Question about Energry Speakers Energy Speakers S8.3 Subwoofer

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

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. Can I change the led? Any suggestions?

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  • Anonymous Dec 14, 2008

    I have the same issue. Have replaced the speaker with a new one. That worked for a few weeks. Then I got the official repair LED kit from Energy. Burnt out in a matter of minutes. This is not rocket science, yet Energy can't get a friggen power light to work. Grrr.

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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).

Posted on Mar 05, 2010

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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?

Jan 16, 2008 | Energry Speakers Energy Speakers S8.3...

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no not at all you enjoy sound ok...

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Remove the power supply board (4 corner screws and 2 mains connector screws) and disconnect the two plugs. Carefully desolder C8 and replace it. Its value is not critical (220 to 470 uF will do) but it should be a 105 deg. type, preferably at 50V.

Remove R4 and replace it with a similar resistor with its leads bent so that it is nowhere near C8, otherwise the fault will return. One end may be connected to one of the existing R4 solder pads (furthest from rear of board), and the other to the top end of resistor R3. Check that you have connected it correctly by inspecting the PCB tracks.

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