Is it possible to repair a power supply?

Jake_Green · Jan 18, 2014

Can you repair a broken power supply. Mechanically? What typically happens when a power supply burns out? Is there anything i could be looking for? Even if it's a lost cause I like to fix things and I prefer to try to do everything I can. If anyone can even point me in the right direction I have a $200 non functioning power supply that I would be ecstatic to get running again.

Thanks,
Jake

DarkSable · Jan 18, 2014

Don't mess with it unless you have experience working with high current lines. I would take it to a qualified electrician / computer guy... if it's not under warranty allowing you to ship it back to the manufacturer, which should be the first thing to check.

What probably happened is that a capacitor popped, which should be fairly obvious - google images for a popped capacitor and you'll know what to look for.

Replacing a single capacitor on a circuit board wouldn't be bad by itself, but the trouble is that you have a lot of parts in there that will store a charge LONG after the plug has been pulled, which is why you shouldn't try messing with that thing without serious training.

Jake_Green · Jan 18, 2014

The power supply has been dead for a least a year.

brarboy · Jan 18, 2014

I wouldnt mess with psu, it can also cost you all more than just brand new psu if it damages the components of your pc.

leeb2013 · Jan 18, 2014

if you have to ask such a question, then you should not attempt it under any circumstances. You will either electrocute yourself or burn down your house (or both).

A qualified person would be able to fix it, hence yes it is possible, anything is within the bounds of current human knowledge.

Jake_Green · Jan 18, 2014

Thanks u_gonna_squeal. I've worked with much more powerful electric currents than this and know what should and should not be done as well as the risks and the potential damages. Don't worry your selves on my behalf. I'm not playing on sticking a screw driver in there for ten minutes just to plug it in and start an electrical fire haha. I haven't looked into these types of power supplies exactly, but I should be fine. Hence the post.

hunter315 · Jan 18, 2014

PSUs can be repaired, for the most part the major components are through hole that are either waved or hand soldered, there aren't a ton of SMT components on a PSU. The main switching transistors and capacitors can be swapped out.

There are a few reviews on JonnyGuru and HW Secrets where the reviewer has repaired the PSU so they could continue on with the review, it can be done, but similar to repairing a VCR a lot of times it just isn't worth it.

And if you actually have a PSU that is still worth $200 then it would still be under warranty so you should RMA it and get it replaced.

Jake_Green · Jan 18, 2014

I know it isn't still worth $200, but I do really like it it's similar to the rosewill lightning series. High wattage, High performance, 4 different colored LED's on it. It looks tight as hell inside my case and now i'm to broke to spends more than $50-60 on a PSU. :/ It is the ABS Tagan BZ900.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817814013

Before it was put out of stock the price tag was $269.99. Think i got it on sale for a bit cheaper of course. It would be nice to have it again though. If I don't end up feeling confident in being able to make a repair could i maybe bring it to someone else to repair it?

Thank you

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