Question about Car Amplifiers

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I have a broken car amplifier. where can i send it to to get fixed

Blown car amp

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  • vzamudio Feb 14, 2009

    i have an alpine mrp-m450 amplifier, the red light for protection comes on, What can I do.

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Send it to the manufacturer for repair

Posted on Nov 02, 2008

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Up tour ***

Posted on Jan 27, 2009

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I have a Sony Xplod 800w Amp running a 10' Sony Xplod Amp....i unhooked the amp to do some moving and i tried to put it back in today and it didnt have any sound coming from it! I did notice the power...


it sounds like it could be a blown channel in the amp. if the sub was blown it would still work just sound horrible. i have blown many subs and amps. you can bring it to an audio shop near you and they can fix it. i just got one of my channels fixed for 35$

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I got a punch 450.4 car amplifier that a friend gave to me that is stuck in protect mode. he had it pushing two kicker L7 4 ohm dvc subs. is it fixable and if so what would i have to do to fix it?


Capacitors are blown on the output side most likely. That amp isn't made for subwoofers. It will cost about 100 bucks plus shipping to send it to a competent electronics shop that has the ability to to that. If you are handy with a soldering gun, you have open it up and look for blown capacitors and replace them yourself. They sell them all at Radioshack.

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My pyle plmra 220 600 watt 4 channel amp blew out, pyler said it would be 50 dollars to send it in to them so i said to heck with that and oppened her up and found a capacitor blown, but when i replaced...


outputs also blown, go to ebay and buy a better amp form the same price you would have paid for pyle to fix that one, just keep playing with that one and you will get better at repairs, thats how i learned to fix amps.

Dec 13, 2010 | Pyle - plmra220 - Marine 600 Watt 2...

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How do i fix my diesel audio car amp


It might also be your aux cord. I don't know how your car is set up but it's the same with mine and i just had to replace my aux cord.

Mar 03, 2010 | Diesel Audio NS-1000 Car Audio Amplifier

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How do you fix a blown fuse circuit in a lt1440 power acoustik amp


Just replace the blown fuse with one of the same amp rating... If the fuse keeps blowing you'll wanna recheck your wiring and make sure you don't have a short somewhere.

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Rockford P3001 amp not working


peel the cover completely off the amp and give it some power- if the amp is blown there will be a tiny light lit up on the circiut board that quite simply says "SHORT"-If its blown then theres nothing you can do unless you are a badass of course- but if the amp is dear to you and you want to spend a little money on it to get it up and running again- go to rockfords website and get into the forums and ask the question-where do i get my fosgate fixed and it will pull up some mumbo jumbo but it tells you about a place called LANDIS TECHNICAL that bought up all the parts to their amps and is in the business of restoring the amplifiers to their factory specs and even sends you a new power certificate to go with your new and improved amp.hope that helps you-

May 26, 2009 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

Amp gets power but doesnt send anything through speaker wire


There are several things that could cause this that i know of, bad ground not being one of them.
A bad ground terminal should cause a noticeable distortion in sound and cause the amplifier to turn on and off.
If you are getting power and no sound, the first and easiest thing i would check is your RCA wires. Replace them with known good wires.
If that does not work, are you positive the speakers you have hooked up to your amplifier are not blown?
If available, use a DVOM to check resistances on the coils on your speakers. An open lead reading indicates a blown voice coil.
Also make sure that your speakers are each hooked up to a positive and negative terminal, as some amplifiers have two positives next to each other and two negatives, while others go + - + -.
Your amplifier could also have bad input or outputs, but i would try these other easy fixes before resorting to buying a replacement amplifier.
The only other cause to my knowledge would be bad RCA outputs on your head unit.
If possible try with a head unit you know the outputs work on.

Hopefully one of these suggestions solves your problem.


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2 Answers

I need repair help. no schematics


Blown Mosfets
A thumbs up would be greatly appreciated if this answer is helpful to you. need-repair-help-no-schematics-zb4bomd1rt4qms0dqd12kkt2-5-0.jpg

Nov 08, 2008 | Lanzar VIBE266 Car Audio Amplifier

1 Answer

My amp


Check your speakers with an ohm meter. They should have some resistance but not totally shorted. Its prob the amp that got fried. Connect the amp to the battery with no speakers attached to it if the protection light still comes on then the amp is blown.

If the amp is blown you can send it to people on ebay and get it fixed pretty cheap. Good luck!

Aug 18, 2008 | JBL GTO75.4 Car Audio Amplifier

1 Answer

My amp went into protect


See my solution for: http://www.fixya.com/problems-solutions/t115301,p424435/Eclipse-Car-Amplifiers.aspx And they shouldn't need a schematic unless they can't read the part numbers of the fried components.

Jun 08, 2006 | Jensen A600HLX Car Audio Amplifier

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