-channel system, so it may have 1, 2, or several more speakers than your system. Some systems even employ wireless rear speakers, or virtual surround-surround modes that simulate multichannel experience from 3, 2, or even 1 speaker. And some listeners still prefer good old stereo sound from 2 speakers. No matter what type of speaker setup you prefer, however, the wiring basics remain the same.

How to position surround-sound speakers and a subwoofer
To get the best performance from a surround-sound speaker system, you must install each speaker in the correct location. There are three basic types of surround-sound speaker systems.

  • The 5.1-channel system has five satellite speakers and a subwoofer.

  • 6.1-channel systems have six satellites and a subwoofer.

  • And 7.1-channel systems have seven satellites and a subwoofer.

Start by placing the center speaker either directly above or directly below your TV. The center speaker can be perched atop a direct-view TV or mounted on the wall. Aim the center speaker at ear level.

In most cases, the front-left and front-right speakers can be wall mounted or placed on stands. However, if your speakers have rear-panel bass ports, they should not be wall mounted. Space your front-left and front-right speakers the same distance apart as the distance between your center speaker and your listening position. Position the front-left and front-right speakers no more than two feet above or below the front-center speaker. The tweeters in the front-left and front-right speakers should be roughly at ear level relative to your seating position.

Ideally, the surround-left and surround-right speakers should be mounted on the side walls of your room, slightly behind or parallel to your listening position. If your speakers have rear-panel bass ports, place them on stands instead. If installing the speakers on the side walls isn't practical, you can mount them on the room's rear wall or place them on stands behind your listening position. The surround speakers can be installed up to two feet above the front speakers.

Also, 6.1 surround systems have a back-center speaker. You'll typically mount this on the rear wall of your room, centered behind your seating position. Position the back-center speaker no more than six feet behind the surround-left and surround-right speakers. If your speaker has a rear-panel bass port or if the rear wall is too far behind your seating position, place the back center speaker on a stand instead. The back-center speaker should be installed at the same height as the surround-left and surround-right speakers.

Instead of a single back speaker, 7.1 surround systems use a back-left and a back-right speaker. These, too, are typically mounted on the rear wall of your room. Position the back-left and back-right speakers so that each is approximately aligned with the left and right edges of your listening position. Place the back-left and back-right speakers no more than six feet behind the surround-left and surround-right speakers. If your speakers have rear-panel bass ports,or if the rear wall is too far behind your seating position, place the speakers on stands instead. Install the back-left and back-right speakers at the same height as the surround-left and surround-right speakers.

A subwoofer is the last component of a 5, 6, or 7.1 system. Because bass frequencies are nondirectional, you can place the subwoofer in various locations. You may get the best performance by installing the subwoofer in the front of the room, approximately six inches from the wall. If you want more bass, try placing the sub near a corner in the front of the room.

Connect your DVD player to your A/V receiver--digitally
To hear a movie's soundtrack in surround sound, you must first connect your DVD player to an A/V surround-sound receiver. You'll need to make what is called a multi-channel-compatible connection.

The easiest way to do this is to use a cable that carries a digital signal. There are two digital options: optical and coaxial.

An optical digital connection, also called TosLink, uses pulses of light to deliver a digital signal. According to some experts, one advantage of optical digital connections is that optical cables don't pick up noise, while lower-quality coaxial cables can. Many, but not all, DVD players have an optical output. Most A/V receivers have at least one and usually multiple optical inputs. Plug one end of the optical cable into the DVDs player's optical-out jack. Plug the other end into the receiver's optical input.

Finally, you need to tell your receiver to use the optical connection whenever you switch to the DVD input. This is called assigning the input. Information about this simple process can be found in your A/V receiver's manual.

A second option is a coaxial digital connection. This type of connection is also used for cable TV, but the connectors are different. This type of coaxial cable has an RCA connector. Coaxial cables are less expensive than optical ones. In fact, you can use any old RCA cable to make a coaxial digital connection, and you won't lose any audio quality.

Most, but not all, DVD players, have a coaxial output. Some have coaxial and optical outputs, so you get a choice. Audiophiles argue over which connection is better, but it's very hard to hear the difference. Most A/V receivers have at least one and usually multiple coaxial inputs. Plug one end of the coaxial cable into the DVD player's coaxial-out jack. Plug the other end into the receiver's coaxial input.

Finally, tell your receiver to use the coaxial connection whenever you switch to the DVD input. Again, your A/V receiver's manual will have instructions for assigning an input.

on Aug 13, 2010 | Audio Players & Recorders

Tip

The Best Place to Put Your Surround Sound Speakers


If you can’t feel the vibrations everywhere—in your cheeks, ears, toes—you’re not getting the most from your surround sound system. One easy way to improve surround sound quality is to focus on speaker placement. Crutchfieldadvisor.com has a detailed tutorial, offering such tips as:
  • Place your center channel speaker directly above your TV—centered if possible. Align the front edge with the front edge of your TV screen to reduce distortion caused by sound reflecting and diffracting off the TV’s cabinet.
  • Position your front left and right speakers in front, and at equidistant points to the left and right, of your primary listening spot. Your front speakers should be at a 22°–30° angle with respect to your television.
  • The tweeters should be at ear level when you’re seated.
  • Position surround sound speakers so that they’re ear-level when you’re standing.

on Dec 18, 2009 | Audio Players & Recorders

1 Answer

Need to know the coluar codes of the wires


Front Right speaker: Red
Front Left speaker: White
Center Channel: Green
Left Surround (side): Blue
Right Surround (side): Gray
Left Back Surround: Brown
Right Back Surround: Tan
Subwoofer Line-Level Output (RCA): Purple

hope this helps you goodluck

Mar 18, 2011 | Car Audio & Video

1 Answer

Unable to connect surround sound with a stero player


There is a obvious difficulty here. If you have a stereo receiver then it can't produce surround sound. You must have a surround sound receiver to present true surround sound. If you already do have that then on the back of your Phillips set there are audio outputs. The left and right audio out will be decoded in your surround sound receiver and they will automatically play from your speakers. You should have seven speakers, center channel, left and right front speakers, left and right rear speakers and left and right mid or side speakers. A sub-woofer would be nice too. Best bet is to speak with the store you purchased the set from. They will have that information.

Zashiban

Jun 23, 2010 | Philips Televison & Video

1 Answer

Left surround channel don't work


the problem you have seems to be on programing the master effects to get to it go to main menu and see the distribution and effects you want to hear on you home theather.remember that home surround needs some decoders to send the sound where the images come and its right built in....

Nov 17, 2008 | Denon AVR-887

1 Answer

Surround Sound Center Speaker/Sound Card issue


You need to use a digital interface cable between the sound card and the speakers to get all of the 6 channels to work properly.

Sep 24, 2006 | Inland 58019 ThunderSound 5.1 PCI Sound...

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