I bought this system a while back from BZ Boys.com. MSI K7 Master, AMD 800 Mhz Cpu. I thought I got a sweet deal. Until about 1 month later when the damned thing exploded. Two Fire cracker pops, black smoke, and a scramble for the power button. Two smoldering capacitors were my smoking gun. A call to BZ boys landed me a recommendation to go to the manufacturer. MSI however, referred me back to BZ boys for redeeming all manufacturer warranties. BZ boys refused to deal with me. One report to the better business bureau later and three days later landed me a new epox kx7a+. Shiny. 2.5 years later... this very day in fact... I find an article by John Dvorak on bad caps. A google search lead me to this website. The pictures raised my curiousity about wether my new mobo was safe from this plague. Pop goes the case cover and I find... Disfigured CAPS. AHHHHH!!!! What do I do? I'm not even considering replacing the caps. I might as well plunk down 200 and get a new proc/mobo/ram. Any suggestions on mobos that are BAD CAP FREE?
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hard to dodge them.
board manufacturers often use different brands in different production runs.
i have bought new boards at shows like dayton hamvention and dma's computerfest and got to look at the boards to see if they were using crap caps.vendors look at me funny till i show them why they have so many returns of certain brands stacked up in their booth.
i figure if i am going to recap it it is because i got it for <$5
one vendor gave me 40+ mobo's he had no warrenty recourse on once he knew i recapped them.
btw if the system is running ok it is a near 100% cure to change the caps now before they go completely.if it is unstable you now know why
if you cannot do it topcat and i can if you pull the board and mail it to one of us. -
Like mentioned above, there's no way to predict a brand that will or will not have the cap problem. I received 2 Biostar socket 478 motherboards last Friday, less than 4 months old, and caps were toast! Have seen Supermicro \"high-end\" server boards with bad caps, lots of Abit's, Asus, ECS, MSI, and so on.................
Replacing the caps with known quality brands will cure the board beyond it's useful lifespan, so before you plunk down for a new board, you might think of recapping it. As kc8adu mentioned, if you can't do it yourself, one of us can do it for you.<--- Badcaps.net Founder
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I know I've been a little scarce lately (like the last 2-3 years), but I'm still here and still doing my thing with fixing PSUs.
For today's considerations, I have a Seasonic B12 BC-550 [A551bcafh] 550 Watt ATX power supply for you (click on links for full size images).
https://www.badcaps.net/filedata/fetch?id=3591771
https://www.badcaps.net/filedata/fetch?id=3591772
It's a modern ATX unit with fixed (non-modular) cables and an 80-plus bronze certificate. Here's the label:
https://www.badcaps.net/filedata/fetch?id=359177... -
Hello,
First, I am a complete noob with high voltage stuff. I'm learning, but I need help by someone looking over my shoulder.
I recently came into posession of a Heathkit IO-4205 5MHz Dual Trace Oscilloscope. The documentation is copyright 1978. I'm told it works.
I opened it up to check the caps before I applied power, and found the following black caps and wanted to know what they were. They are on the power supply board. I was able to read the name and model and came up with, "Nytronics 162J-1, 0.1uF, 20% tolerance, 2000VDC."
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Hello!
I have two projects on my work bench. One is a friends dead JBL Xtreme speaker with a blown voltage regulator and corresponding bulged and shorted cap. That cap has clear markings so I know what replacement I need for it.
The other project however is a whole different deal. It's a Zoom 9000 guitar effect from the 90th that has developed a devil hound howl when there is no input from the guitar. I'm guessing caps problem. So, since I don't really use this effect anymore I thought it would be a perfect project to learn on.
I have studied the board and... -
I'm trying to repair two old VCRs, they both have bad caps. One has leaky ones, the other would barely run until I subbed in some caps from another power supply I had laying around (though they are the wrong values). This vcr works for an hour or two, but then the power supply starts whining and the picture gets lines in it. I didn't replace all the secondary caps, so another voltage might still be problematic, or the values I used are too far off.
I've been on mouser and digikey but the options are a bit overwhelming. I just need some new ones that will work. They don't need to be top quality,... -
I did it again – I had to fulfill my inner desire to fix yet another old piece of hardware. This one is actually kind of worthwhile, too – it’s an EVGA e-GeForce 7600 GS AGP video card, model P/N: 256-A8-N542-T2. With the popularity of “retro” PCs from the Win9x to XP era going up, and the diminishing supply of decent AGP cards, it is expected their prices will go up. Or is it? I bought the this video card rather on the cheap side (~$9 USD shipped to my door), because the eBay seller listed it for parts or repair (and correctly noted the bad capacitors.)
So, here is the...
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