Question about Aiwa NSX-DS55 CD Shelf System

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Speakers are making a crackling sound then cut out.

There is a crackling sound coming from all my speakers then sound just cuts out all together. If I turn system on/off 3-5 times system then plays fine. Any ideas as to what might cause noise?

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  • big_daddy_pl Mar 27, 2008

    No it doesn't seem to help nor does it make it worse.

  • Jango Fixit
    Jango Fixit May 11, 2010

    Does gently tapping/rocking the unit aggravate the crackle?.

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  • 38 Answers

Sounds like an internal loose connection somewhere, possibly anywhere, a connector on a pcb, a dry solder, loose pin on an IC. Tough for an end user to solve this, would entail opening the unit and investigating. I checked the rear panel in the op manual and this model has no ribbon connectors else i'd have asked you to check them.

Posted on May 20, 2008

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1 Answer

No sound in speakers, do i need new speakers or is it something i can fix?


Try a pair of headphones. If you can't hear any sound it's not the speakers. If you can hear sound, it still might not be the speakers. As sometimes headphone sockets which cut the speakers off when headphones are plugged in, can go faulty. To test any loudspeaker connect a 1.5 volt battery accross it's terminals for a few seconds. It should POP.

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I have an older JVC Shelf Unit with the main control unit in the middle and a left and right side speaker that contains a built in subwoofer on each side, lately the Speaker cuts in and out at higher...


It's one of three things things:
First, examine where the speaker wires are plugged into the receiver. Are any of the copper strands touching one another? If so, remove the excess stripped wire and reinsert it. Problem solved.

Test two: bad speaker. to test, swap the speakers (hook the right speaker to the left speaker jacks and the left speaker to the right speaker jacks). If the RIGHT side now cuts out, you have bad speakers.

If the speaker on the LEFT jacks still cuts out, your amplifier is going bad (which could cost between $50-$200 to repair).

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I have a Technics SU-G75 SIA and when i cut it on it doesn't make the extra "click" sound... ok like when you first cut a radio on, after the first 5 seconds you'll hear a click like the speakers...


Is there a problem other than a missing click?

Or is it silent and essentially dead?

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

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After a few minutes of playing a cd or the radio, the speakers make a thumping/crackle noise and the music stops. The stereo stays on. Just stops playing music. Any ideas?


Hello

OK, this is just a suggestion, without analysing the unit myself.

From my experience with these type of units, it is usually overheating of the IC's on the circuit board.
You can do another test just to double check. Turn the unit off, unplug it from the wall supply for about 10 minutes. Then plug the unit back in and turn it on. Now turn the volume very high, without the speakers starting to distorted, where you can still hear a clear sound.

Now, if this is an IC overheating, the sound should start distorting and cutting out. This is actually a very common occurrence with these types of players as well as receivers in general.

Try the above, let me know what happens.

Also, please do not hesitate to let me know if you need any further assistance.

Kind regards
Andrea

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I have a beomaster 2200 and the sound will only come from one speaker, I have checked the speakers and these are ok. When I move the balance control I get a loud crackle noise. Many Thanks John Bailey


if the loud crackle noise is in the speaker that doesnt work you may have a problem with the balance control itself or int. contacts in the switchbank.clean and lube both for starters.

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Sometimes the sounds cut or get out from only one speaker. We have to turn the knob back and forward several times to fix it


check your connections to make sure they're tight, first. if the balance knob makes a crackling sound while trying to change from one side to the other, the guts are dirty and need cleaned.

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Speakers crackle, then sporadically stop


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Yeah i had that same problem. You know the chord? The cord you plug in from outlet. The square cord you plug into your speakers.. yeah the "DC outlet" is supposed to be UP. if you have it the wrong way in there it wont work and will make a crackling sound.

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Speakers cut out after about 10 minutes.


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