Question about Sony XM-475GSX Car Audio Amplifier

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Sony XM-475GSX my amp was running very warm ,from time to time it would shut down an need to be reset from over load ,now there is no sound ,an the over current lite is on ,can you help

Posted by jaysea on

  • jaysea Aug 21, 2007

    thank you,

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Anonymous

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I found the service manual on Ebay,Here is the item number: 230196848929. Use it and a DVM to find the bad componets and replace them. Parts I use are on mouser.com

Posted on Nov 27, 2007

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Anonymous

The service manual is on ebay cheap Item number: 230196848929. Using the schematic and a DVM you can find what componets are bad and replace them. They are sold at mouser.com.
Hope this helps.


Posted on Nov 27, 2007

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Andy Greshake

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Why would you give a guy a rating for being straight and honest with you. Your amp is fried and your respond as if it is his fault by giving him a non helpful rating. It is as if you are making him responsible for you frying your amp, I support his diagnosis and I have been designing and repairing them for over 20 years. I expect you to lash out and give me a bad rating also.

Posted on Aug 24, 2007

Mike Ryan

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Its fried.... yo ucant keep running them hot forever...especially the cheaper amps.. if you are near chicago i do repair amps but other then that theres not much you can do..

Posted on Aug 18, 2007

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My amp and system works fine with the car on acc but when the car is running , the amp started smoking and it goes into protect mode
Your amp is trying to make up for the lack of available voltage that is being used by your car and to a maintain output it will then start to draw more current to accomodate the drop. The formula that shows the proportions of Voltage (Electricity) and Amperage (Intensity) to Watts (Power). It looks like this P=IxE So if your amp is 1400watts and it's getting 14 volts it will take 100 amps to power it (given the amp is 100% efficient, which no amps are) so when you turn on your AC that puts a load on your motor and alternator too for the fan and the compressor slows down your alternator making the voltage drop down to 10 volts with everything full blast. That means you amp is now pulling 140 amps of current to make up for the voltage drop, Your wire that is going to the amp is probably getting pretty warm at that time also unless you have 4 ga or larger. So when the voltage gets too low the amp will turn off and go into protect mode to keep the current in the rails from getting the amp so hot it will eventually cook the components inside of it. You will be looking for a higher output alternator just like everyone else who has high powered amps.

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Sony X-Plode amplifier. NOT working
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Amp goes into protect when turned up.
that amp is only stable 2 about 4 omhs mono the powersupply shut dowm drawing t much current it supposed 2 2 fix this u need a 4omh load mono change speaker config so u get 4 omh or buy amp stable down 2 1omh can be expensive

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Can i bridge my sony 1200 watt 2 way amp in to 1 woofer
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Aug 15, 2009 | Sony XM-475GSX Car Audio Amplifier

1 Answer

Power acoustiks amp wont get off protection mode? how do i reset it? please help me i tried everything.
Hello nfox1987,

First you need to determine if the amp is defective or if something else is causing it to go into protection, most often a short in the sub or amp wiring.

Disconnect the sub(s) from the speaker output terminals and the RCA inputs from the head unit, and test if the amp powers up OK. If it does, the problem is in the sub(s) wiring or voice coils, or in the RCA inputs to the amp. Reconnect each one-at-a-time to determine exactly where the short is and repair or replace the defective wiring or unit. If it doesn't power up with the inputs and sub(s) disconnected, the amp itself is most likely defective.

Hope this helps.

Jul 15, 2009 | Sony XM-475GSX Car Audio Amplifier

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How do I reset a BOSS amplifier
Try taking the positive wire on amp off, them wait a few secs and put it back on. It should reset.

Jun 21, 2009 | Sony XM-475GSX Car Audio Amplifier

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