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Spark from PSU

post #1 of 9
Thread Starter 
Hi i turned on my PC and noticed my psu light up with a blue spark and blew the circuit breaker! so i unplugged the PSU. I disconnected it from the pc put a wire from green to black to see if it would work out of the case and blue spark again so i opend it and looked to see where the spark was coming from! It was coming from the wires off a transformer looking thing the wires were a white one and a black one. Does any one know what the thing the wires are coming off is?

Thanks
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Thr33 Six
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post #2 of 9
Thread Starter 
also i am looking at another psu which has

+12V-1 = 23a

+12V-2 = 23a

does this mean that it has 46amps total?
Thr33 Six
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Thr33 Six
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post #3 of 9
Quote:
Originally Posted by dom1269 View Post
also i am looking at another psu which has

+12V-1 = 23a

+12V-2 = 23a

does this mean that it has 46amps total?
No.

It means the +12V1 is capable of up to 23A and +12V2 is capable of up to 23A. This does not mean that they are capable of up to those values simultaneously.
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post #4 of 9
You base the total amperage of a PSU on the 12v rail based on what it says the 12V max is. For example, my PSU has 22, 22 and 25A on the 3 rails, but it has a maximum of 540 watts available. So therefore you divide 540 by 12 to find out the maximum amperage on the 12V rail (which for me is 45). Your PSU is definitely bad, i wouldn't try to start your computer again because you run a high risk in killing off parts. I would suggest to go for a nice Corsair, Antec, PC Power and Cooling or the like.
 
OverCoaster
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OverCoaster
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post #5 of 9
White and black wires on a transformer are generally the AC in. You probably have an internal short in the transformer. What kind is it, and do you have pics?
    
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post #6 of 9
Thread Starter 
Its just a cheapo plobbaly Ying-Yang-Chang but i have a brand new computer never turned on and now i need a new PSU!!! I have another PSU with the same transformer same PLug etc. However i have cut off all the cabels as i used it to power my 12v amp could i use this tranformer??? Why i didnt buy a decent PSU i dont know!! i am gunna buy a good make one this time!!

Any reccomendations i am gunna SLi in soon (9800GTX) preferably under £80

Just out of curiosity why the hell does my psu have 45a on 5v and 33a on the 12v or is that just because it is a pile of ****e?? I mean 45A why would you need that in 5v?

Thanks
Edited by dom1269 - 12/16/08 at 12:04pm
Thr33 Six
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Thr33 Six
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post #7 of 9
I would suggest not doing that. I would however, suggest buying something from this Link
Corsair Blackness
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Corsair Blackness
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post #8 of 9
Thread Starter 
http://www.newegg.com/Product/Produc...82E16817139002

Would this handle 2 9800GTX's in SLi?

Thanks for the Help
Thr33 Six
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Thr33 Six
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post #9 of 9
Yes it would, but it might push it a bit. Then again, corsair PSU's are known to be of great quality. My suggestion would be to get the corsair 750 for around that same price.
 
OverCoaster
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Acer Predator X34 Dell P2012Ht Razer Blackwidow X [Tournament Ed.] Corsair SF600 [600w] 
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NCASE M1 [v5] G403 Wireless QcK+ [Vault 111 Ed.] Schiit Bifrost Uber + Schiit Asgard 2 + TH-X00... 
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OverCoaster
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 7700K [4.5GHz] ASUS Z270i STRIX Titan X Pascal + Hybrid Corsair Vengeance LPX 3K [16GB] 
Hard DriveHard DriveCoolingOS
Kingston HyperX Savage [480GB] Mushkin Enhanced Reactor [1TB] Corsair H75 + F120MP Windows 10 Professional [x64] 
MonitorMonitorKeyboardPower
Acer Predator X34 Dell P2012Ht Razer Blackwidow X [Tournament Ed.] Corsair SF600 [600w] 
CaseMouseMouse PadAudio
NCASE M1 [v5] G403 Wireless QcK+ [Vault 111 Ed.] Schiit Bifrost Uber + Schiit Asgard 2 + TH-X00... 
CPUMotherboardGraphicsRAM
i5 4670K ASRock Z97E-ITX/ac ASUS GTX 1070 FE Kingston HyperX Fury DDR3 1866 [White Ed.] 
Hard DriveCoolingOSMonitor
Samsung Evo 840 [250GB] Phanteks PH-TC14PE  Win 10 Pro [x64] Dell S2716DGR [144hz] 
KeyboardPowerCaseMouse
KC60 [Miami Ed.] EVGA 550 G2 Phanteks Enthoo Evolv ITX [White] Logitech G403 
Mouse PadAudio
SS QcK Heavy AudioQuest Dragonfly Black + Sennhesier HD650 
  hide details  
Reply
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