Question about MA Audio M1889I Car Audio Amplifier

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Amp randomly comes on and off

My amp will play for a couple of days or weeks then randomly shutoff all wires are good no power to amp no leds lit up but power wire has charge changed fuses idk anymore im lost

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You may have an intermittent power problem. You will need a schematic and a multimeter to the the power supply voltages in the amplifier.

Posted on Sep 08, 2007

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Posted on Jan 02, 2017

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My amp just stopped working one day almost new dont known why


DID YOU CHECK YOUR FUSES? Is there anything lighting up on it to see if it is in fact turning on? If it's lighting up and there is no protection lights lit up then check your speakers to make sure you didn't burn them up. If there is a protect LED lit then unhook your speakers and see if it stays lit or not. If it stays lit then check to make sure you're getting enough voltage at the amp connection, minimum of 11.0 volts is required just to get it to turn on. If it has under voltage and over voltage protection LEDs see if they're lit. If you do all of these things and are getting enogh voltage, your speakers are not burnt, your protection LEDs are lit no matter what then you need warranty repair that amp. If your speaker wires are shorted it will make your amp shut down also, but since you were using it for a day or so my bet is that you burnt up one of your speaker voice coils and it's internally shorted and that will cause your amp to shut down in protect mode. Otherwise you probably internally fried your amp by too low of voltage or not enough current (amperage) due to not large enough conductor (too small gauge wire) should be minimum of 8 Ga. for each amp, 2 amps will require 4 Ga, 3 or more will need 2 Ga, or 0 Ga. wiring to keep the voltage and current flow high enough to keep from damaging the amps. Good Luck!

Aug 20, 2013 | Phoenix Gold RSd1200.1 Car Amp

1 Answer

My fosgate amp was workin an now it wont trun on can u help me out plzzzzz.....thanx for ur time...


First check your fuses, all fuses. Then check to see if it's getting voltage to it, look to see if any of the LEDs are lit up, power, protection (over /under voltage, overload (short)) or none. If the power LED is lit & no others then check your RCAs coming into the amp by replacing them or using a multimeter set to ohms to make sure they are not loosing a connection due to wire breakage inside the casing. Cheap RCA's will easily disconnect inside the plug just from twisting them. If they are good and are not disconnected from the head unit, then check your speakers for damaged coils or loose wires, who knows they may have fallen off? If your amp has more than just power LED lit then you may have a short in your speakers or wiring disconnect the wires to see if the protection LED goes away. if not and it's still lit then repair the amp. If there are no LEDs lit at all, check your remote turn on wire from your head unit to make sure it sends out a 12 volt signal to the amp. You can also jumper a wire from the 12v battery connection over to the remote turn on connection to see if it will power up. If not then check power wires and connections, fuses, Battery , alternator, voltage regulator, etc.. any thing that has to do with your cars electrical system may have fried from the current draw by your amp.

Aug 20, 2013 | Rockford Fosgate Punch 400a4 Car Audio...

1 Answer

Wii randomly stopped working, wont turn on


Wii Console Turns On, But Has No Power Light Situation:
  • The power LED on the system does not come on, but the system still powers on and plays

Information:
If the Wii Console is still working normally, it is likely that the power LED is broken.
This issue will remain limited to the Power LED, and will not get any worse.
Unless the system is having other problems, continue using the console regularly for a few weeks to determine whether this interferes with the enjoyment of game play.

Situation Not Resolved:
If, after using the system for awhile, the Power LED not coming on is too distracting, the Wii Console does carry a one-year warranty.
We are happy to inspect and, if necessary, fix the system at no charge within the warranty period. To start the repair process, click here.
function rvl_ts_sys_power_no_light_showsurvey(){ omnitureHelp("helpful_survey:rvl_ts_sys_power_no_light",JSchannel,JSprop6,"",""); } var req; var timeout; function rvl_ts_sys_power_no_light_psurv(a,sid,pid){ if (window.XMLHttpRequest)req = new XMLHttpRequest(); else if (window.ActiveXObject)req = new ActiveXObject("Microsoft.XMLHTTP"); if(a=="yes"){ document.getElementById("rvl_ts_sys_power_no_light_s_yes_button").innerHTML=""; document.getElementById("rvl_ts_sys_power_no_light_s_no_button").innerHTML=""; } else{ document.getElementById("rvl_ts_sys_power_no_light_s_yes_button").innerHTML=""; document.getElementById("rvl_ts_sys_power_no_light_s_no_button").innerHTML=""; } var url="/consumer/surveys/surveySubmit.jsp?a="+a+"&sid="+sid+"&pid="+pid; req.open("GET", url, true); timeout = setTimeout("techDif()", 5000); req.onreadystatechange = rvl_ts_sys_power_no_light_psurvr; req.send(null) } function rvl_ts_sys_power_no_light_psurvr(){ if (req.readyState == 4) { if (req.status == 200) { clearTimeout(timeout); var outString=req.responseText.substr(req.responseText.indexOf("##")+2); outString=outString.substring(0,outString.indexOf("##")); document.cookie='rvl_ts_sys_power_no_light=answered; expires=Wed, 28 Dec 2011 02:16:21 GMT+00:00; path=/'; document.getElementById("rvl_ts_sys_power_no_light_s_folowup_div").innerHTML=outString; } } } function rvl_ts_sys_power_no_light_techDif(){ //it broke document.getElementById("rvl_ts_sys_power_no_light_s_folowup_div").innerHTML="Thank you for your interest in helping us improve our content. It appears our survey system may be temporarily down. Please try again later. If you need further assistance, Click Here to contact us."; } function rvl_ts_sys_power_no_light_clearboxsurv(whatto,box){ if(box.value==whatto)box.value=""; } function rvl_ts_sys_power_no_light_fsurv(form){ var url="/consumer/surveys/surveySubmit.jsp?p=7" var reasonSet = false; for(var i=0;i-1)reasonSet=true; }else if(form.elements[i].name.indexOf("question2_answer")>-1){ url+="&"+form.elements[i].name+"="+escape(form.elements[i].value); }else url+="&"+form.elements[i].name+"="+form.elements[i].value; } if(!reasonSet){alert("To help us improve our content, please indicate why this page wasn't helpful");return false;} if (window.XMLHttpRequest)req = new XMLHttpRequest(); else if (window.ActiveXObject)req = new ActiveXObject("Microsoft.XMLHTTP"); req.open("GET", url, true); timeout = setTimeout("techDif()", 5000); req.onreadystatechange = rvl_ts_sys_power_no_light_psurvr; req.send(null) }

Dec 23, 2011 | Nintendo Wii Console

1 Answer

I have a 1988 gmc k2500 with 5.7 tbi. The gauges fuse blows randomly.when this fuse blows the gauges go out and the alternator quits charging and truck will die due to electric cooling fans. Alternator...


Some thing in the instrument panel has shorted out or the wire from the fuse to the panel., pulling to many amps. If you could do without the panel for two days you would find out if it's the panel or the wires before. Electrical problems are no fun. I'm into a Ford that I just got running (second day) And there are still problems. (stupid computers). For the wires a good place to start is behind the fuse panel

Jul 05, 2011 | 1988 GMC K2500

1 Answer

My alitnator pump around 13.5 when running could that be over chargin my batery,, if i dont drive it for a couple days my bat is dead i charge it but there not enough amps to turn over,, i bought a new...


should charge at more like 14.2 volts running. Don't know what year it is ,diag on a chrysler product is usually simple.Earlier firewall mounted regulator ? ground the striped wire (white,green stripe I think)Should charge like 15-18 volts with the wire grounded Later engines the regulator is in the alternator. Have to change it.
Needs to charge harder than 13.5 tho.

Oct 07, 2010 | Dodge Ram 1500 Cars & Trucks

1 Answer

My calibra amp lit the red power led (to show protection )now my subwoofer won't play


disconnect sub woofer , amp may reset and light will be steady , if so replace wireing to sub and sub its bad

Oct 06, 2009 | Car Audio & Video

1 Answer

Led light turns red and the turns off but the amp


In Car Amplifiers have 3 main power wires:
Live +12v (Fused wire direct from the + side of the cars battery)

Ground (Direct to car earthing point (anywhere cleaned of paint for good connection)(I tend to use boot lock)

Remote (This wire should be connected with the switched live wire coming from the back of the stereo, this is Only live when the cars ignition is on)(there should be 2 power wires coming from the stereo usually red live +12v and yellow switched live, depending on the cars original wiring, try moving the remote wire from where you have it, to the other live wire

Hope this is of some help
Aaron

Aug 08, 2009 | Nitro BMW-482 Car Audio Amplifier

1 Answer

Mainboard shutdown


Never do that to fuses, search the web (especially the site of your laptop's maker) for common cures to your situation, and failing diagnosis recommending a particular cure, don't do stuff at random.  That sort of thing sort of sounds like a battery issue; won't the thing come on with no battery, but the power power connected?

Sep 10, 2008 | Intel Motherboard

1 Answer

Power LED lit, Servo LED lit as well, no output


check the power cables on the amp and the inputs.isome time when ground cable disconnect the lioghts will light up any way. depending on the way ur vehicle is ground ed .toyota chssis r usually posite un like the norm which is neg.rating please

Jan 21, 2008 | Infinity BASSLINK Car Subwoofer

3 Answers

Red LED "Protection Light is on" What is the problem


The red light means the amp is in protection mode. A few things can cause protection mode..... First disconnect the subs completely from the amp, and turn it on, if it powers up you have blown subs. Also try checking the main power wire at the battery...sometimes the current your meter is seeing is backfeeding from the remote wire, so your main power line could be blown at the fuse under the hood. hope this helps

Jul 17, 2007 | Crunch BlackMaxx BMX2250 2 Ch 1000W Amp...

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