Question about JVC TH-C5 System

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Subwoofer powers up and clicks off after 2 seconds, no sound, ever.

When I power the center unit up, the green light on the sub-woofer comes on and goes off after about 2 seconds. I opened up the sub and pulled out the power unit. I can hear a relay click when power is turned on, and then it clicks off 2 seconds later. Cooling fan never comes on. No sound ever.

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  • sixmulesat Nov 05, 2008

    Yes, I acutally unplugged the transformer and the relay did the same thing, which makes me think it's not the transformer???

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  • 59 Answers

If you know what a transformer is, and if you have a multimeter, i suggest you to go ahead andcheck the transformer,

Posted on Nov 05, 2008

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1 Answer

I wish to replace a subwoofer on a surround sound system


In most surround sound systems the sub woofer is powered separately and uses a standard RCA coax connection to the receiver/amplifier.

Replacing is simply plugging in the new and reconnecting the coax cable.

Usually the audio signal is Dolby Digital 5.1 the (.1) is the LFE Sub-woofer. The connection is between the Subwoofer RCA connector on the amplifier and connects to the (LFE-Line) in on the subwoofer speaker.

Hope this helps?

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Aug 09, 2016 | Audio Players & Recorders

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RCA RT2770 Sub-woofer sound doesn't come


The sub should generally have its own power supply, is it plugged in ???

Feb 16, 2016 | RCA RT2770 Theater System

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Sub woofer wont pair, brand new NB3740 LG Sound Bar


smart electronics sometimes aren't as smart as we wish for eh

Feb 23, 2015 | LG Audio Players & Recorders

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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 have the sub woofer and two sp-thc5f front speakers. Can I hook this subwoofer directly to my JVC 56 high def big screen or do I need a dedicated amplifier that works this sub wooofer?


No, the powered subwoofer gets its signal AND power through the DIN connector so you'd have to second guess JVC engineers on which pins are power or signal; and what voltage level it supplies and then you'd have to come up with a source for the power. Managing the volume and relative levels would be a trick, too. Devastation lies down that path.

Get the prescribed JVC electronics or go with a whole new sound solution.

Jan 16, 2011 | JVC THC5 Home Theater System with 5-Disc...

3 Answers

YAMAHA AV receiver RX-V861 I have the message 'Vol-fix' appearing on Zone 2 and no sound. This was working fine until then


Setting the RX-V861 remote control to operate Zone 2:
  1. Using a ballpoint pen or similar object and press the [CODE SET] button RX-V861 remote control. The[TRANSMIT INDICATOR]on the remote should flash twice.
  2. Using the [NUMERICAL KEY PAD] on the remote and key in 9992, the [TRANSMIT INDICATOR] should flash.
Assigning the receivers internal amp for Zone 2:
  1. Set the remote control selector to [AMP]. (Located to the right of the volume buttons on the Remote.).
  2. Press the [SET MENU]button on the remote control.
  3. Arrow down to Manual Setup and press the Enter button on the remote control.
  4. Arrow to the [SOUND MENU] option and press the [ENTER] button on the remote control.
  5. Arrow to Speaker Set and press the [ENTER] button on the remote control.
  6. Arrow to the EXTRA SP ASSIGN and select ZONE2
  7. Press the [RETURN] button on the remote control to exit out and return to the Manual Setup.
NOTES: There is an option for setting the Maximum Volume and Initial Volume in the Zone Set menu.
  • Max Volume: This is an optional feature but isrecommended to prevent the accidental change in volume levels thatcould damage the speakers and receiver.
  • Initial Volume: This is also a great feature that would seamlessly start the volume level for the second or third zone at the desired level.
We do not recommend using any Speaker Selector boxes to enable more than the recommended number of speakers per terminal.
Controlling Zone 2 using the RX-V861 remote control:
  1. If the Main Zone on the receiver is on, press the [POWER BUTTON]down and while holding that button down press the [PHONO]/[**] button on the remote. The [TRANSMIT INDICATOR] will light up.
  2. You will not be able to use the following buttons on the remote: (Pressing any other button will cause the remote to exit Zone 2 mode. [POWER], [STANDBY], [VOLUME], [MUTE] and the [INPUT SELECTOR] buttons [DVD], [CD], etc.)

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There are the instructions as written straight from yamaha. If you need any further assistance please let me know.
Thank you,
Lee

Dec 13, 2009 | Audio Players & Recorders

1 Answer

Subwoofer clicks and quits


The power amp that drives the subwoofer has quit. This will require repair. It is likely that the replacement you got from Ebay was defective as well. Not un-expected as I get stuff to repair from there all the time.

Your original unit failed in a manner to shut down the power supply. The replacement has a good power supply but a only fried sub amp.

Aug 10, 2009 | JVC TH-M606 System

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Hooking up these speakers with STR-DG810 receiver


ya does need a power sub out from a mini unit big sterios have sub pre outs sends signal only u could use speaker but u may blow them i would buy a kilshpsh set best buy 5.1 299 bucks to tie in sterio rock ya aaway

Jan 16, 2008 | Sony DAV-HDX500 System

1 Answer

Subwoofer not powering up


I could either be the sub or the main unit. The main unit actually sends a signal to the sub to turn it on so if that circuit is bad in the main unit the sub is never going to come on. I've also seen bad cables (You'd be amazed at how stubborn people can be when din connectors don't cooperate).

Sep 10, 2006 | JVC TH-M505 System

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