Question about Alpine MRD-M605 Car Audio Amplifier

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How do you turn the amplifier on if it says off?

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Do you have the remote wire hooked up to the acc. on the ignition?

Posted on Sep 17, 2010

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1 Answer

Amplifier doesnt turn on at all


The Signature line was always an HK high end line. If it won't turn on at all, there may be a power supply issue. If it turns on, but you have no sound, your amplifier may have DC Offset, meaning a damaged amplifier.
I was a Technical Support Specialist in Audio for HK, JBL and Infinity.
If you are interested in having your amplifier repaired, please look to my website at audioserviceclinic.com. Thank you.

Feb 24, 2014 | Harman Kardon SIGNATURE 2.1 Amplifier

2 Answers

When i turn up the volume my amp shuts down i turn it down and it comes back on. I have a crossfire vr1000d what am i doing wrong?


Hi,
Is the protect light in your amplifier turns on when it shuts down? If yes, then your amplifier lacks voltage. The reason why it goes on protect mode is, the amplifier is needing an amount of voltage from your car, since your car cannot provide that amount of voltage your amplifier is not getting anything, instead of getting voltage to produce watts its getting minimum voltage & producing heat, to save itself it goes on protect mode so the incoming power shuts off & cools the amplifier.
Example:
Your on vol 40, amplifier is working fine, when you turn it up to vol 50 your amplifier shuts of, then you put it back to vol 40 & your amplifier turns back on.
At vol 40 your voltage is 12v or above. but in vol 50 your voltage drops to 11 & below.

Check your battery or alternator if they are giving enough voltage


Hope this helps your inquiry. Have a blessed weekend.

Apr 24, 2011 | Crossfire Car Audio & Video

1 Answer

I get sound with radio but not with cd or USB, even though the display says they are working (cdx-gt590ui)


use the blue/white wire to turn your amplifier on. the blue wire is antenna remote turn on, the blue/white is amplifier remote turn on.
when the radio is not in tuner mode the blue wire turns off.

Feb 04, 2011 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Cant get sound in dvd mode only in radio mode


PS: Check if you car has remote wire or anterna wire.
Details below.

A relatively common problem is installing an amplifier with a factory head unit or other head unit without a remote turn on wire (or a burned out circuit). So the amplifier doesn't stay on 24 hours a day you need a way to turn it on and off remotely. Hence the term "remote turn on wire". Almost every aftermarket head unit has a remote turn on wire. Some manufacturers call it a power antenna wire. But regardless of the label all it does is output a positive 12 volts when the head unit is turned on. It should be noted that some head units have both a remote turn on wire and a power antenna wire. It's important to use the right wire for your amplifier and other electronic equipment. In the case of both remote and antenna wires the power antenna wire will only output 12 volts when the radio is on. If you were to connect your amplifier's remote terminal to the power antenna wire then you would only get output from the amplifier with the radio. When you switch to CD the amplifier would not work because the head unit turns off the power antenna wire when the radio is section is not active.
There are several ways to get your amplifier to turn on and off remotely even if your head unit does not have a remote turn on wire. The cheap and easy way is to run the amplifier's remote terminal off of a switched accessory wire. This is the wire that your head unit uses. It is only powered when the key is in the accessory or run position of the ignition switch. When you shut the car off the wire loses power and the head unit and amplifier will both turn off. Your amp will be on when your car is on and off when you car is off. If you don't want the amplifier to always be on when the car is on you could wire a simple switch inline with this new remote wire. Normally you would leave it on so that it turns on when the head unit is on. But if you wanted to turn the amplifier off you could flip the switch to off which would stop the flow of 12 volts to the amplifier's remote turn on terminal.

Baadaye Mo

Oct 26, 2010 | Clarion VZ709 Car DVD Player

1 Answer

Can kicker 1000x1 amp detect if my speaker is bad and turn itself off?


The Kicker 1000x1 Amplifier does not turn off if their is an Open Line (blown sub) on the Speaker Terminals.

  1. Remove all Speaker Wiring from the Amplifier, leaving the Power, Ground, Remote, and RCA wires plugged in.
  2. If the Amplifier fails to turn on, check your Remote wire for power.
  3. If the Remote wire is powering up with the Head Unit (should be anywhere from 5-12 Volts), check your Power wire for +12 Volts, and check your Ground wire.
  4. If you are getting +12 Volts Power and your Remote wire is putting out 5-12 Volts but your Amplifier still won't turn on, it will need to be serviced.

Jul 24, 2010 | Kicker ZX10001 Car Audio Amplifier

1 Answer

Light on remote wont turn on and it is connected to the amplifier


neg terminal to ground, positivew terminal to 12volt and jump a wire from posiitve to remote wire on amp to see if it turns on

Apr 25, 2010 | Polk Audio PA250.2 Car Audio Amplifier

1 Answer

Every time i hook up my coustic car amp the radio will turn on with out the radio on


THE GOAL HEAR IS TO DETERMINE IF THE INSTALLATION IS CAUSING YOUR PROTECTION FAULT OR IS IT THE RADIO OR AMPLIFIER ITSELF HAVING INTERNAL DAMAGE. REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL POWERS UP ON ITS OWN, THEN REMOVE THE REMOTE TERMINAL COMING FROM THE RADIO. IF THE AMPLIFIER SHUTS OFF, THEN YOU MAY HAVE A SHORTED TURN-ON TRANSISTOR WITHIN THE RADIO AND IT IS OUTPUTTING THE DC NEEDED TO TURN THE AMPLIFIER ON. IF YOU REMOVE THE REMOTE TURN-ON FROM THE RADIO TO THE AMPLIFIER AND THE AMPLIFIER STAYS ON, THEN THIS POINTS TO A FAULT WITHIN THE AMPLIFIER AND IT WILL NEED TO BE SERVICED. MAKES SURE THAT THE AMPLIFIER AND RADIO GROUNDS ARE 100%. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Jan 15, 2010 | Coustic Car Audio 401SE Car Audio...

1 Answer

Kole kx2-1440 wiring da amp up right


It is correct to connect the amp turn on wire to the amplifier remote. 5V is sufficient to turn most amplifiers on... It should be 12V optimally.
If the amplifier is not turning on with the ant. remote, the problem is with the amplifier.

Dec 30, 2008 | Kole audio QX1-2400D Car Audio Amplifier

1 Answer

Denon AVR-4802R automatically shuts off in multi-zone mode


i had the volume of the multi-zone tuned too high and was attenuating it in an external control box. Once i took the multi-zone volume down to -25db, the problem went way. My main zone was operating around -35db so did not have the problem.

Nov 23, 2008 | Denon AVR-4802 Receiver

1 Answer

Car amplifier wont turn on


Your best bet is to call Alpine directly at: 1-800-832-4101

Jul 15, 2008 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

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