Question about Alpine MRD-M1005 Car Audio Amplifier

Volt signal is coming on

I am having a problem with this amp when I hook the amp up and turn it on, it says VLT in the display window?? no bass comes out the sub or nothing? Does any one know anything about this????????

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Brian Neathery

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156 Answers

According to the owner's manual, this indicates that the input voltage (power supply) is too high. Assuming that the amplifier isn't defective, this might indicate a problem with the vehicle's alternator. Does the problem also occur with the engine off? Use a volt-meter and test the voltage at the amplifier's power terminals. With the engine running, you shouldn't see a voltage reading higher than 14.4 volts. If you see a significantly higher reading, it's time to have your vehicle's charging system checked. If the voltage is at 14.4 volts or lower, and the problem still occurs, then there's a defect in the amplifier.

Posted on Jul 02, 2007

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I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest

1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

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If the fault occurs even with the engine switched off , there is no reason of excess voltage but if the inverter DC-DC convertor within is faulty it can cause this error.
You can remove the covers and check for any visible signs of capacitor leak or burning. Unless the circuits are isolated the fault cannot be traced or confirmed. It can be a short in any of the regulators or drivers but has to be confirmed.

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The amp worked fine for about a year then one day the bass would not play through my subs properly sounding like a cd skipping only with the bass i would turn volume down and it would work fine until a...

When you hooked up your amp, did you hook it directly to the head unit so that it didn't come on with the car? Did you find the inline fuse in the amp positive cable? Few things to check..

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Wont turn on. everything should be connected properly, got new fuses to make sure. It worked fine until i dismounted and disconnected it from the battery. When i reconnected it, no luck it is a Autotek...

Make sure this high powered amp is not mounted directly to the chassis of the car. Mount it to a wooden board and you can screw board into the car. Because some very high powered amps can arc and damage itself.

Next make sure the tubular fuse in the hood is not bad it may look good but internally it got real hot and caused a bad solder connect in the fuse. You can test it with a meter. Measure one side then the other side if the 12 volt is going thru the fuse.

Next step is now you know your amp is getting 12 volts from the car battery but do you know if your amp turn on signal is turning on the amp itself. This is a easy test get a little wire and jump the 12 volt to the amp turn on wire if the amp comes on then you have found your problem. The amp turn on voltage is too weak were ever youve connected the signal. Normally you hook it up to the blue/white wire on the back of the radio first. If it doesnt have one hook up to the blue. Now on some very rare occassions the voltage drops when you put a load to it and is not enough to turn on your amp you can easily see this if the voltage across the blue wire goes below 12volts so hook it up to the red ignition wire so at least when you turn on your radio the red will send 12 volts to the amp to turn it on and will not drop in voltage. You see that wire has to be 12volts when it drops the amp will not turn on. Same with the battery Voltage you have to maintain 12 Volts or higher for the amp to operate.

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Umm.. subs are usually meant for bass. do you mean amp power wire? if you just want to be able to hear the mid's and highs better just turn the bass down either on the equalizer on your amp or on your cd player.

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HOW TO CHECK RESET SIGNAL ON PCI SLOT OF MOTHERBOARD

you can find out on A15 pin for reset and B16 for clock .
reset singnal have around 5 volt and clock have 1.7 vlt

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Volt signal is coming on

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Brian Neathery

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Related Questions:

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest

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HOW TO CHECK RESET SIGNAL ON PCI SLOT OF MOTHERBOARD

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MRD-M1005 Car Audio Amplifier

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest

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Alpine MRD-M1005 Car Audio Amplifier -

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cur displayed on the lcd cur is displayed on the lcd screen & the amp doesn't work

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Volt signal is coming on

1 Answer

Brian Neathery

Add Your Answer

Attachments: Added items

Related Questions:

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest

Alpine 345 amp flashes VLT

Im trying to hook up two 15" Kicked Comp15 subs to a SPL DK2-1000 amp and when i got it hooked up no bass comes from the subs. i have tried wiring it multiple ways and still nothing. only one works at...

The amp worked fine for about a year then one day the bass would not play through my subs properly sounding like a cd skipping only with the bass i would turn volume down and it would work fine until a...

Wont turn on. everything should be connected properly, got new fuses to make sure. It worked fine until i dismounted and disconnected it from the battery. When i reconnected it, no luck it is a Autotek...

Amp burned out but fuses still good?

The radio on my 2003 Envoy quit working. The display on the radio says "need amp." A new amp was put in and the radio still does not work. What could be wrong?

Amp wire pushin to much base out of car speakers and not to subs

Sound is coming out but no bass

HOW TO CHECK RESET SIGNAL ON PCI SLOT OF MOTHERBOARD

Not finding what you are looking for?

MRD-M1005 Car Audio Amplifier

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest

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Alpine MRD-M1005 Car Audio Amplifier -

alpine mrd m1005 amp cooling fans wont come on

cur displayed on the lcd cur is displayed on the lcd screen & the amp doesn't work

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