Question about Power Acoustik TS1440-2 Car Audio Amplifier

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MH master amplifier power light not turning on

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With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Posted on Jan 16, 2008

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Posted on Jan 02, 2017

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1 Answer

Why does my green power light blink and my amp not work


There are three status indicator lights on the top of the amplifier. These are as follows:
1) "Power" (Green): lights to indicate that the amplifier is turned on and operating normally.
2) "Thermal" (Red): lights to indicate that the amplifier has exceeded its safe operating temperature, putting the amplifier into a self-protection mode, which reduces the power output of the amplifier. The red light will shut off and the amplifier will return to normal, full-power operating mode if the heat sink temperature drops back to a safe level.
3) "Low ω" (Amber): lights to indicate that the impedance of the speaker load connected to the amplifier is lower than the optimum impedance load range for the amplifier. When this light is on, a protection circuit engages and reduces the power output of the amplifier. The amber indicator will also light when a short-circuit is detected in the speaker wiring (this can be a short between the positive and negative speaker wires or between either speaker wire and the vehicle chassis).


There is only one condition that will shut down an undamaged 500/1v2 completely... If battery voltage drops below 10 volts, the entire amplifier will shut itself off. The green "Power" indicator on the top of the amplifier will turn off when this occurs. The amplifier will turn back on when voltage climbs back above 10 volts. This may happen in a rapid cycle when bass-heavy program material causes a weak charging system to dip below 10 volts momentarily. If this is happening in your system, have your charging system inspected to make sure it is working properly.

If your amplifier is blinking Green, and no output is coming out of the speaker, you may have internal damage to your 500/1 Amp.

"My amplifier turns on, but there is no output"
  • Check the input signal using an AC voltmeter to measure the voltage from the source unit while an appropriate test tone is played through the source unit (disconnect the input cables from the amplifier prior to this test). The frequency used should be in the range that is to be amplified by the amplifier (example: 50 Hz for a sub bass application or 1 kHz for a full range / high-pass application). A steady, sufficient voltage (between 200mV and 8.0-volts) should be present at the output of the signal cables.
  • Check the output of the amplifier. Using the procedure explained in the previous check item (after plugging the input cables back into the amplifier) test for output at the speaker outputs of the amplifier. Unless you enjoy test tones at high levels, it is a good idea to remove the speaker wires from the amplifier while doing this. Turn the volume up approximately half way. 5V or more should be measured at the speaker outputs. This output level can vary greatly between amplifiers but it should not be in the millivolt range with the source unit at half volume. If you are reading sufficient voltage, check your speaker connections as explained below.
  • Check to ensure that the speaker wires are making a good connection with the metal inside the terminal block. The speaker wire connectors are designed to accept up to 8 AWG wire. Make sure to strip the wire to allow for a sufficient connection with the metal inside the terminal block.

For immediate assistance please call our Technical Support Department at 954-443-1100.
Otherwise, check this site out for Technical Assistance with your Amp:
http://mobile.jlaudio.com/support_pages.php?page_id=130

Here is your Manual:
http://mobile.jlaudio.com/pdfs/13320.pdf

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

May 25, 2011 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

My amp stopped workin, when i turn the stereo on, the green light is on, then when the music starts to play it turns red and stops working,


The red light on amplifier relates to power supply while the green light is indication of sound functionality. An amplifier that allows sound to generate should display both red and green lights. Howeever, some amplifiers would display only green as long as the sound is functioning.

Solving the problem

First, a red light still on means the power connections to the amplifier is fucntional least requirng repairs.

Second, the green ligh should turn on once the stereo were tuned up to produce sound. If the stereo is still on only least produce sound on the amplifier, check on the connection wires between stereo to amplifier that may have disconnected due to woofing or dubbing sound generals with unfirm wiring.

Third,

Jan 28, 2011 | JVC KS-AR7501D Car Amp

2 Answers

My phoenix gold x200.4 amp turns on but the protect light keep on flashing


  • What does it mean when the LEDs flash on my amplifier?
    With most recently produced Phoenix Gold amplifiers, a flashing/blinking LED is an indication that the unit is in protect mode, usually due to an overcurrent condition caused by an internal short, external short (speakers), or low impedance. Overheating will also cause the amplifier to shut down temporarily.

    If amplifier remains in protect mode, power down the amplifier, disconnect the speakers, and power up again. If LEDs continue to flash, there is probably an internal problem with the amplifier that will require service attention to fix.
  • Sep 23, 2010 | Phoenix Gold ZX600ti Car Audio Amplifier

    1 Answer

    Power not running constantly through amplifier


    You might check your ground cable for poor connection. If it is attached to the painted chassis of the automobile, the paint needs to be scraped off a little. Or go to a local audio shop or Walmart and buy a cheap capacitor. It is supposed to hold power in itself providing the amp constant power for just this reason.

    Dec 07, 2009 | Infinity Reference 7541a Car Audio...

    1 Answer

    Protection Light Comes on


    your amp isnt getting enough power to it you may need to install a compacitor unit

    Mar 23, 2009 | Sony NTX-2136 DHD 2Channel Car Amplifier...

    2 Answers

    500.1 amp power lights blinks on and off


    Protection mode; follow this link to get a manual for the amplifier: http://mobile.jlaudio.com/products_amps.php?amp_id=439

    Below information is from the manual:

    Status Indicator Lights / Protection Circuitry
    There are three status indicator lights on the top of the amplifier. These are as follows:1) "Power" (Green): lights to indicate that the amplifier is turned on and operating normally.
    2) "Thermal" (Red): lights to indicate that the amplifier has exceeded its safe operating temperature, putting the amplifier into a self-protection mode, which reduces the power output of the amplifier. The red light will shut off and the amplifier will return to normal, full-power operating mode if the heat sink temperature drops back to a safe level.
    3) "Low ω" (Amber): lights to indicate that the impedance of the speaker load connected to the amplifier is lower than the optimum impedance load range for the amplifier. When this light is on, a protection circuit engages and reduces the power output of the amplifier. The amber indicator will also light when a short-circuit is detected in the speaker wiring (this can be a short between the positive and negative speaker wires or between either speaker wire and the vehicle chassis).
    There is only one condition that will shut down an undamaged 500/1v2 completely… If battery voltage drops below 10 volts, the entire amplifier will shut itself off. The green "Power" indicator on the top of the amplifier will turn off when this occurs. The amplifier will turn back on when voltage climbs back above 10 volts. This may happen in a rapid cycle when bass-heavy program material causes a weak charging system to dip below 10 volts momentarily. If this is happening in your system, have your charging system inspected to make sure it is working properly.
    For information on troubleshooting this amplifier, refer to Appendix E (page 21).

    Jun 25, 2008 | Jl Audio E1200 Car Audio Amplifier

    1 Answer

    Power lights


    no that is not normal. That means your amplifier is still getting power. Try connecting your remote wire from your cd player, to an on / off switch (auto parts store) and from the on / off switch to the amplifier. When you turn your car off, turn the switch off and your amp will no longer have power.

    Feb 20, 2008 | Audiofonics ADF-241 Car Audio Amplifier

    1 Answer

    Power light on but dims


    It is due to the power amplifier complaint . power amplifier is damaged .Replace the component by an expert

    Jun 01, 2007 | Sony XM-2165GTX Car Audio Amplifier

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