Question about RCA RT2380 Home Theater System System

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Power the power was checked, all wires checked, wall receptacle working... however, when initially plugged in, the receiver power light is on... but when touching any of the buttons on the remote, the receiver turns off automatically... the unit cannot be turned on by remote or by touching the power button directly on the receiver either. Nothing has happened to the receiver to cause this change. It was working, then now all of a sudden it is not. It has been working since we purchased it this fall. Joy

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Re: power

If you're NOT still under warrantee you should at least open the reciever and look for a blown fuse near where the power cable enters the set. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the receiver to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your reciever serviced.

Posted on Dec 27, 2005

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My RCA keeps quitting on me.


U have a part in there that is changing value as it is used or gets hot.
Look for a bad capacitor in the power supply - when that goes bad everything shuts down.

Also check the plug going into the wall for a sound connection with the wall receptacle.

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Philips home theatre system hts35650 stoped working After switched off the power. How to fix it


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My onkyo ht-r590 goes on then shuts off right away.


The amp protection circuit has been activated. Remove the power cord from the wall outlet immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect the power cord and reconnect an input and a pair of speaker wires onto the unit. If the receiver still does not turn on than you will have to bring it in for service. Turn up the volume and if the receiver doesn't shut down, power off the receiver and add another pair of speakers. Power up the unit again and turn up the volume. If it doesn't shut down, power off the unit again. Now connect all your input sources and turn on your receiver. If the unit shuts down again, your unit will need to be further serviced at an authorized Onkyo service center.

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1 Answer

How do I eliminate the humming on my Vizio VHT-510 system


see this instruction and fix it. God bless you

    • 1
      Disconnect the coaxial cable at the back of the satellite receiver or cable box by unscrewing the coupler on the cable end.

    • 2
      Attach the cable to the RF IN jack on a surge protector and tighten the coupler clockwise.


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    • 3
      Connect a second coaxial cable from the RF OUT jack on the surge protector to the input on the cable box or satellite receiver. If this stops the hum, congratulations: You're done.

    • 4
      Unplug the subwoofer's electrical cord from the power strip or wall outlet if it is connected to the same circuit as the AV receiver. The amp in the AV receiver and the amp in the subwoofer are in conflict over the grounding of the electrical circuit.

    • 5
      Plug the subwoofer into its own surge protector and connect the surge protector to a different wall outlet than the AV receiver uses.

    • 6
      Disconnect the subwoofer cable from the back of the sub and the AV receiver if all other measures fail to stop the humming. Reverse the plug connections so the plug that had been connected to the receiver is now connected to the subwoofer. Turning the cable around may solve a problem known as ground-loop hum by reversing the shielding wire inside the cable.


Read more: http://www.ehow.com/how_6979184_eliminate-sound-home-theater-subwoofer.html#ixzz2ZdzrgBSa

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2 Answers

There is just no power


You need to isolate the problem, try the following:

1. Make sure that the plug is connected into a known working wall socket.
2. Check the wires. Make sure that the wire is not disconnected or loose.
3. Last, check the power supply of the device. Checking it might need an assistance of a repair tech.

If there are no loose wire connections, then the power supply could have gone bad.

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1 Answer

Which speaker wires feed which speakers throughout my house?


Since this is a custom install and the wires don't follow a rule the only way to find which is which is to disconnect all the remaining speakers, plug in light bulbs in their places and check every single pair till they all match and their corresponding bulb lights up.

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1 Answer

RC cable in headphone jack then to power source now ''protect''


This generally means that you've got a short somewhere.  You most likely *don't* need to bring it in for repair.
If you're familiar with how your system's set up, do the following: 1) Unplug the receiver from the wall. 2) Unplug your gear from the receiver 3) Plug the receiver back in 4) Plug each individual component into the receiver, and test it as you go.
The "protect" is there to protect you from damaging your system, which is why it still works (sort of.)
If that solution doesn't work, check all your speaker connections.  One may have come loose, and you've got positive and negative connections touching each other.

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1 Answer

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Here's the fix: power off the sub-woofer and wait for 60 secs before powering it on again. My rear receiver works every time now.  I guess the sub-woofer isn't just a dumb speaker; it has some kind of smarts in it too.
Prior to this, I had only tried cycling power to the DVD player itself.  I also re-seated the two, fat cables connected to the junction box. One of them had worked itself slightly loose and the result was completely absent speaker channels.

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1 Answer

No power to the dvd player


Not sure but since you did not indicate wether this wall plug you are using is the same one you are plugging into when placeing on a stand.
I would say that if it is not the same one it would appear to be the only variable common.
Have someone check that outlet it might be wired wrong (if you don't have a tester ) ----(you can buy a line tester at home depot ,it plugs in to wall and has lights that display how plug is wired) -- I am thinking either you have no ground or polarity is backwards. If you have a VOM measure Nuetral to Ground it should be less than 5 VAC, higher than this is a problem.
Since most amps use low voltage switches internally any variation to the ground will vary the switching voltage.

If you are using the same outlet then the above still applies since when you unplug the poor ground may be shorting internally as you remove.

I would inspect the outlet you are using.



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