Question about Soundstream Davinici Car Audio Amplifier

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Soundstream ribcom500 i got this amp off of one of my friends was her sons amp an her so died in a car accident an it sat in his car for 5 years an she gave it to me to get repaired .....i took it to a local repair shop an they couldnt find out what was wrong with it ....i know about amps an have repaired them but i dont know where to start on this amp ...all the parts read fine but the amp doesnt work at all !!!! i dont know where to start..mybe the pulse width modulator ?????? i dont know .....anyone know what i sould do???

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You can get the schematic from SoundStream. If you get the schematic and need help, email it to me at:

If the amplifier does nothing, post the DC voltage on each of the pins of the SG3525 (or whatever IC they're using in the supply). Use this as a template:

Pin 1:
Pin 2:
Pin 3:
Pin 4:
Pin 5:
Pin 6:
Pin 7:
Pin 8:
Pin 9:
Pin 10:
Pin 11:
Pin 12:
Pin 13:
Pin 14:
Pin 15:
Pin 16:

Posted on Nov 09, 2007


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Posted on Jan 02, 2017


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