Question about Kenwood SW-38HT Subwoofer

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Woofer will not turn on. fuse was bad but i replaced it and still no power.

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Had the same problem, no power from the sub, no light. Opened the box, fuse was bad, replaced the fuse...pop...blew again. Found out that on the bigger middle board next to the power plug there are two capacitors on either side, the inner one burned and crumbled to pieces. I called Kenwood, they said that I would have to bring it to a Electronic Service Specialist that they will give you a number to in your area...or...Ship it yourself to their East Coast Center in Virginia. I already asked if Kenwood is going to send an RMA or Shipping Label and they will not. You will be responsible for the shipping there, but they will pay for the shipping back. Kenwood's East Coast Center in Virginia's number: 757-340-1702 - Good luck

Posted on Jul 08, 2009

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Socket the power cord and check if there is supply around the capacitors that supply the circuit board

Posted on Feb 10, 2009

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Can`t power it up. Connections and fuse OK. Stopped working after switching off and would never switch back on. LED indicator light`s neither green nor red but simply off.


Hi,
First, I have to commend you for having a really fine piece of equipment. Mission makes great products. Now down to business. Being where I am and not being next to your sub-woofer with test instruments and tools I'm going to be so basic as to almost be insulting. However, If I were there, I would be testing these things.
Normally, when one has a catastrophic failure. i.e. no power, and no indication of power present one starts with the power supply. And that starts at the power company.
1st Determine if there is power in the actual outlet that the unit is plugged into. I have found that when installing a sub-woofer on a two plug wall outlet, for example, it might be plugged into a plug intended for a floor lamp. and is turned on and off by a wall switch. Many residences have this feature. It is usually one of the two plugs in an outlet. So you have to test the actual physical outlet. If the outlet is off, check the light switches. If there is no power to the outlet, check the household circuit breaker.
Let's assume that everything works, so far.
The next thing to do is check the internal fuse with a meter. If you don't have one, pick up a multimeter from Radio Shack or Walmart for less than $20.00 or Harbor Freight for less than $7.00
If the fuse looks good but checks out bad (sometime happens) replace it with A FUSE OF THE SAME VALUE. DON'T STICK IN A PIECE OF ALUMINUM FOIL OR BYPASS THE FUNCTION AND PURPOSE OF THE FUSE. The fuse costs a dollar, at the most, the Sub-Woofer costs $800.00 at the most.
OK, so now you have either a working sub-woofer, or an elegant paper weight.
If it is still being a paper weight, contact mission to locate an authorized service company. This piece of equipment in not designed to be user servicable
Here is their link below,
I hope this helps,
Best Regards,
Mark
http://www.mission.co.uk/Default.aspx?lang=En

Jan 20, 2011 | Mission M5AS Subwoofer

2 Answers

Woofer not powering on


Check the power unit inside woofer, it was cause for same problem in my creative surround.

Mar 30, 2008 | Bose Acoustimass 15 System

1 Answer

Mirage LF 150 Sub Woofer. sub not working


within the sub amplifier is an electronic amplifier, that is shorted and blown a fuse. This is all internal. If you can dismantle this module, I suggest do so and any electrical/electronic individual will identify the part needed. you could also check on a replacement module-complete.

Mar 04, 2010 | Mirage LF150 Subwoofer

2 Answers

Unit blew the internal fuse. SONY SA-WMS367 SUB-WOOFER


Bad output IC or voltage rectifier are the most likely at fault.

Nov 28, 2009 | Sony SA-WX700 Subwoofer

1 Answer

The subwoofer just quit working I don't know if i turned something off. I check the various levels and found one that said "sub woofer off/ on and switched it to "on" but it still doesn't work. any...


1) Check your power outet - make sure you have power.
2) Check the cord going to sub-woofer, check power strip if using one, we want to make sure you have power going to the subwoofer.
3) If so check to see if you have a fuse installed in the subwoofer, replace if needed.
4) Make sure your audio wires are attached to subwoofer, inspect audio wire, if it is old wire then replace.
5) Trace your wire back to your system make sure it is connected to the Subwoofer terminal.
6) Check your menu options on your audio system, make sure the subwoofer is enabled.

Aug 30, 2009 | Speakers & Subwoofers

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My sub has no power, ther could even be other problems i'm not aware of. so i would like to fix power first


Hiya, start by checking the power cable, then check the fuse in the unit on the pcb. If blown, replace and if it blows again then problem could be either Power supply or the amp outputs. If it doesnt blow, stays on but no sound, problem also likely to be output stage. You will need someone with experience to check outputs, etc and a meter though. Hope that helps a bit.
Best of luck

Jul 15, 2009 | JBL PSW-D110 Speaker

1 Answer

Klh powered subwoofer keeps blowing fuses?


then the circuits took a hit and the fuse didn't do it's job in the 1st place. best is too get new circuit thats inside the sub woofer.

sorry to be the bearer of bad news

Apr 26, 2009 | KLH BB-II Subwoofer

2 Answers

Woofer not powering on


hows power strip your pluged into ? try differt outlets is it
srewed down tight to wood cabnit wires tight on speaker good grounded power how sthe wire going to it

Jan 06, 2008 | Bose Acoustimass 15 System

2 Answers

M-Audio BX8 blows a fuse


If your monitor is crackling and fizzing, that is not a fuse issue, unless the fuse you have installed is underrated. It sounds like you have a bad driver/woofer, and need to get it replaced. CLICK HERE FOR THE REPLACEMENT DRIVER for this model.

- DJPA

Jul 05, 2007 | M-Audio Studiophile BX8 Main / Stereo...

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