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Car stereo i just bought a car stereo and it keeps turning off and on when i turn it up even a little do you know whats wrong with it?

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It may have a poor or insufficient power supply.

If that's the case, when you turn the volume up, it draws more current, which if it doesn't get, it may shut down, as a safety precaution.

Ensure the radio power wiring is correct and if it's a high-power output unit, this should be direct from the battery, using suitable fuses of course.

Ensure the negative (earth) cable is connected to the battery and not using the vehicle body to obtain it's connection

Posted on Apr 04, 2008

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1 Answer

Why does my pioneer stereo say POWEROFF and not turn on


Most likely it is going into a safe mode as one of the speaker connections might be creating a short in the audio amplifier. Check speaker terminals connections. The model number of the unit would be helpful to know.

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In two channel mode, there will be no subwoofer signal unless you change the front speakers to 'small'. If you set the front speakers as 'large' then the full frequency spectrum will be sent to the front speakers, and none to the sub. Switching from bluray may keep the surround configuration until you restart as you mentioned.

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Stereo turns off when volume is turned up


the receiver has a built in cut off. if you over work the amp inside it will shut off. try keeping the volume down a little bit

Mar 21, 2012 | Audio & Video Receivers

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My stereo sysytem is a mini stereo: serial number 10200055. It currently says "protect", what is this and how do we return our system to normal operations?


Hi there,

When the word PROTECT appears on this display, this means the unit has detected a critical fault which could potentially cause harm to your stereo system.

The most common cause is a short circuit somewhere - something even as simple as loose speaker wiring could cause a short, triggering the Protect message.

You will need to determine if there is a possible short somewhere, so I recommend you start by firstly turning power OFF, disconnecting all speaker wires, then turn unit back ON.

Operate the stereo (without speakers) and turn volume up:
  • If Protect message appears when turning volume up, then stereo unit itself has an internal fault
  • If no Protect message appears, then suspect the speakers may be causing the issue.
  • Reduce volume and turn unit OFF
Re-connect speakers (ensure the connections are secure), turn unit ON:
  • If turning volume up triggers the Protect message again, there is an issue with the speakers or connections

Hope this helps.....

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I have hooked by two bose 161 speakers using 14 gauge speaker wire (about 8 feet) to sony str-dg720. But I get absolutely no sound from the speakers. I have hooked the speakers to port A set of input...


You gots ta isolate the problem.  Disconnect the speakers and hook them up to a stereo you know that works.  If you don't hear sound coming out of the speakers, then you know the speakers are fu.k.d up, so you need to look on the speakers to see if there is a fuse that is blown that needs to be replaced.  If you got sound coming through, then disconnect them and hook them back to the original stereo making sure you got a good connection and all the wires are in good and tight.  Then turn your stereo on and go through the various channels like Tuner, Tape Deck, Aux, and DVD to see if you get any sound.  Also turn the volume knob up. If you don't get any sound after all this, you know there is something wrong with the stereo your using.

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I have a jvc compact component system MX-C220 (old school, i know), and it wil shuffle through the different audio options without being prompted to do so. i don't have a remote and i keep having to run...


yeah i have the same stereo and i know what u are talking about. to fix this all u have 2 do is press the demo/fm mode button next 2 the power button. that turns off the demo which is y it switches through the different audio functions. but i have another problem with mine it works and everything but 4 sum reasons it has problems playing burned cds, it works pretty well with cds bought but burned cds usually never work or takes min or hours 2 work. any suggestions

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Center speaker


When you turn on zone 2 you are in stereo mode. The center speaker and the rear speakers will not function in stereo mode.

Try turning on zone 2 and then switch the surround mode after that and see if it helps. If it turns the zone 2 speakers off when you do that, then your unit does not support what you want it to do. Center speakers only work in listening modes other than stereo.

Most A/V receivers are designed for watching movies and they did not take this use into consideration because zone 2 would normally be in another room such as the way you have yours set up. If somebody is watching a movie in one room they would not need to hear it in another room. You would think that the designers, who are very talented to be able to come up with these type of units, would have just a little more imagination on how people would be using the equipment. Go figure!

If your receiver has a 5 or 7 channel stereo mode, it may work then. You can try, but I don't think it will help.

I have even seen some receivers that have the center channel amp being used for the zone 2 output as well. It just switches what speaker output jacks it goes to with a couple of relays which makes it impossible to use the center and zone 2 at the same time.

I guess they are just being cheap by not putting another output channel in the unit and sharing the one they have.

Why would anybody want to use the center and the zone 2 at the same time???? Sad, isn't it.

Hard to believe that such a nice receiver would have such a rediculous limit designed right into it. But they really do design them like that.

Let me know if you need more help.

Dave

Aug 08, 2008 | Yamaha RX-V2300 Receiver

3 Answers

Car stereo problem


Some units also have an ignition wire that must be hot for the unit to turn on. Other than that, I can't think of anything else other than a bad unit.

Hope that helps...

Geno

Apr 03, 2008 | Audio & Video Receivers

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