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12th May 2004, 09:44 PM
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#1 |
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diyAudio Member
Join Date: Oct 2002
Location: Amsterdam
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Yamaha MX-630 Power Amplifier schematic wanted
Hello everyone,
Normally I am troubleshooting my selfbuild equipment, but an uneducated friend of mine fried one channel of the Yamaha MX-630 Power amplifier by shorting the speakerwires. Now all the Sankens have to be replaced including the drivers. What puzzles me is that some small resistors (not in the powerchain) are also overheated. Maybe they were underrated by designmisstake, I am not shure. I also would like to replace them because I think it is a fire hazard and a great liabillity factor. You help your friend out but created a fire bomb and destroyed his house (including the amplifier) in the end. I have tried to contact Yamaha directly in order to get a schematic or service manual but I have been not succesfull as of yet. Can somebody help me to retrieve at least a schematic of this amplifier ? I would be very greatfull. Thanks for reading. Bij voorbaat dank. Govert-Jan |
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15th May 2004, 05:11 PM
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#3 |
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diyAudio Member
Join Date: Feb 2004
Location: Recife - Brasil Northeast
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Really i try to found hard.
No way to find... no one alike... sorry.
Carlos
__________________
Try to build an amplifier folks ... it is pure adrenaline! |
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15th May 2004, 05:21 PM
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#4 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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must be your lucky day
__________________
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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15th May 2004, 05:28 PM
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#5 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Here's the amp section
__________________
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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15th May 2004, 05:31 PM
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#6 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Here's a better view of one channel only
__________________
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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15th May 2004, 05:35 PM
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#7 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Protection circuit
__________________
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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15th May 2004, 05:38 PM
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#8 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Maybe B&W has more resolution
__________________
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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15th May 2004, 05:48 PM
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#9 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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The board's layout.
__________________
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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15th May 2004, 06:04 PM
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#10 |
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diyAudio Member
Join Date: Feb 2004
Location: Recife - Brasil Northeast
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Congratulations and thanks Daniel
This is what i think is a good friend... a good moderator... when needed to be hard he knows how to do with kind way.... when are visiting their forum as one of us, he is friendly and do not think as many
THIS IS ALL MINE! This way, wonderfull and kind work, helping us. Carlos
__________________
Try to build an amplifier folks ... it is pure adrenaline! |
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