Question about MTX Audio TC6004 Multi-Channel Amp - 300W 4-Channel with "Smart Engage" 600 Watts Bridged ThunderE... Car Audio Amplifier

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Car amp on protected mode

My car amplifier stays on protected mode i found something like burnt on the amp it says r502 where it is and i got a picture at http://img196.imageshack.us/my.php?image=0525092008a.jpg any ideas how to fix this?

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Posted on Jan 02, 2017

  • 13 Answers

SOURCE: tc 4002 audio car amp

The red light is normal and indicates the amp is powered up. Check your signal wires (RCA patch cords?) and speaker wires. Need more info to be of more help. What receiver are you using? How is it connected to the amp?

Posted on Aug 26, 2008

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1 Answer

Why my jl audio 1400d amplifier stays in protective mode?


Check for a speaker wire that come come of , Or a loose grond wire on the amp or where ever you have the ground wire connected two,

Oct 31, 2012 | Jl Audio Car Audio & Video

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My alpine Mrd-1005 has been best amp ever. But the other day it all of a sudden started blowing fuses on the amp and the current protecter mode kicks on.. as long as I keep volume down in works but as soon...


make sure there is equal amps on the fuse under the hood and at the amp...also make sure to never mount your amp to anything metal....wood only! hope this helps, mine did the same thing

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If in protect mode do i have to reset it and if do how?


turn off ur car or amp the turn it back on if it stays on the there is something frid in the amp

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Lightning Audio b2.3000.4 is in protect mode. i removed all speaks and conected the amp directly to the battery and it still stays in protect mode. what can i do to fix this problem?


  • Only a select few things can cause protect mode with the battery only connected.
  • An installation issue. Check the Power, Ground and Remote wires. Make sure non are shorting from one terminal to the other.
  • It is still overheated and has not had time to cool down from being in thermal protect mode.
  • The amp itself is touching metal. You always want something non conductive between the amp and where it is mounted, this includes the screws being used to anchor the amp. They should never touch the metal in the car either.
  • The final thing that can cause an amp to go into protect mode while only hooked to the battery is the amp itself is malfunctioning and or defective. You can try opening the amp and look for any black spots on the circuit board where an electrical component might have smoked up or blown and replace that part.

Regards, Tony

May 21, 2011 | Lightning Audio B2.300.4 Car Audio...

1 Answer

Is something wrong with my amp if the protect light stays on or is it the wiring?


It could be the wiring. Sony amps will go into protection if the ohm is to low. They usually like to see 4 ohm or higher. Unplug your speaker wires and see if it still stays in protection. If it does could be an internal thing in the amp. If it isn't rewire subs in series not parallel.

-david

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1 Answer

Protection light comes on , was only coming on when i turned up the stereo , now it stays on , all the wires are good and i cracked the amp open and nothing looks burnt


check your gain on your amp. If it gets hot the shuts off into protection mode you are over working your amp. Check to see the way your subs are wired up and see if your amp can handel the load.

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Reference 1211a Car Audio Amplifier: stays in protection mode...


Has an internal issue, if you know how to use a ohm meter, check the resistance of the wire on the interior of the amp, also check the fuses, ground, and power wire clean up the ground wire where it is connected to the vehicle

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Protection mode stays on on a samsung avr-620 home cinema, how to fix please


Think of the protection thing as a fuse. So the cause of it going off will be an overload in the power supply or main amp. Check all the parts in those sections, you might see something burnt or damaged, pay close attention to anything on a heatsink.

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Lanzar 800 watt amp protect mode stays on


protect mode usaully means that something has disrupted the power of feed lines to the subwoofer/speakers possibly fuse is blown in amp or amp is blown in which we hope not. see if you have a warrenty if blown and send back or bring it to where you purchased it from.

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Why does my amp stay in protect mode?


The most common reason an amplifier goes into or remains in protect mode is shorted output transistors. To eliminate other possible reasons for it to go into protect, read the following page.

Troubleshooting - Amp in Protect Mode

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