Question about Kicker ZR360 Car Audio Amplifier

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My amp

Its acting like its ground when i touch or get my hands near it or touch the rca jacks or when i turn it the amp up

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Ok, I had this problem before. If there is a metel part of the car near it, connect the neutral wire to it,. basically you are re-inforcing the ground and it should not "hum" anymore.

Posted on Jun 18, 2008

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1 Answer

Grounding issue


The preferred approach is to run a ground cable from the turntable to the ground post on the back of your preamp or receiver. This keeps buzz and hum out of the audio signal. If your receiver doesn't have a ground post, you'll have to connect the ground to one of the RCA signal jacks. In both cases the question is, when you have two grounds, which one to connect? You'll have to determine this by trial and error. My guess is you'll get the best results by connecting both, so start with this arrangement. Connect the turntable's audio cables from its RCA jacks to the receiver, select the phono input, and turn it on (with the volume turned down). Turn up the volume until you can hear hum or buzz. Then connect a piece of wire to the ground post on the turntable panel and touch the other end to the ground post on the receiver or to the RCA jack/plug's outer ring. If the hum/buzz goes away, you're good to go and can connect the wire permanently. If not, try the ground cables individually and use the connection that works best.

Sep 29, 2014 | Numark TT1510 Turntable

1 Answer

Bose wave radio CD RCA inputs buzz after a few minutes of playing input from my computer. When I touch the jacks the buzz usually goes away for several more minutes.


i probably wouldnt try souldering them because you have a high chance of melting that wire since it is extremely thin and its usually fiberoptic but you may have something frayed inside the input jack itself like a loose ground or a loose connection i would look their as well. When it comes to music i would throw away the input chords and buy new ones

Jan 11, 2014 | Bose Wave radio/CD remote control -...

1 Answer

Power but no sound help plz....


well here we go how do you have your pioneer radio connected .
did you run the radio speaker wire out to the factory speaker or did you have an amp connected to the rca output jacks.

1 well if the radio connect by the speaker wire out the
output chip in the radio is fried and needs repair ....

2. if u have a amp connected to power your speakers for sound
check the amp to make sure you have power and no lose connection or speaker wires disconnected.
3. it also possible that the rca jacks are fried too


I no by experience that pioneer loses ground on the audio output jack (rca) well what we did to fix it is..
take and 18 gauge wire stripe back about 1/2" to 1" of the insulation to expose the copper wire and wrap this around the metal casing of the rca jacks and then ground the wire to a ground point do this for both left and right rca jacks...

radiorepair@windowtintingin239.com

Oct 30, 2013 | Pioneer DEH-P3500 CD Player

1 Answer

My bass buzzes when im trying to record. I plug it straight into the back of my 8 track and it buzzes. When I touch the metal conection were the jack goes or touch the jack the buzzing stops. This is also...


The cause is a lack of proper earth grounding in the 8 track so your jack-lead is acting like a radio aerial. The solution is simple - buy a Direct Injection (DI) box to place between the guitar and recorder.

Feb 09, 2011 | Epiphone Thunderbird IV Electric Bass...

2 Answers

Protect


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty . Send to Rockford Fosgate for repair .A thumbs up would be greatly appreciated if this answer is helpful to you. protect-zb4bomd1rt4qms0dqd12kkt2-3-0.jpg

Jan 29, 2010 | Rockford Fosgate Power 1001BD Car Audio...

1 Answer

Hum sound when plug in. if i touch the input jack the hum sound disapear.


The best way to test your sound problem is to buy another pair of patch cables/RCA cables and try those, most likely you have a ground loop in the RCA cables, basically you are creating a ground when you touch it.

Dec 04, 2009 | Fishman Audio Amp Temp - Green Amplifier...

3 Answers

Audiobahn amp help...


You have a Direct Short in the System Between the Head Unit and the Amp. Check the Ground on the Amp and then Check all the Wires behind the Stereo and the Common Ground There. You could even have a Spot in the New RCA Cables that is Touching Metal Somewhere. Please Rate My Response! Thanks!

Feb 09, 2009 | AudioBahn A2002T Car Audio Amplifier

2 Answers

Protect Mode with RCA's


It sounds like you have some DC voltage on the RCA input.

You need to figure out if the problem is coming from the head unit or if it is in the amplifier.

If you have a voltage meter, you can use it to find out very quickly.

Set the meter for DC and for a max level of more than 12 volts. Most meters I use have a 30 volt level. That would be a good setting.

Take the black lead and make sure it is grounded to the chassis of the car or to the ground of the power terminal, be careful and make sure it does not touch anything else.

With the RCA cable disconnected put the red lead on the inner part of the RCA cable and see if there is any DC voltage and then check the ground or outer part of the cable. Do the same for the other channel as well.

It should be very close to zero volts. A couple of millivolts is fine to. Any voltage here will cause the amplifier to go into protect mode, which is what is happening to you. You will then need to have the head unit serviced.

If you have a Pioneer head unit, I have seen many of them with an open ground fuse for the RCA jack. That fuse is a surface mounted fuse and is very small and hard to locate on the main board of the radio. If you do have a Pioneer head unit the voltage may seem OK, but you will have an open ground, but that normally does not put the amp into protect. It makes the audio sound very weak and you would have a loud hum. I can help you with that if it turns out to be the problem.

If the voltage on both the RCA leads is OK, then you need to check the amplifier.

You can put the meter lead on the ground of the RCA jack on the amplifier, if you have anything abnormal there, you have a problem in the amplifier. Be careful checking this because you can easily touch the lead to the chassis of the amplifier at the same time as the RCA ground. Most of the time, if yu have a problem in the amplifier like the one you are having, this check of the RCA ground will result in some DC voltage on it. If it still checks OK, then put the lead into the RCA ground and check the positive part of it. You may need to move the lead around a little to get it to touch the metal inside, it is on the bottom part of the hole inside the jack.

I think you will find that you have some voltage on the RCA inputs of the amplifier. To fix this properly you will need to take it in to be serviced.

Sometimes you can ground the RCA jack ground somehow with a jumper wire and then turn the system on with the RCA cable plugged in and it will seem normal. But you do not want to do that as a repair, only to see if the amp will play. If it does play, you know that the problem is in the pre-amp of the amplifier. That would be the only reason to connect an external ground to the RCA jack. You still have a problem in the amplifier. If it does not play normal, you still have a problem in the amplifier if there was some DC on the RCA jack.

Sorry this answer is so long, but the problem you are having will require service of one of your units, you just need to know which one it is. If your inputs get grounded, you will not have the amp go into protect, you just won't hear anything.

Let me know if you need more help and if this was helpful to you a good rating is always appreciated.

Jun 22, 2008 | Power Acoustik TS1440-2 Car Audio...

1 Answer

Cant figure out my car audio problems!!!!!


There are a couple of tests you can perform. I'd first recommend checking the shield ground. You'll need an ohm meter. The details can be found on the following page.

RCA shield ground test

You can also test the output with the multimeter. Set the multimeter to AC volts. If it's not an auto-ranging meter, set it to a voltage range of ~2v AC. Disconnect the RCA cables from the head unit. Touch one meter probe to the outer ring of the head unit's RCA jack. Touch the other probe to the metal contact in the center of the RCA jack. With the head unit near full volume and a clean signal source, you should read at least one volt on musical peaks. If you have a bass disc or a test tone disc (~60hz sine wave), use those.

May 04, 2008 | MTX Thunder 8302 Car Audio Amplifier

1 Answer

Can't get my amp to turn on


You need to confirm that you have sufficient B+ and remote turn-on voltage.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Jan 06, 2008 | Kenwood KAC-9102D Car Audio Amplifier

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