Question about Sony Xplod XM-554ZR Car Audio Amplifier

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Power protector light on sony xplode 1000 watt amp

A couple days ago i was driving down the road and my ground wire came out of my amp. when i got home, i put it back in and changed the ground to a spot underneath my back seat. (1997 chevy cavalier). Then i started my car and the green power protector light comes on. I moved the ground wire back to the place i had it grounded to before and the power protector light still comes on.


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  • rkbizzle123 Jun 01, 2008

    so what do i do to make the power indicator light turn off?

  • cutepoison Mar 22, 2009

    my grounding came off and i also changed the grounding spot, whilst changing it a few of my wires came off so i put them. everytime i turn my radio up, the red light flashes for the protection. iv been able to turn it up before, so how do i turn this off?

  • Anonymous May 26, 2009

    after running two 1200watt 12" pioneer subs the subs poped a cupple of times and than the protection light came on

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A green light is the power indicator, a red light is when the protector is in affect

Posted on Jun 01, 2008

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I bought a used sony xplode 1000w amp from a friend. i hooked it up to my two 12" kicker procomps. i have a 99 nissan frintier. i have my ground under my center console with all my other ground wires. a few days ago i noticed that the green power protecter light turned red after my power wire fuse blew. i replaced it and checked alll of my other fuses and rewired and checked all of my conections but my subs will not play at all. the amp has power but is not pushing my subs. my subs are rated 800 watts a piece. Y will they not play?

Posted on Mar 06, 2010

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Certain spots in the car is grounded different i know the new spot u moved it to is probably noticeable but it always easy to find a ground u just need to have lenght in the wire

Posted on Apr 17, 2009

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1 Answer

I have two sony xplod 12" speakers wich can hold


You only gave us the model of the amp so I will make an assumption that your 12" subs are the Sony XS-GTX120LW. First, they cannot hold 1200 watts a piece. They are meant to be powered with 350 watts RMS. They will hold 1200 watts peak. That means that 1200 watts for a few seconds will be ok. Past that and kiss them goodbye!

Next you indicated that bridged the amp. Since the subs are both 4 ohm single voice coils did you wire them in series or parallel?

It sounds to me like you wired them in parallel resulting in the amp seeing a 2 ohm load. The amp you referenced is only stable when bridged at 4 ohms.

Has the amp begun working again once it cooled down? If not you could have fried the outputs by having the resistance too low.

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1 Answer

How do u know if A sony xplode XM-552ZR amp is on and how do u connect it to a sony xplode cdx-gt570 head unit.


Just to the left of the output (speaker) terminals, near the top of the amp, there's an LED marked "POWER/PROTECTOR". If the amp is connected properly and powered on, the LED is ON.

If the amp is being used for normal speakers, use a pair of RCA cables and connect the left/right channels to the appropriate inputs on the amp. The switch marked "LPF" should be "OFF".

If the amp is being used with the channels bridged for a subwoofer, use an RCA "Y" adapter and connect the single "Sub Out" preamp output from the head unit to both amp inputs. The switch marked "LPF" should be "ON" and the crossover set to about 80-100Hz.

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Are you using the correct fuse? if so,
more then likely, you don't have a good ground. Try grounding to something else that has more direct connection to your frame. If that doesnt work, try getting larger power cables.
I had the same problem with my 2500w xplodes all I had to do was get a thicker cable for the ground and battery connection. What was happening, was it was needing more power then the wire and fuse could handle, so it would blow the fuse, since the higher you have it, the more power it needs to feed the watts.
I would try grounding it directly to the frame on a good part of the frame before spending another $70 on new power cables though.

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Check the switch wire connection. It's the one that turns the amp on when you turn the head unit on.

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Make sure you don't have a short circuit somewhere. Make sure the wiring is all intact.

Also look at this link:

http://www.fixya.com/support/t132850-sony_xplod_1000_watt_car_amp_quit

Mike

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Sounds like the power supply is shutting down because of it sensing a bad output channel. I'm assuming of course that you have checked all your battery, ground, and trigger wires to see if they are OK. Good luck.

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Sony Xplod 1000 watt car amp quit working.


Almost all after market amps use 12v at very very low amperage to trigger the amp on. A temporary jumper from the battery plus terminal on the amp AFTER the battery and ground wires are attached should cause the amp to turn on. I would check to see if you have attached your speaker load correctly ESPECIALLY if you are bridging. Most of the blown amps that come into my shop are due to incorrect bridging loads from the speakers. Note that a 4ohm load bridged across both outputs of an amp will deliver a 2ohm load to each of the channels. When you parallel wire two 4ohm speakers together and then attached them to a bridged amp you will be putting a 1 (one) ohm load to each channel of the amp. Please don't make this mistake. It will fry your amp in about a month. Hope this helps. Good luck.

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