Question about Sony XM-1502SX Car Audio Amplifier

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The overcurrent light is on any ideas? help - Sony XM-1502SX Car Audio Amplifier

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  • Anonymous Oct 16, 2008

    My amp is used from a friend but he said was last known working. The red overcurrent light appears as soon as the amp receives power. This is the case when any combination of subs are attached or just 12v, ground and rem. The manual states two entirely different possible problems. Either to powerful signal or short in the speakers which cant be the case when they are not connected. The 12v line was tested at 12.38v. I do not have any capacitor but a 30amp in line fuse.



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Power Amp IC gone....replace it.

Posted on Jul 30, 2008


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It appears to be an error 22. According to the LG bible, it means an overcurrent protection has activated. In most cases, unplug the machine or switch off from power supply for at least 15 minutes, it should reset the main control board. If this doesn't work , it may have damaged the board. Alternatively, if your machine is on 3 phase, check that all fuses / circuit breakers in your meter box are OK and switched on. You may have a weak or disconnected power supply.

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Overcurrent lights comes on whenever my amp is on

this can only mean 2 things, either your over working the amp, which means your amp is trying to push power that it don't have, and it's getting hot which is known as thermal mode. and the other reason can be that make sure amp rms. matches the rms. of your subs.

Mar 13, 2010 | Sony XM-2150GSX Car Audio Amplifier

1 Answer

Its on over current

when the overcurrent light lights up, this means the amp is being run too hard or too loud. try cutting the gain back a little. i always hated putting in the sony amps that had those lights on it. it seems that when you turn it up and get it sounding good the light comes on.... if the overcurrent light is on all the time and it doesnt make sund....the amp could be bad. good luck.

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I have a 2002 galant. for some reason every time i install a new amp in my car it stops working after a few days. any ideas?

Hello d4n_r1ch1,

You don't say what exactly happens to the amps.

Is it the same make and model of amp each time? Do they fail gradually? Do they overheat? Do they go into protection mode? Do any of the fuses ever blow before the failures? Are there any "burning" smells or melted plastic parts?

In any event, I'd suspect some kind of wiring problem is killing the amps. Inadequate grounding, operating below or above rated voltage, and overcurrent are the most likely causes for failure. You can check the ground and the voltage with a multimeter. Overcurrent is usually caused by operating the amp into too low impedance. Again, that is something you can check.

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My amp turns on, power light is on, but overcurrent light also

make sure ground is good then turn gain all the way down turn on deck turn it all the way up then turn it off then back on agian its like a jump start the amp then should work and you can reset all youre levels

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Everytime the overcurrent light is on,the audio amplifiers IC's are in bad conditions

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Disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down (overcurrent), the amp likely has blown output transistors.

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