Xbox 360 PSU

swisyninja · 31st January 2010, 08:07 AM

Has anyone powered a car amp off an Xbox 360 PSU before? I cant get the 12v from the PSU and i know its still good..thanks..

wwenze · 31st January 2010, 09:42 AM

High-power devices such as this that have a standby mode would have a power-enable pin somewhere to switch the main PSU off to save power when device is in standby. Like computer PSUs.

Indeed it has:

http://dwl.xbox-scene.com/tutorial/X...HandC-V1_4.pdf

Connect the "Power Enable" pin (pin 7) to ground.

swisyninja · 31st January 2010, 08:06 PM

ok. thanks..do u know if any capacitor is needed for the power to run smoothly?

swisyninja · 31st January 2010, 08:17 PM

and i dnt understand what is wrong bc im am tieing in my PWR_ENB (Blue) to ground but im still not getting any voltagfe other than my stand by(RED 5V)...How exactly do i tie it ground. Series, Parallel or what..

wwenze · 31st January 2010, 11:07 PM

Went to google it further, seems like there is an error in the document - pin 7 is supposed to be fed with -1.5V to 5V instead of being tied to ground to switch on the PSU.

swisyninja · 1st February 2010, 04:12 AM

ok thanks..im surpised i missed that in my google search

swisyninja · 1st February 2010, 05:32 AM

ok so im getting the 12v now by coneccting the blue wire to the red wire when i go to hook the 12v and ground to the amp the PSU light turns red..not sure why..i think its because its drawin to much current. the ampifier is round 30amps i think...im not sure any help?

wwenze · 1st February 2010, 08:55 AM

That is likely to be the case, some SMPS-es don't like seeing too much capacitance or the initial charge-up will trip the overcurrent protection. Try using all 3 wires? Or a soft-start.

swisyninja · 1st February 2010, 05:23 PM

what would you describe as a soft start?

31st January 2010, 08:07 AM	#1
swisyninja diyAudio Member Join Date: Jan 2010	Xbox 360 PSU Has anyone powered a car amp off an Xbox 360 PSU before? I cant get the 12v from the PSU and i know its still good..thanks..

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31st January 2010, 09:42 AM	#2
wwenze diyAudio Member Join Date: Mar 2008	High-power devices such as this that have a standby mode would have a power-enable pin somewhere to switch the main PSU off to save power when device is in standby. Like computer PSUs. Indeed it has: http://dwl.xbox-scene.com/tutorial/X...HandC-V1_4.pdf Connect the "Power Enable" pin (pin 7) to ground.

31st January 2010, 08:06 PM	#3
swisyninja diyAudio Member Join Date: Jan 2010	ok. thanks..do u know if any capacitor is needed for the power to run smoothly?

31st January 2010, 08:17 PM	#4
swisyninja diyAudio Member Join Date: Jan 2010	and i dnt understand what is wrong bc im am tieing in my PWR_ENB (Blue) to ground but im still not getting any voltagfe other than my stand by(RED 5V)...How exactly do i tie it ground. Series, Parallel or what..

31st January 2010, 11:07 PM	#5
wwenze diyAudio Member Join Date: Mar 2008	Went to google it further, seems like there is an error in the document - pin 7 is supposed to be fed with -1.5V to 5V instead of being tied to ground to switch on the PSU.

1st February 2010, 04:12 AM	#6
swisyninja diyAudio Member Join Date: Jan 2010	ok thanks..im surpised i missed that in my google search

1st February 2010, 05:32 AM	#7
swisyninja diyAudio Member Join Date: Jan 2010	ok so im getting the 12v now by coneccting the blue wire to the red wire when i go to hook the 12v and ground to the amp the PSU light turns red..not sure why..i think its because its drawin to much current. the ampifier is round 30amps i think...im not sure any help?

1st February 2010, 08:55 AM	#8
wwenze diyAudio Member Join Date: Mar 2008	That is likely to be the case, some SMPS-es don't like seeing too much capacitance or the initial charge-up will trip the overcurrent protection. Try using all 3 wires? Or a soft-start.

1st February 2010, 05:23 PM	#9
swisyninja diyAudio Member Join Date: Jan 2010	what would you describe as a soft start?