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Subwoofer not working

All LED lights on, no function will work

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Re: subwoofer not working - Velodyne DPS-12 Subwoofer Speakers & Subwoofers

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Posted on Dec 20, 2009

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Subwoofer deconnects

I have no experience of wireless speakers but I think you should contact the seller, if the unit is still under warranty or perhaps the support section of the manufacturer's website.
Certainly do read the instrucion manual.

I am guessing but either the wireless signal is being lost (depends on the function of the blue light) or the subwoofer is malfunctioning after a few minutes and the built-in thermal or overload protection is switching it off. The thump sound could be it trying to switch on again and finding the fault is still present.

Just my thoughts...

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The sub amplifier circuit is probably damaged and the protection circuit takes over. Have a qualified electronics technician take a look at it.

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I have a Mirage Prestige S8 subwoofer. 4 years old. Suddenly nothing....not functioning. No change in usage or location. Any ideas?

Check the status indicator - The LED found on the front panel should be illuminate in blue when the subwoofer is functioning. If the unit is in Auto mode and is not receiving a signal, the light will remain off. Try setting the power switch on the back to ON if in the Auto setting. Post back the status of your LED.

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If don't bother the absence of the blue light and speaker operates
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How can I determine if my transformer is bad on my mc602?

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1 Answer

Energy S 8.3 Woofer; blue led doesen't light up

Bought a S10.3 in jan/2010, LED died a month later. I've repaired it by myself. After inspecting circuit, I've found that their design puts almost 14V of reverse bias upon that poor blue LED. These components are not usually expected to sustain more than 5V of reverse polarization. So, in my opinion, there is a design flaw. To make a long lasting repair, you just need to insert a general purpose diode in series with the LED, such as an inexpensive 1N4148 ($0.05). And, of course, any readily available 3V, 5mm, through-hole round blue LED (I think crystal clear should be better).

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Energy S8.3 Subwoofer

I have the exact same problem with my S8.3 that I purchased a few months ago. It's just the blue LED that doesn't light up, otherwise it seems to output bass and the volume control works. Any suggestions?

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