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An Orion car amplifier that blows fuses when CD palyer turned on

I have an Orion Extreme 2 channel 375-2 car amplifier that keeps blowing fuses when I turn on the CD player. What can be my problem and how do I fix it? It has an internal crossover configuration which is called intelliq. It has left and right phase control switches, high pass and low pass switches. Each channel puts out 98.75 watts/channel. Equipped with remote gain capabilities and is capable of 3, 2, or 1 channel operations with a maximum power capability of 375 watts into 4 ohms mono.

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  • Orion Master
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Running Inline fuse to battery suggested by CRTN can be a solution to the AMP overloading and blowing fuse in the box, this also requires new wirings and you bypass fuse box, therefore can sort out also wiring problems. If not done properly the wiring job can mess up your car and damage more device, the job can be more complicate then you expect, and it is better done by a technician.

Moreover your unit is blowing fuse when you turn on the CD, therefore it is not necessarily a charge load problem, even if this is the most likely eventuality, as when you turn on CD, the power absorbtion from unit, and therefore the load on fuse increases.

Before running a direct inline, check all the wirings, paying particular attention to the connectors at the back of the units.
A lose fibre that is shorting can easily be cause for the problem.

Posted on Jan 10, 2009

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Its definately the connection issue as the circuit is getting over loaded current from its connections.just check out the wires properly either they r connected loose or they r having a small cut in between so its blowing the fuse as the circuit becomes incomplete.in such casses just replace the wires and that will be fine.

Posted on Jan 09, 2009

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  • Master
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Ur facing a shorting out in the board

chek it using multimeter.

then remove it

most likely it would be in the disk player system.

Posted on Jan 09, 2009

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  • Master
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You Need To Run An Inline Fuse Directly To The Battery.
You Can Buy Them At Radio Shack Cheap. This Is Your Fix As The Power Surges On Start Up. The Amp Needs Its Own Inline Fuse. Directly From The Positive Battery Terminal To The Amp. The Other Negative Can Just Be Grounded. Heres A Picture Also You Can Buy Them At Best Buy Circuit City And Wal-mart. Happy Fixing
http://www.radioshack.com/product/index.jsp?productId=2103778

Posted on Jan 09, 2009

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  • Master
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Mostly all amps have a relay against short circuit and all have a fuse on the output stage.But i guess yours is very cheap or very old that would explain for no protection circuit.

But I suggest you first, fit a relay on the just before the output stage on each channel and then replace all the transistors.

Posted on Jan 09, 2009

  • Legin Varghese
    Legin Varghese Jan 12, 2009

    let me know if you need further assistance. Thanks kevin

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  • Master
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What size fuse is it, and is it in the main power line, or on the amplifier?

Posted on Jan 09, 2009

  • 3 more comments 
  • blueextc3221
    blueextc3221 Jan 09, 2009

    Step one : isolate the amplifier



    remove all wires and only attach Pos, Neg, and rem.



    If the fuse blows, the problem is internal and needs to be serviced.

    If the fuse is good... check with a voltmeter set to ohms that the voicecoils register the proper resistance.

    Hook one up... then the other....

    If the amplifier is STILL on without blowing fuse, attach one RCA and then the other (while powered on.)

    A fuse blown here indicates the other end is hitting bare metal. Remove the radio and tape up the used and non-used rca jacks.



  • blueextc3221
    blueextc3221 Jan 09, 2009

    In the above comment i made, it is the speaker's voicecoils you are checking resistance for.

  • blueextc3221
    blueextc3221 Jan 09, 2009
  • blueextc3221
    blueextc3221 Jan 09, 2009

    it would also help to know the components attached to this amplifier... subs, coaxials... factory speakers... etc

  • blueextc3221
    blueextc3221 Jan 09, 2009

    Let me know, and i will help you further.

    The amplifier is seeing something it doesnt like. Most of the time it is a ground thru the power supply. Indicating blown speakers, or bare wires touching metal.

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