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Search: Posts Made By: kevin!
Forum: Troubleshooting Power Supplies and Power Supply Design 02-07-2019, 07:11 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Thanks for the correction, I will try to improve the PSU.
I will add the missing zener diode, the missing polyester capacitors in the AC input, and replace the capacitors.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-06-2019, 04:47 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

They did not know that the boards were sold separately, thanks :).
What I see very often, are those cases of Chinese PSU of poor quality ebay, when I see one I always think there will be inside...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-06-2019, 03:58 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

This PSU comes from a satellite decoder, from one day to the next, the decoder stopped turning on, and the PSU was chirping, I opened it and found this:

Primary:
IC switch: DK120 (max output 12v,...
Forum: General Electronics Technical Discussion 01-30-2019, 11:52 PM
Replies: 5
Views: 163
Posted By kevin!
Re: Real or Fake video?

According to the law of thermodynamics: Energy can neither be created nor destroyed, it is transformed.

Bye :).
Forum: General Capacitor Questions & Issues 12-16-2018, 07:50 PM
Replies: 11
Views: 485
Posted By kevin!
Re: Hitachi Mains Cap?

They are very good capacitors, do not worry about their reliability.
Sony also uses hitachi for its PS3.
Forum: Troubleshooting Power Supplies and Power Supply Design 09-20-2018, 04:38 AM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

True, although it only has a core 2 quad q8300, and an HD4350 ati radeon, the PSU does not overheat, the air that comes out is cold, it is only used to watch videos, movies, not reaching 100% I do...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-19-2018, 06:06 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Initially it has a gtx 760, with a gigabyte motherboard h77 d3h, 2 SSD, 1 HDD. the processor does not know what it is not specific, but comments that it was freezing by being a few minutes playing,...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-19-2018, 04:37 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Probably, I've never seen anything like that, when I saw it I was stunned.
Thank you :smile:
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2018, 03:17 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Hello, I share these photos of this PSU Be Quiet Pure Power L8-CM-530W 80Plus Bronze, which I took from a Spanish forum, the photos belongs to bmdm (he granted me permission to publish his photos),...
Forum: General Computer Discussion 08-12-2018, 03:38 PM
Replies: 3,498
Views: 587,726
Posted By kevin!
Re: Your Best Dumpster Finds

Yesterday I rescued this board with a pentium g630 and 2GB of ram DDR3, unfortunately, the computer was crushed (the motherboard was curved), I could only save the motherboard, processor, ram, reader...
Forum: Troubleshooting Power Supplies and Power Supply Design 08-07-2018, 12:26 PM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

I present this HIPRO 230W HP-A2307F3P from an IBM Thincentre.
I do not have many photos, because the font does not have much space and I do not want to take it apart, but it is feeding an HP dc7900...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-16-2018, 04:25 PM
Replies: 7
Views: 566
Posted By kevin!
Re: Led mirror Ball PSU with no power output

How to comment momaka, look for a good quality replacement. That PSU is manufactured thinking of the cheapest and saving costs. That PSU is a danger.
Forum: Troubleshooting Power Supplies and Power Supply Design 06-05-2018, 06:34 AM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

I did not know, I will remove the glue with urgency.
thank you very much momaka for your advice. :).
Forum: Troubleshooting Power Supplies and Power Supply Design 06-03-2018, 05:46 AM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

A friend gave me an old dell optiplex, I took out the PSU of 200w that was originally LITEON, and I put it on my computer for backup, it has a core 2 duo e8400, 3 HDD, and keeps the 12v lane 11.90v,...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-29-2018, 02:54 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Good idea, I will reuse the housing of the deer, which is in very good condition. The others, I do not think that reuses them, is made of a steel of poor quality, the only one that is saved is the...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-27-2018, 01:11 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

I did not know it was a codegen, now I understand why it is so horrible.

I have another PCCASE that has the typical label of codegen (blue color), 600w mark, this PSU is put some load, and...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-26-2018, 03:53 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

The cables are bad, they are super thin. Surely it's because of that.
it does not make sense the sticker xD.
I do not understand how they can sell PSU with false specifications, it can even be...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-26-2018, 07:32 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

Now, it's time to present, a beautiful high-quality PSU from the PCCASE brand xD :lol: .
Although it has at least one inductor on the line of 12v xD compared to L-LINK.
Although this PSU is very...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-25-2018, 05:07 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

I do not think it passes more than 140 watts as Momaka says, I'm afraid to demand power haha, I do not want to explode in the face xD. And just by seeing that there are only 3 capacitors for the 3...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-24-2018, 11:18 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

One more:
L-LINK "500W" I imagine that L-LINK warns the buyer, if you put it at 500w, we are not responsible for the explosions caused by our product. :lol:
Forum: Troubleshooting Power Supplies and Power Supply Design 05-24-2018, 01:24 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

LOL, I did not see that sticker, now that you mention it and reading it is causing me to laugh out loud hahaha.
How ironic.
:lol::lol::lol::lol:
Forum: Troubleshooting Power Supplies and Power Supply Design 05-23-2018, 06:16 PM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

The worst PSU I've had in my hands, a Deer, has burned resistors (with Viva and rulycons capacitors :lol:)
Forum: Troubleshooting Power Supplies and Power Supply Design 01-02-2018, 06:28 AM
Replies: 1,554
Views: 306,945
Posted By kevin!
Re: the gutless, bloated, and fried power supply hall of shame

I repaired an equal equal, belongs to a friend, is equal to yours from the photos but 650w, literally blow the 5vbs capacitor, but after doing 30,000h, change all the capacitors of the HQ brand and...
Forum: Troubleshooting Power Supplies and Power Supply Design 12-31-2017, 04:00 AM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

Ok, thanks, I'm worried about the coil, although it has insulation, but I do not know if that insulating tape is able to avoid an electric arc.
But I really liked the design, I could add more...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-06-2017, 07:02 PM
Replies: 3,000
Views: 726,698
Posted By kevin!
Re: Power supply build quality pictorial. part 2

Recently I found this PSU of 2.5A, of 12v, of the li shin international brand, and I was surprised when it was dismantled, panny capacitors, good EMI insulating, good PCF filtering. and what I like...
Showing results 1 to 25 of 130

 
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