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4th December 2004, 01:03 PM
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#1 |
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diyAudio Member
Join Date: Jun 2004
Location: Kemzeke
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BrianGT amp burst into flames
Hi all
I have a problem with my brianGT kit: the chip produced flames and started smoking as soon as I connected the power. It's a dual mono configuration with 37 volts DC after rectification . So if anyone knows what I've done wrong: please let me know! |
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4th December 2004, 01:18 PM
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#2 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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I've heard about case like that before: the rectifiers were mounted the opposite way.
__________________
www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC |
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4th December 2004, 01:31 PM
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#4 |
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diyAudio Member
Join Date: Aug 2003
Location: Denmark
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Don't people use fuses anymore?
 I had a problem with diodes (the voltage rating), but nothing much happened because of the fuse... Best regards, Mikkel C. Simonsen |
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4th December 2004, 03:40 PM
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#5 |
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diyAudio Member
Join Date: Jun 2004
Location: Kemzeke
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Ok thanks for the quick replies, but I've allready found my problem (I hope)
Both PSU work fine and have a fuse  but the power entry at the amp box was poorly connected: v+ and GND measured 0 with an ohm meter so they probably connect somewhere.One more question (for now): did I ruin the chip or does the internal protection work really well against stupidities like mine? |
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4th December 2004, 03:46 PM
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#6 |
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diyAudio Member
Join Date: Aug 2003
Location: Denmark
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One of my chips has survived a shorted diode, so they are quite "robust". But some things will kill the chips - I don't know if your case is one of them.
Best regards, Mikkel C. Simonsen |
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4th December 2004, 03:51 PM
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#7 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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The chip will not be damaged if one rail is missing. It also won't damage the speaker.
__________________
www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC |
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4th December 2004, 04:26 PM
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#8 |
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diyAudio Member
Join Date: Nov 2001
Location: Ottawa, Ontario
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If smoke and flames came out of the chip, then I would think it's probably toast.
Remember don't let the magic smoke out |
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4th December 2004, 05:17 PM
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#9 |
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diyAudio Member
Join Date: Jul 2004
Location: Behind you.
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"If i could only get that magic smoke back in, i would be rich!"
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4th December 2004, 06:09 PM
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#10 | |
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Electrons are yellow and more is better!
diyAudio Member
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Re: BrianGT amp burst into flames
Quote:
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/Per-Anders (my first name) or P-A as my friends call me |
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