Question about JVC TH-C3 System

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No Power I just recently moved back home to NY and hen I plugged in my subwoofer I have no power. Does anyone have any suggestions?

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I just recently moved back home to NY and hen I plugged in my subwoofer I have no power

Posted on Aug 08, 2008

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Posted on Jan 02, 2017

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1 Answer

Speakers won't power on when plugged in


firstly check your power cable by moving the wire in various directions while it is plugged in ac outlet and powered on, if it lit up the standby power LED then the prob lies on the power cable. If not, try opening the speaker system box itself (be sure to unplugged the power cable before opening the box), then visually check inside for the little cylindrical glass type tube(if the circuitry still uses this kind of fuse) if it is burnt-out.
Hope this help pal...

Feb 23, 2013 | Labtec Pulse 285 Computer Speakers

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Have an older (6 + Yrs) VX-10A model, that's worked fine up until now. I recently moved, hooked up the same stereo and surround sound speakers, which worked fine, but the subwoofer made a loud hum as...


Disconnect the input and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.

Mar 03, 2011 | Velodyne VX-10 Subwoofer

1 Answer

Can i put an extra sub woofer on my lg da3525 via the woofer out socket and what plug do i require to do this


Hi,

How to Connect 2 Subwoofers to One Receiver

Subwoofers produce the deep bass sounds that give home theater the realism of being at the movies. A good subwoofer can rattle the walls during action sequences, while adding depth to recorded music and a heightened sense of feeling in the midst of a televised sporting event. Because most home theater receivers are equipped with a single subwoofer jack, connecting a second subwoofer requires a simple audio adapter available at electronics stores. Self-powered subwoofers have their own built-in amplifiers to drive the bass speakers, so they cannot drain power on the main receiver in a system and thus pose no danger to the equipment, even when an extra subwoofer is connected.

Things You'll Need:

Home theater receiver
Y-adapter with RCA jacks on two ends and an RCA plug on the other, available at electronics stores.
2 RCA subwoofer cables
2 subwoofers


Instructions


Plug the Y-adapter into the home theater receiver's "Subwoofer OUT" jack.


Connect an RCA subwoofer cable to each jack on the Y adapter and route the cables to the subwoofers in the room. Because subwoofers deliver an omnidirectional sound, the boxes can be placed anywhere they won't get in the way, but within reach of an electrical outlet..


Plug an RCA cable into the "Sub IN" jack on the back of each subwoofer.


Connect the subwoofers to wall outlets and turn on each unit by pressing the power button, typically located on the back panel.


Adjust the volume and crossover settings on each subwoofer as desired. The crossover adjustment knob tells the subwppfer which low-end frequencies to reproduce from the audio signal, such as a movie on DVD. All frequencies higher than the crossover setting will be transferred to the other speakers connected to the receiver.



Tips & Warnings

Use subwoofers that are closely matched in power, as rated in watts, when using two subwoofers in a home theater setup.

Disconnect the subwoofers from the power supply while making the audio connections.


Have a nice day...

Feb 19, 2011 | LG DA-3525 Theater System

1 Answer

I recently moved and am having trouble getting my phillips subwoofer system model : MMS171W hooked up properly There is a loud background hum when I attach it like I think it should be attached. Any ideas...


This is most likely a "ground loop" and is caused by using two different electrical outlets for the two parts of the system -- main receiver and subwoofer amp.

Try using the same electrical circuit (wall outlet) for all of the equipment in the home theater, using a power strip or strips as needed.

Nov 07, 2010 | Philips Audio Players & Recorders

1 Answer

HELP! My HP Scanjet5470C worked PERFECTLY - not anymore


u'r scanner have to turn on first for the computer regocnize
try another power outlet, if the scanner turned on, it means the power outlet u used now is poor...
u can check the power adapter first

Mar 12, 2009 | HP Scanjet 5470c Flatbed Scanner

1 Answer

No power in surround sound system(DVD/subwoofer)


The key could be the word "move".
Electrical items can get knocked moving and something might have become loose or damaged inside the sub. So check it out. Inside too!

Feb 28, 2018 | JVC TH-C3 System

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BassCube 12 Startup Problem


same here. happened after moving residences

Jun 30, 2008 | Cambridge Soundworks BassCube 12 Speaker

1 Answer

Power issues: will not turn off or function


Unplug all of the speakers and power on.Its possible that one of the speakers is causing the protection circuit to activate.If powered on and subwoofer works start reconnecting one speaker at a time( after powered off) and retest each time.One Speaker may be bad.Its also possible the output ic is failing under a speaker load.There are no fuses related to this issue.If its not a speaker problem then the subwoofer will need to be serviced.

Feb 24, 2008 | Panasonic SC-HT730 System

1 Answer

Loud Humming...


hum usually comes from the power side, not necessarily the inputs. try physically moving your amp to another room in the house, or even to a friends house, see if the hum goes away. if it does, get an outlet tester ($15) from home depot and test the outlet, hot and neutral may be reversed. talk to someone who knows home electricity if you are not sure what to do in an outlet. if this does not work, try plugging the amplifier into a decent power bar (apc or such) usually used for computers. this sometimes helps as well. (usually less than 30 bucks)

Aug 11, 2007 | Paradigm PS 1200 Speaker

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