Question about Dell 5650 Computer Speakers

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Horizontal speaker has a internal flapping noise

The horizontal speaker has a flapping noise. I am assume that the actual speaker is not sealed somehow and wanted to open it up and seal it with a quick glue but cannot figure out how to open it...yes, I've unscrewed all the screws. (this solution worked years ago on a stero speaker making the same noise). 1. How do I open up the casing of the horizontal speaker and 2. do you have any other suggestions of what the flapping noise might be?

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Once you take off the screws you pry the circuit out as it is glued in to prevent air,
you will have to cut the cable to speaker,
the flapping is likely a cracked speaker or loose insulation

Posted on Apr 26, 2008

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Posted on Jan 02, 2017

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Makes large thumping/chirping noise when turned on. Its not even connected to the receiver


Since you have said the speakers make this sound when "turned on", I'm going to assume there's some form of power amplifier attached (internal, external or otherwise). Based on the minimal information provided here, this simply sounds like the normal reaction of a speaker when the amplifier is turned on. In short, an audio speaker is a type of "transducer" and when power is applied (thru some form of amplifier), the cone reacts to the power surge and causes a thump, pop or other noise. Turn on your TV for example and you'll usually hear a small pop from the speakers...and a larger/more powerful amplifier is likely to make a louder noise. Without further information, in most cases this is quite normal.

Assuming there is an external power amplifier, my advice would be to turn the volume on the amp (regardless of whether there's a receiver connected) to 0 before turning the power on. If it still makes such a noise, it's possible the volume control of the amp may require cleaning.

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Is the sound coming from the speakers or from the actual television? If from the speakers, I would check all connections for the sound system. If from the actual television frame and housing, check for a fan ( to cool electronics) canned air or compressed air can work wonders for cleaning out dust which can cause mechanical sounds. If it's coming from the speakers, there is an electronic problem which is usually related to cable connection issues. Have you made any changes recently? If so, check those connections. Unplug them, and make sure they are securely plugged in. I would assume this would fix any problems, if not, there is a problem with one of your devices... I'm convinced you have a bad connection somewhere or a bad audio cable.

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Replacement of the transformer is the ultimate solution, but you may be able to seal the crack with silicone sealant (like the kind used for fish tanks) until you can find a replacement.
If you can't see the sparks, it could be sparking internally, and simply must be replaced.

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I am not familiar with this particular toilet, but most toilets that have a tank have this problem when the rubber flap stopper does not seal and allows water to trickle through.

this is the rubber stopper that lifts when you use the flush handle, the fix was to use the handle and allow all the water to flow out and use a soft rag and clean the area that the stopper seals to, and you will also want to clean the stopper of any gunk that may have accumulated on it.

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If by white noise do you mean the test tone generated by the receiver? If so, this is actually pink noise and it is internally generated by the receiver. I would make sure either in the menu or on the remote that you haven't accidently turned off the surrounds and double check the wiring to the surrounds. Good luck.

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This issue is actually caused by my cable box. Access the audio SETTINGS on Hand held Cable Remote, and turn on the HDMI and or "Digital Audio Out" option. found on 'more' settings list. This should fix the issue. I had assumed the Cable companeis 'Boot' would have installed this feature during its initialization.

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Tannoy Reveal 66D


One possibility is that the mute switches on your speakers have oxydized contacts INSIDE the switch - this kind of malfunction mostly occurs when the equipment is exposed to moisture and/or smog.

The most common solution is to change both switches, but they can also be disassembled and cleaned up (which is a bit more complicated and time consuming).

Another possibility is a dried up filter capacitor in the power supply or somewhere in the preamplifier section, possibly also a bad preamplifier chip but if your speakers work fine (with the exception of the mute switch noise), then the problem is more likely with the switches.

Also, check the internal connectors for any dirt, broken wires or desoldered pins.

Could also be something else, you should know i'm only assuming on the possibilities and i'm listing the most common problems i've encountered so far.

Regards

3rq8 (Triarcuate)

Jul 15, 2009 | Tannoy Reveal 6D Speaker

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