Question about Yamaha DVX-C300 System

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Two speaker channels not working

Recently the subwoofer fell over on its side. There was no distance from which it fell, rather, it just tipped over. Since that happened the middle and its immediate left side speaker channels have stopped working. All speakers are in good working condition, however, there is no juice coming out of the mentioned channels in the back on the subwoofer. What could the problem be? I am wondering if there is some kind of shock protector or something of the sort in this system.

How can I fix this problem?

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There's no shock protector for sure. perhaps inside the spade connectors or soldered connections(doubtful) came looseto the terminals in back

Posted on Dec 08, 2008

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I have a sony HTDDW7600, i cannot get the dedicated subwoofer amp to work. The fan is running on it, but for some reason the only way i can get it to do anything is to unplug the cable that goes from the...


H?,
You have a very good system...one of the best of SONY..SUB does not get activated automatically especially on STEREO mode.DIRECT STEREO Notes • No sound will be output from the subwoofer.
.your system has Dedicated Power Amplifier for 2 Externally Driven Sub-Woofers (200W RMS x 2)..in order to activate the sub woofer amplifier you need to make a selection on the surround modes while you are switching the modes of the surround you will see the speaker position on the display of receiver as well..if you do not see the sub woofer it wont be activated..Sound Field Program (A.F.D) is a good example to test it..
Take care and please Remember to rate/vote and give me 4 Thumbs Up
for Helping out the Community :)

Hope this helps!

--------------------
Additionally please follow the instruction on your user manual to activate the SUB ,as is follows..

-----------------
BASS-OUT
Low-frequency (bass) signals can be directed to the
subwoofer and/or the front left and right speakers
according to the characteristics of your system. This
setting also determines the routing of the LFE (low-
frequency effect) signals found in Dolby Digital or DTS
sources.
Choices: SWFR (subwoofer), FRONT, BOTH
• Select SWFR if you connect a subwoofer. LFE and
low-frequency signals from other channels are directed
to the subwoofer according to the speaker settings.
• Select FRONT if you do not use a subwoofer. LFE and
low-frequency signals from other channels are directed
to the front speakers according to the speaker settings
(even if you have previously set the front speakers to
SML).
• Select BOTH if you connect a subwoofer and you want
to output low-frequency signals from front channels to
both the front speakers and subwoofer. LFE and low-
frequency signals from other channels are also directed
to the subwoofer according to the speaker settings. Use
this function to reinforce low-frequency signals using
the subwoofer when playing back sources such as CDs.

Jun 23, 2011 | Sony MUTEKI HTDDW1600 Theater System

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 | Home Theater Systems

1 Answer

I have direct tv and only 3 out of the 6 speakers work. the Front 2 and the subwoofer only work. How can i get all 3 to work with my TV


DirecTV broadcasts in stereo, which uses the front 2 and the subwoofer. There should be a program option to switch to either 7 channel or 5 channel stereo. Select that.

Mar 06, 2011 | Samsung HTC550 Theater System

1 Answer

I recently picked up the THC-c60 system without the supporting amplifier. Can I still use the subwoofer and the speakers without the amp? I note that it also came with a DIN cable, is there some way to...


You can use the sub-woofer and the speakers even without a supporting amplifier. The sub-woofer alone is powered with 167w per channel enough to power all the speakers. The DIN cables used to connect the sub-woofer to any source device like a computer, multi-media projector and others.

Dec 02, 2010 | JVC TH-C60 System

1 Answer

I have a problem with my samsung ht-up30 home theather system. When i turn it on it only shows "PROTECTION" and turns itself off right after that. How to fix it? Regards!!!


The amplifier has a bad channel, or is bad itself. It is trying to either output too much current or is not putting out enough. If you have multiple speakers wired to one channel, you will either have to change the wiring to series(unit positive to first speaker red, first red to second BLACK, second red to unit negative) or remove on speaker. (If this is the case, then you might want to look at this. It is a tip/rick to place and properly/successfully run three subwoofers, but the main concept can be used on all channels.) If all channels are wired to he correct speaker, then the amp is in fact at fault.

Jun 22, 2010 | Samsung HT-X20 Home Cinema 600W Theater...

1 Answer

Everytime I turn my on samsung ht-q70 the display screen says protection and the system shuts off. what can i do to get the protection off


The amplifier has a bad channel, or is bad itself. It is trying to either output too much current or is not putting out enough. If you have multiple speakers wired to one channel, you will either have to change the wiring to series(unit positive to first speaker red, first red to second BLACK, second red to unit negative) or remove on speaker. (If this is the case, then you might want to look at this. It is a tip/rick to place and properly/successfully run three subwoofers, but the main concept can be used on all channels.) If all channels are wired to he correct speaker, then the amp is in fact at fault.

Jun 21, 2010 | Samsung HT-Q70 Home Theater System System

1 Answer

No Right Front Speaker Output


Swap speakers over...check the balance isn't fully to the other channel...swap left/right phono cables over (if thats how your using it) other than that i would say is broke.
Easy way to check speaker cable/speaker... touch a small battery (like used in a remote) across speaker wires, you will hear and see the speaker cone move.

Aug 07, 2009 | Home Theater Systems

1 Answer

Sound from 3 channels only


Sometimes what happens is that people r just confused with all wirings.Considering that you have connected the speakers correctly...Now according to u the center speaker is not working
  1. If u have a jack attached at the end of the speakers then try connecting the center speaker jack into the Right front/Right Rear/Left Rear socket at the back of the reciever.Just to make sure that your speakers r fine.
  2. Secondly play an audio cd first,sumtimes a video DVD not being 5.1 channel one confuses a lot.
  3. Assuming that you have checked the center speaker,like I asked u too,Connect it into its proper socket or better connect all the speakers.
  4. Now with the remote you check the predefined equalizer in it n keep changing that [pop,rock,jazz etc] or you might even want it to change it to 5.1 from a 3channel or 2channel Stereo.Everytime you change it listen to every speaker.
  5. Also check that you have increased all the speakers volume one-by-one.
  6. Disconnect any headphones attached.
  7. Switch on the selected source or select another source.
For further details u can check the manual.
The VGA cable of the monitor will work fine.

Jun 03, 2009 | Philips HTS3450 System

1 Answer

Sound from 3 channels only


Hi, first of all did you verify with the manual if it is possible to run a testsignal through all 5 channels?
One of the most common problems in this case is the basic settings of the device. If you don't have the manual, mostly you can download them from manufacturers website. Chances are that for some reason the setting is set 3.0 stereo (also known as 3channel sound) which is always the 2 fronts and the centre speaker.

Best thing to do it is take a DVD with THX on it and run the THX setup, it will send test signal to all channels.

Jan 15, 2009 | Philips HTS3450 System

2 Answers

Subwoofer volume and sound


i had the same problem when i tried to adjust speaker output levels, distance and equalizer manually without using audessy setup..so i reset everything to factory setting (0s)..and then ran 
audessy setup..reduce volume on your subwoofer to slightly above minimum(behind the subwoofer) before running the setup..once audessy setup is completed successfully..i started changing setup
manually..changed speaker config for front speaker to small (it is set as large by audessy setup), this should automatically adjust center and other speaker configuration (if not make sure to set them to small as well), then set the cross over frequency to 120..increase the volume on your subwoofer and now you should hear it fire..if this does not help..try playing some rock music with all channel streo mode..if your subwoofer does not fire even for this..then take the system back for exchange..

Dec 28, 2007 | Onkyo HT-SR800 System

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