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that's called breaking up or overloading it means that the speaker is being asked to play louder than it was designed to play!! this will ruin the speaker at all volume levels if allowed to make that sound for very long..advice? lower the volume till that noise disappears it's not a product fault it's user error advice turn it down or buy a more powerful unit to achieve the volume you want/need
Reduce the volume for sure, but if what you meant is some crackling noise then the power amplifier must be checked for malfunction. The failure can be a series of failures on the power amplifier , disconnect the input and confirm that it is an internal noise and not from any source.
That's nothing strange!! Mine does the very same thing. It's normal, the system's way of powering up, unless when you turn on the power, clicking noise intensifies....., if that's the case, give me a reply.
Ther clicking is probably coming from a relay and it is cycling because either the power supply itself or possibly an audio output power module has failed, the latter will overload the power supply so it tries to protect itself by interrupting either the AC or a DC voltage supplied by it.
This problem will likely require the hands-on of technical help.
Here is how I fixed the hissing noise in my Soundock;
--Pull the bottom plate off (It is attached by 4 screws)
--There is a green motherboard with 2 ribbonwires. .
--One of the ribbonwires (the one the mounts the ribbon vertically) had loosened up.
--Use a tweezers to pop it back into place and that noise will disappear.
This is a design flaw, as the action of inserting/removing your ipod, coupled with the action of setting your sound dock down will work this ribbon loose.
The clicking noise is usually the power supply "tripping" because of an over load, your explanation of the fault is very good and helps us in advising you about the fault...
Because the clicking gets slower it means that you have reduced the current being drawn from the power supply.
The item that is causing the over load is the item that when you plug it in or turn it on causes the clicking to start up...
Tyhe power supply is called a switched mode power supply and is usually a collection of transistiors capacitors resistors and a transformer all specially set up to make DC Direct Current and AC alternating current power for your electronics to work with.
These power supplies are expensive and no fuses are employed to make them work but a special detector circuit is installed to close down the power when a high current draw down is detected, Once the high draw down is detected the power supply closes itself down, so then it sees no more high current draw down so it starts up again and this causes the click as the internal transformer and capacitors once again start the cycle to operate to make the DC/AC supplies. So once started up the High current is detected and the power supply closes it self down and the cycle is repeated over and over....
Its a specialised job to locate the problem so its not something you can do your self without electronics training...
All Aiwas are prone to this problem. The doors are a real pain and easily give up the ghost. I have 2, both probmatic in this direction. I have spoken to others about this problem. Seems no easy fix. Have you in your case, tried leaving and old tape in the tape part of your unit . The noise you hear, usually starts when tape unit area doors are about to pack a wobbly. Unless under warrenty, proberly, not worth getting fixed. It seems something gets weak in the activation part and get a mind of its own. Very common after about 3 yrs of ownership. All the best: jamz