Question about Sony XM-SD22X Car Audio Amplifier

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Amp light is on, sub still works, connections are good, no sound.

I was driving in the heat today for a good 4 hours or so and towards the end of the drive my sub decided to stop working. When I got home I checked all of the connections including the ground, checked the fuses, and tested my sub. Everything appeared to be in good shape, but there was still a slight burning smell in my trunk. The amp powers up fine but the sub doesn't receive a signal. I tried connecting the sub to the other channel and still no signal. I'm wondering if the output on the amp could be fried since it seems Sony's like to do that. If anybody has any other ideas to throw my way it'd be awesome. Thanks.

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Posted on Jan 02, 2017

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SOURCE: VERY LOW SUB OUTPUT

does the volume change with the variable resistor knob when you turn up or down? If you open you may see burnt resistors in that area.

Posted on Sep 14, 2007

  • 631 Answers

SOURCE: Sony XM-2200GTX...Power, Green Light, All OK, No Sound!

Sony generally drives their power light from a source that does not rely on the amplifier's switching power supply. This means that it's not a good indicator as to the health of the amplifier.

 

As long as you have B+ and remote voltage, it will light up. Since you've tested the speaker and the signal source, I think the amplifier is likely defective.

Posted on Oct 17, 2007

  • 65 Answers

SOURCE: No power to amp.....all wire connected properly

is protection light coming on when sub is connected? some radios have weak remote that blow out easy..check power on it if power is making it to amp..if its an ANL fuse they can look good but be bad.

Posted on Jun 08, 2010

  • 11 Answers

SOURCE: I have a Sony Xplod 800w Amp running a 10'

it sounds like it could be a blown channel in the amp. if the sub was blown it would still work just sound horrible. i have blown many subs and amps. you can bring it to an audio shop near you and they can fix it. i just got one of my channels fixed for 35$

Posted on May 13, 2011

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