Question about Sharp Multi-System Mini Component System Shelf System

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Re: POWER PROBLEM - Sharp Multi-System Mini Component System Shelf System Audio Shelf Systems

Check for an open fuse in the power supply.

Posted on Mar 27, 2008

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Sharp XLMP 130 power button Blinking Red Light - Nothing Works

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My sharp XLMP 130 all of a sudden started blinking red four times and then one long one - nothing works??

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Will not play , loud clicking noise. No lights nothing.

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. 

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Sharp XL-MP130 CD shelf sys. won't all

Hi There,

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...

Cheers From YUBEUT

Nov 22, 2007 | Sharp XL-MP130 CD Shelf System

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