Question about Sony Xplod XM-554ZR Car Audio Amplifier

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Amplifier does not work

No power

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  • blueextc3221
    blueextc3221 Dec 26, 2008

    Fuse needs replaced.

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Make Sure Remote Wire Is Hooked Up Right, And Power, And The Ground Which Is Common For Me.

Posted on Jan 02, 2009

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Ok, i interested in the technics se a900s amplifier, just for vu meter use, not amplifier,and...


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May 12, 2016 | RCA Car Audio & Video

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APX200.2 Marine Power amplifier. Problem: No audio, No power light on amp. 12V to amp is good, fuse not blown. Head unit works.


is the remote power good? also, make sure you have good ground(grind the connection clean if connected to chasis). If that don't work and the fuses on the amp are good, then the amp is blown.

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I've purchased a Pyle amplifier... It doesn't work!


your first mistake is buying anything pyle..... check your remote wire that should do the trick

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I cant figure out wh y my sony xplod 500w amp isnt working... i have everything connected but it still isnt wotking


REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT POWERS UP FINE,THEN PROCEED TO CONNECT THE SPEAKERS FIRST AND SEE IF IT STILL POWERS UP FINE, THEN MOVE ON TO RECONNECT THE RCA INPUTS. AT THIS POINT YOU SHOULD HEAR MUSIC, IF NOT AND THE AMPLIFIER IS POWERED UP AND NOT GOING INTO PROTECTION, THEN YOU MAY HAVE AN INPUT PROBLEM FROM THE RADIO. IF THE AMPLIFIER FAILS TO POWER UP AT ALL AND YOU HAVE VERIFIED THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. YOU CAN CHECK THE VOLTAGE TO THE REMOTE TERMINAL TO MAKE SURE THAT IT ABOVE 11 VOLTS, AS SOMETIMES A FAULTY REMOTE OUTPUT FROM THE RADIO CAN SOMETIME FAIL TO TURN AN AMPLIFIER ON. REMEMBER IN ANY CASE YOU ONLY HAVE AN AMPLIFIER, AN INPUT AND A SPEAKER. USE THIS PROCESS TO HELP YOU DETERMINE WHERE THE PROBLEM IS LOCATED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Nov 16, 2009 | Sony Xplod XM-554ZR Car Audio Amplifier

2 Answers

Trying to power a amp with 16 volts. possible?


Golf carts do not have a charging system. If you are going to use battery power only, why not just add (1) 12V car battery instead of (2) 8V??

MA Audio runs (ran) their bench tests @ 17V. All the power ratings advertized are at 17V.

The power supply for the hk4000D is unregulated. So the more voltage = more power.. 8V-16VDC.

  • RMS Power @ 14.4V
    • 1800W x 1 @ 4 Ohm
    • 3600W x 1 @ 2 Ohm
  • RMS Power @ 17.0V
    • 2000W @ 4 Ohm
    • 4000W @ 2 Ohm
    More input voltage means the amplifier will have to work less hard to make power.
    Don't expect the amplifier to work for very long however. the current drain on a class D amplifier is huge. There are no on-board fuses protecting the power supplies, so be sure to have at lease a 150A power line fuse.
    With 150A current draw - even with the amplifier at 1/2 gain - expect to get 10.6 minutes of listening time from your 16 volts before recharging - also note, the amplifier MUST see 8V to turn on, there is a built-in voltage sensor that will shut down the amplifier if voltage is too low.
  • Jan 23, 2009 | MA Audio HK4000D Car Audio Amplifier

    1 Answer

    I have a rockford fosgate p250.2 amp hooked up to two 12' subs but the amp is not powering on... instead the protect light is on and im not sure if its because its so cold outside... please help and thank...


    Remove the load from the amplifier (subs) and the RCAs
    Retry.
    If the light stays on, there are internal problems with the amplifier, and it needs to be serviced.
    If the amplifier works normally, attach the RCA's and power on again.
    If it remains on, connect one sub, and then the other.
    Your amplifier is a 2 channel amplifier rated at
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    125 Watt - 2 Ohm - 2 channel(s)
    250 Watt - 4 Ohm - 1 channel(s)
    Your amplifier is not rated for a 2 ohm mono load.
    If you have Single voicecoil subs wired in parallel, you have a 2 ohm mono load - your amplifier will eventually fail.

    Jan 16, 2009 | Rockford Fosgate Punch P2502 Car Audio...

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    Amplifier does not work


    remove the speaker wires and re-test. If the amplifier powers on, without fault, you know the sub(s) and/or wiring are the culprit. If the power and ground are ok, take the amplifier in for service. The indicators are there to let you know of a problem. If it is an internal one, a certified tech will be required.

    Dec 17, 2008 | Orion HCCA-D5000 Car Audio 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

    Amplifier Not powering on.


    Amplifier power problems are generally pretty easy to troubleshoot as long as you have access to a digital multimeter. You need to check the DC volts on the power terminal and on the remote terminal. For the amplifier to turn on, each terminal needs to show around 12 volts. From the sound of it, I suspect a problem with your main power wire, but the multimeter will make certain. If you show voltage on both terminals (with the black probe on the ground terminal) and the amp still doesn't turn on, then there's a defect in the amplifier.

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