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Testing PSU w/ DVOM?

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bbs lm-r

Limp Gawd
Joined
Sep 2, 2010
Messages
307
I have an older Antec psu that I'm currently not using right now, but I might use it soon. No warranty on it, not a big deal though; if I use it, it won't be powering any super important parts, but like anyone, I'd like it not to crap out on me.

The last time I used it though, I think i might've heard a little squealing from it when it was put under load, blown cap? I'll open it up later to see if I can spot anything visually, but is there a was I could test it using a DVOM (digital volt/ohm meter) to see if it's still good?

This looks to be the psu, here

Incase it matters, this is my dvom
 
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The simple test is making sure it powers on using the paperclip method, and checking the voltages to make sure they're in line. Otherwise, there's no way of knowing if it is going to blow up on you until it does.

The squealing you're hearing is probably coil whine, which is usually not an indication of impending failure.

If you wanted peace of mind, the Corsair CX430 V2 goes on sale for $20 occasionally. If that's enough to power your system, I would pick that up.
 
Oh, I never thought to use a paperclip for that, I had always used a scrap piece of wiring from a fan or something.

But yea, I've turned it on before like that and it does power on.

Now checking voltages, that I haven't done before. If you know some straightforward way to do it, i'd appreciate it if you could share that info. Otherwise I'll see where google gets me.

Thx.

BTW that seems like a real good deal for the 430, i might pickup one just to have around.
 
Just stick the black (negative) wire on the DMM into one of the black lines on the molex connector. Then stick the red (positive) on one of the colored wires on the molex. Red is the 5v line, and yellow is the 12v line. Just make sure the black wire on the DMM goes to the COM, and the red wire goes to the one that's for checking voltage (not sure which one it is on your DMM, image is too blurry).
 
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