Atx computer powersupply Wireing schematic - diyAudio
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Old 14th August 2002, 12:36 AM   #1
jleaman is offline jleaman  Belgium
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Default Atx computer powersupply Wireing schematic

Im looking for a schematic to tell me the pinouts to turn on a atx powersupply and also to load it i remember reading on this form that you have to put a load on the 5v side to make the power supply put out its full curent.. ( some one was using one for a car amp and that is where i read it..

Can any one help me please..

Jason
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Old 14th August 2002, 07:14 AM   #2
mirlo is offline mirlo  United States
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Default Try this ...

http://www.pcpowerandcooling.com/support/index_docs.htm

This one mentions something about a load on the 5V buss:

http://www.pcpowerandcooling.com/sup...er275_atx.html

I'm not sure, though, if you can take the spec for the load for a particular model, and assume it applies to a different model.

-- mirlo
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Old 14th August 2002, 02:10 PM   #3
jleaman is offline jleaman  Belgium
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yup got the load thing, now i need to know what pins to short out to turn it on..

J'
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Old 15th August 2002, 06:47 AM   #4
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Look at http://www.directron.com/tester1.html
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Old 15th August 2002, 02:20 PM   #5
jleaman is offline jleaman  Belgium
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aaaahhh hem i need the schematic to tell me the pinouts what ones to short out to make it turn on not the device that tells me nothing.. i need to turn this thing on..
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Old 15th August 2002, 04:03 PM   #6
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Not exactly sure as I don't have one in front of me.

But I think the green wire.. should be like 4th from the left on one of the sides.. short it with ground. With my supply it'll only work by shorting to a specific ground that is located very close to the green wire. don't remember which. just try all of them.
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Old 15th August 2002, 05:07 PM   #7
ergo is offline ergo  Estonia
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http://www.hardwarebook.net/connector/power/atxpower.html

Ergo
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Old 15th August 2002, 08:18 PM   #8
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Default I hope this would help

You have two html files inside. Should provide enough info.
Attached Files
File Type: zip atxpsu.zip (74.4 KB, 42 views)
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Old 15th August 2002, 09:59 PM   #9
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The link that I posted turns on the power supply.

All power supplies comes with a manual that shows the pin output of all the power connector. The power supplies that came with the case does not have a manual for the power supply.

JasonL, why are you going to power with computer power supplies. Its best to buy a linear power supply for audio use. Also 18 gauge or gage is not big enough for high current devices. There is too much a voltage drop for amplifiers.
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