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I have a energy 100w powered subwoofer,when i turn power on now it will run for only a few seconds then shuts down,what might be the prob? ed.

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Sounds like you don't have a strong enough ground. Is this a Home entertainment sub or a car?

Posted on Jun 14, 2009

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Anyone know how to fix a Panasonic Viera 50" Plasma that powers off a couple seconds after powering on?


tThe diagnostic circuits is shutting your TV down. In most cases the set will shut it down immediately. Apparently your set hasn't shut completely down yet. When you turn your TV on the diagnostic circuits send a low voltage, low frequency signal through all the circuits and depending on how they come back whether the sets powers up to full power. If a problem is detected it will shut down to protect the other circuits. It sounds like you might have some capacitors going bad on your power board. A capacitor that is going bad would let it come on for a few seconds then the diagnostic circuits would see the capacitor getting further out of tolerance and shut the set down. If you are a DYS type person you might want to lay it flat of it;s face and remove the back. A bad capacitor will be bulged out on the top. are Replace capacitors with the exact uf value and if you can go above the rated voltage but never below., If this isn't the problem then it is probably the main board (the board where your cable hooks up to), There are other things that cab causes for this but I would check the capacitors first.
Col. Dana Gillespie

Sep 09, 2014 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

Powered subwoofer keeps blowing its fuse


The amp is blown. You need to get it in for service. No telling exactlly what is wrong untill it is opened. 215-736-8055

Jan 15, 2010 | Onkyo Bass Reflex Powered Subwoofer...

1 Answer

My laptop shut off when i picked it up. when i turn it on the fan runs for a few seconds then nothing.


overheating emergency power down.

use compressed air to clean dust and such from the air / fan inlet, remove battery pack, try again, if still the problem, disassemble, clean with compressed air all the parts, reassemble.
if still the prob, u will have to exchange the fan...

good luck

Sep 02, 2009 | Toshiba Satellite M35X-S311 Notebook

1 Answer

Sub cutting out


Check the 12v wire running from the battery to the amplifier. Also the sony explode is a garbage subwoofer compared to the Alpine.. sony (they say 1200w max but its more like 100w to power the thing) Amp could be going. Is the amplifier hot when running. If there is a burnt smell comming from the amp, its the amplifier

Mar 27, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

2 Answers

Mac Mini G4 turns itself ON


Have you looked into System Preferences>energy saver>schedule? Maybe it's set up to start itself. I have my mother's mac set to start up and shut down automatically. Just a thought.  

Jan 09, 2009 | Apple Mac mini G4 Desktop

1 Answer

Laptop doesn't work on battery after charging


If you are planning to open the notebook make sure the cpu cooler is mounted flush and has the most possible amount of contact with the cpu for heat transfer. I don't know about yours but normally in bios you can set a fatal temperature shutdown. Try to look up what cpu you have (when you open the case) and see if maybe the temperature is set too low. Then you would be able to reset the temperature to something higher if possible and this would solve the overheating shutdown problem.

Jan 02, 2009 | Computers & Internet

1 Answer

Shutting off


I would try the same solution as the E1 error code, Not sure if it will work, but it seems to be the same issue


1. Power down the air conditioner using the "power" button on the front
panel.
2. Unplug the air conditioner from the wall socket.
3. Hold the front panel "power" button down and plug the air
conditioner in. Continue to hold the power button down as the machine
goes through a brief test sequence (fan & compressor each come on
briefly, etc). There is a "beep" sound at the end of the test sequence,
and the machine will be off. At this point, you can release the power
button.
4. Unplug the air conditioner.
5. Plug the air conditioner back in.
6. Congratulations! You should now be able to operate the air
conditioner normally for another 720 hours, but only if you followed
the instructions above EXACTLY.

Sep 10, 2008 | Sharp AF-S120FX Air Conditioner

1 Answer

Jenson touch screen head unit is all hooked up properly in a 2001 honda civic if i turn it up to around 25 with loud off and bass down it will shut off for a few seconds and then turn back on and repeat...


the onboard amp in the deck can't keep up and overheats inturn shutting off the speakers , this is common in jensen touchscreens esp the 9412 9512 and the uv 8 best thing to do is buy a 4 channel amp and the problem will be solved sometimes running a bigger constant power wire to the deck will help a little but not much better off buying a 4 ch amp

Aug 12, 2008 | Jensen Car Audio & Video

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