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Search: Posts Made By: RukyCon
Forum: Troubleshooting Power Supplies and Power Supply Design 09-16-2022, 08:04 PM
Replies: 10
Views: 359
Posted By RukyCon
Re: EVGA 500 watt with fan twitch

If i remember right, most EVGA PSUs are made by HEC (or at least the lower end ones are), and i'm pretty sure this particular model of PSU is part of EVGA's lowest end power supply series. I think i...
Forum: Troubleshooting Power Supplies and Power Supply Design 08-15-2022, 12:32 PM
Replies: 28
Views: 3,511
Posted By RukyCon
Re: QW-MS3010D 30V 10A Variable PSU Blown MOSFET

The thing is, the PSU isn't going into constant current mode when this happens, and i've triple checked it just to make sure.
Forum: Troubleshooting Power Supplies and Power Supply Design 08-14-2022, 01:42 PM
Replies: 28
Views: 3,511
Posted By RukyCon
Re: QW-MS3010D 30V 10A Variable PSU Blown MOSFET

Well, the power supply is back on the healing bench, as the voltage regulation has gone out the window, especially at lower voltages, the main transformer also makes this awful and inconsistent...
Forum: Troubleshooting Power Supplies and Power Supply Design 08-02-2022, 12:43 PM
Replies: 4
Views: 563
Posted By RukyCon
Re: ZUMAX Technology (Leadman Power) ZU400W (X1), Modifications & Life Test

I haven't had a chance to start the tests, mostly because the rig i was going to toss this PSU in to would not boot to OS (it would boot to BIOS), so i put this on the back burner. But i might be...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-09-2022, 11:27 PM
Replies: 1,725
Views: 491,602
Posted By RukyCon
Moretek MPS-200/150 Power Supply

So here is a power supply that i found in the trash, the PSU appears to be rather old judging by the external switch and minimal output leads.

Label:
265881
Looking at the label, we don't really...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-05-2022, 05:02 AM
Replies: 4
Views: 473
Posted By RukyCon
Re: Can Ammeter damage Power Supply?

I've used those displays before, and they do not have to run on a isolated supply, in fact, the ground wire for the display power is commoned to the current shunt ground, so if you do try to use an...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-20-2022, 10:15 PM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Ultra ULT-500P

Well, since my last project isn't working out how i hoped it would, I thought i would take a look at another of my PSUs that needs some repairs. In this case, an Ultra V-Series 500w PSU i found for...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-16-2022, 03:11 AM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Power supply build quality pictorial. part 2

Forgot to add one last thing, I forgot where i had put one of the two fans that were in this PSU, so i substituted it with one of these Sanyo Denki fans i had gotten from a surplus store a long time...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-16-2022, 12:18 AM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Thermaltake Purepower HPC-420-102 DF, Recap and new cables

So i finally got some replacement caps for this thing, so here is the recapping, plus the new cables for this thing.

5VSB - Teapo SH 1000uf 16, Teapo SEK 470uf 16v ⇒ Rubycon YXJ 1000uf 16v, NCC...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-15-2022, 11:20 PM
Replies: 4
Views: 563
Posted By RukyCon
ZUMAX Technology (Leadman Power) ZU400W (X1), Modifications & Life Test

Hello Again, so i'm bringing back this Zumax PSU (https://www.badcaps.net/forum/showpost.php?p=1117243&postcount=1716) from the gutless thread and going to be doing some modifications, and also...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-15-2022, 02:48 AM
Replies: 1,725
Views: 491,602
Posted By RukyCon
Re: ZUMAX Technology ZU400W (X1)

I may actually try putting slightly beefier parts on the secondary and put this PSU into some junker PC that I plan on throwing together out of spare parts (just so I have something at my workbench...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-13-2022, 11:12 PM
Replies: 1,725
Views: 491,602
Posted By RukyCon
ZUMAX Technology ZU4000W (X1)

So here is a PSU i just found at Goodwill today, A few things about it caught my attention, which is why i'm posting it so soon after getting it (and why i may have picked it up in the first place)....
Forum: General Computer & Tech Discussion 03-12-2022, 10:31 PM
Replies: 608
Views: 336,870
Posted By RukyCon
Re: The ghetto mod thread

This is more of a repair than a mod, but i assume it can still go here.

Story: So a few years ago, I got a 150w/10A electronic load off eBay, and when it arrived, it turned out the LCD was damaged...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-12-2022, 06:17 PM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Thermaltake Purepower HPC-420-102 DF

Yeah, i guess thats what i get for saying 'i'll probably be told if it does have any meaning'. Though i find it a bit funny to have that one question answered 4 times by 4 people.


I was...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-11-2022, 01:32 PM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Thermaltake Purepower HPC-420-102 DF

I did think it had something to do with being a more modern PSU, but when i saw the 5v rail was more powerful than the 12v rail, i started to think it meant something else, but i guess my initial...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-11-2022, 12:00 AM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Thermaltake Purepower HPC-420-102 DF

Nope, it's only one IRFBC20, the other one is a P6NB80.
-------------------------------------------------------------------------
Anyway, here is another PSU that i have, this one (unlike the last...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-01-2022, 11:36 PM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Power supply build quality pictorial. part 2

Yeah, that was a typo i failed to noticed before posting (meant to put in ERL28), either that, or my brain was running close to empty, which given the fact i posted that post at around 3AM, might...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-01-2022, 09:59 PM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Power supply build quality pictorial. part 2

Okay, thanks for letting me know, because I didn't have a case or model number for this PSU, i could only guess what its power rating was (and i do think i was in the ballpark when it came to the...
Forum: Troubleshooting Power Supplies and Power Supply Design 03-01-2022, 04:23 AM
Replies: 3,195
Views: 1,102,619
Posted By RukyCon
Re: Power supply build quality pictorial. part 2

So i was cleaning some stuff up, and dug up this busted PC power supply i found in the trash some years ago, and thought i would get some photos of it before i part it out, so here it is, i don't...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-24-2022, 10:33 PM
Replies: 51
Views: 3,824
Posted By RukyCon
Re: Trying to repair a cheap 12v power supply

I know it's been nearly 4 years since I asked this question, but I dug up the power supply today and managed to make progress on it, to the point where it's able to output a stable 12v under a light...
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-10-2022, 06:43 PM
Replies: 7
Views: 584
Posted By RukyCon
Re: Rebuilding an Li-Ion Tool Battery with Li-Po Pouch Cells (Ryobi P189)

Okay, but does soldering onto 18650 cells damage them, as I remember hearing that some time ago, which was one of my main reasons for looking at these pouch cells, since I wouldn't need to buy a...
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-10-2022, 03:22 PM
Replies: 7
Views: 584
Posted By RukyCon
Re: Rebuilding an Li-Ion Tool Battery with Li-Po Pouch Cells (Ryobi P189)

I know the protection boards on the cells would have to go, maybe I could just get one or two cells and test how much current I can draw from them and whether it would be enough for some power tools....
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-09-2022, 08:58 PM
Replies: 7
Views: 584
Posted By RukyCon
Rebuilding an Li-Ion Tool Battery with Li-Po Pouch Cells (Ryobi P189)

So awhile ago, i picked up a used Ryobi drill from a thrift store, so I could give it to my father (so that he could have something that was slightly better than his Drill Master drill with a broken...
Forum: General Capacitor Questions & Issues 06-02-2021, 03:57 AM
Replies: 1,028
Views: 543,580
Posted By RukyCon
Re: The Hall of Shame - Badcaps Photo Montage

Illinois Capacitor 47uf 25v.
https://www.badcaps.net/forum/attachment.php?attachmentid=238053&stc=1&d=1622627220
The one above tested at 213pf, but I also pulled two more that had failed, the...
Forum: General Capacitor Questions & Issues 06-01-2021, 07:40 AM
Replies: 1,028
Views: 543,580
Posted By RukyCon
Re: The Hall of Shame - Badcaps Photo Montage

Yeah, it's a pain when this happens, i think it might be a bug. Now that first cap must have shorted out and burned a hole through the can, I wonder what it looked like to see it fail, probably...
Showing results 1 to 25 of 499

 
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