Question about Sony STR-DB930 Receiver

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Centre and left speaker cutting in and out

I seem to have the left speaker not working at all and the centre speaker cutting in and out with a clicking noise. Any idea's ?

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  • Anonymous Nov 15, 2007

    I have a similar problem in as much as my left surround channel does not work.

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  • 15 Answers

Hi. I have a SONY STRDB930 receiver and the rear speakers started cutting in and out, with a clicking sound. Eventually, the centre channel followed suit. I turned the receiver over and removed the slotted panel on the bottom. This allows you to access the circuit board, where you will find the solder joints belonging to some blue relays that you can see down on the bottom if you shine a torch in from the top. Check these, as I found 4 of them appeared to have broken. The solder blobs should appear shiny, without any dark ring around the pin. If they look dodgy, re solder them. I did this, and it appears to have fixed the problem, at least for now. These relays are what is clicking, and they turn the speakers on and off. If the voltage supply to the coil of the relay is interupted, by a faulty solder joint, for example, the relay will cut out.I hope my solution is not too late for you, I have only just gone online recently.

Posted on Sep 15, 2008

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Posted on Jan 02, 2017

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1 Answer

Centre speaker does not work following setting up system again after moving house.


Many systems have an option to switch off the centre speaker. You should investigate this.
What sometimes happens when the power is fully switched off for some time on these sort of systems, is that the memory chip that remembers system settings loses it's memory. Sometimes it has a small capacitor that stores a small voltage that keeps the memory chip alive during power outages. However over time these stop storing the small voltage needed. And need to be replaced. Normally they don't affect the system until you switch off the power. As many uses leave them in standby mode. It is often worse on radio station settings, with units that have tunners, losing all station settings.
If this applies to you, have a look around for one of these capacitors, called Memory Retention Capacitors, and replace it. Image below as to what they look like. They are always about 5.5 volts.

26091258-210gfwjy0tzijijkgofsib3m-5-0.jpg

Feb 12, 2016 | Audio Players & Recorders

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Why is my centre speaker not working on my stereo setting on phono?


Records are binaural only. There are only two channels of information, left and right. There is no signal available for a center channel.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/dave_fb2c45146b845cea

Aug 29, 2014 | Technics SA-AX730 Receiver

1 Answer

Speakers not playing


The problem can be the cable or speakers or RX-V463 or settings. Need to check one by one.
Set the RX-V on DTS or Dolby Digital
1) Check Cables - connect the 2 (surround) cables from RXV's Centre Out to Centre speaker. If the Centre speaker works, then cables are ok.
2) Check speakers - Connect each Surround speaker to RXV's Centre out. If it works Speakers are ok.
3) Check RXV - Set it on DTS or Dolby Digital
Connect RXV's surround out (one at a time) L and R to the Centre speaker. If there is no sound, the problem could be RXV's settings (I need to read the manual).

Hope this helps.

Nov 20, 2013 | Yamaha RX-V463 Receiver

1 Answer

Good afternoon, I recently bought a SA VE325 speaker set it contained a subwoofer, 4 little boxes and a mid-large box which you haeb have tpo piuyt above uyour tv. Now the problem is we have no cCENTER to...



Hello there looking at the manual i would assume that the mid-large box is actually your centre speaker.

Did you mean that there are no connections left on the back of your amplifier? For a centre speaker this system uses all passive speakers apart from the subwoofer which has a built in amplifier for just the subwoofer, your hifi or home cinema amplifier would need to have at least 5 separate channels to operate the centre speaker as well as the front and rear speakers.

Ideally you would need a 5.1 channel or 5 channel amplifier with subwoofer pre output, any would do but to make things simple one with a digital optical or coaxial input would be best as this can easily carry multi-channel audio with just one connector.

The other alternative if your amplifier does not have a centre speaker output are:



· to get another basic mono stereo amplifier to power the centre speaker on its own however if your main amplifier does not have a pre out connector for a centre speaker you will have to change the volume independently on both amplifiers



· don

Aug 27, 2011 | Sony SA-VE325 System

4 Answers

I cannot seem to get the driver working on my new computer which has windows 7 currently. Are the two compatible?


Are we looking at this same computers? Since when do you require drivers for speakers?!? Speakers are dumb devices (yes, this is correct name for passive computer devices) and do not require any drivers in any computer or operating system with sound capability! Computer speakers are compatible with any copmuter in the world and any operating system which generate sound!

These speakers are qualified as 5.1, that meant that these speakers will have front bass, front centre speaker, front left and right speaker and rear left and right speaker, in total six speakers.

Please follow this advice and you will have joy of surround sound.

1. Mount your subwoofer in front centre, below your knee level at the distance of about 2 of your hights
2. Mount your centre speaker in the centre on your head/hight level or slightly above at same distance as subwoofer or slightly closer.
3. Mount left front speaker about 45degree from your centre line to the left and right same distance to your right, on the level of your head while you are listening to the music, distance from you slightly closer (about 1/2 your hight) than your centre speaker.
4. Mount your rear left and right speakers at same or slightly greater distance as front left and right speaker. these should be at same or slightly higher level as front speakers.
5. Triple 3.5mm jack is going to your computer output and your speakers (incidently, your subwoofer servers as junction box, amplifier and mixer).
6. Connect speakers to they respective jacks.
7. Turn power on speakers all way down
8. Connect power to the speakers and switch it on
9. Play some music on your computer, output on full, music recommended will be some classic, like bach or similar
10. Put your hand in front of subwoofer and turn bass till you feel vibration
11. Turn sound till you hear it well
12. Turn sound on the computer down till about 70% - 80%
13. Turn on sound on your speakers till desired level and enjoy the experience!

If you have still some problems, these can be then related to the drivers installed on your computer, please check therefore what motherboard do you have, if there is proper sound drivers installed. If not, go to the site of our motherboard/sound card manufacturer and install relevant drivers.

Please do not hesitate to ask me if you have any addtional problem related to this particular issue.

Aug 06, 2010 | Creative Labs Inspire T5400 Computer...

1 Answer

I cannot hear any talking out of my surround sound system only amplified sounds


Check the speaker connections to your centre speaker and indeed the the centre speaker itself in case it has been damaged.

95% of voices are directed to the centre channel speaker (if you don't have one you need to reconfigure your HT amplifier so that it knows and redirects voices to your front left and right speakers)

Feb 07, 2010 | Audio Players & Recorders

1 Answer

No sound out of centre speaker


Make sure your amp is set to a channel which plays on all speakers (5.1).
If you have the amp set to "Stereo", it is only the frontspeakers and subwoofer which play sound.

Oct 14, 2008 | Audio Players & Recorders

1 Answer

STR-DB930 Receiver


Hi. I have a similar problem, where the rear and more recently, the centre speakers cut in and out. The relays that connect them click on and off rapidly, like morse code! Annoying, especially losing the centre, as in a 5.1 mix the centre carries most of the dialogue. The voices will be very hard to hear without the centre speaker. I tipped my STRDB930 over, and removed the slotted panel under neath. This gains access to the under side of the bottom circuit board. There, you will find the solder joints of the 3 bottom relays, the fourth being mounted on a narrow strip of board above this. Shine a torch through the top onto the blue relays, and you will see where the solder joints are. I noticed that 4 of these joints looked like they were broken, so I re-soldered them. The centre seems ok now, although it's too early to tell. My receiver still clicks, but if that is comming from the relay mounted higher up, I don't know how to gain access to this easily. Hope this helps.

May 01, 2008 | Sony STR-DB930 Receiver

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