PSU with bad caps straight out of the box!!!

[Pentium4]

I got this unit cheap, so it wasn't worth returning to the store but what the hell? It smells brand new from the factory. I brought this home and took it out of the box and opened it up (warranty sticker wasn't broken) and 4 caps are bulged!!! All of them are GoldLink caps... This looks like a Macron Power unit...overall it looks pretty well built. But look on the input......Why is one of the Y cap leads going to a hole that was meant for a resistor? two 30A parts for 5V, 16A for 3.3V and 30A for 12V and it has a Power Logic DC Brushless fan

[eccerr0r]

Re: PSU with bad caps straight out of the box!!!

I'd assume some of the parts are hand assembled, I wonder if someone missed a hole. I wonder where that resistor lead connects to...
In any case, yeah the caps probably succumbed during burnin...

[Pentium4]

Re: PSU with bad caps straight out of the box!!!

I will check it out when I take the PCB out of the case, I just found it strange....cause it's not just one, it's 4!

[Kiriakos GR]

Re: PSU with bad caps straight out of the box!!!

This PSU is very limited in Wattage, and even if you repair it, it would be capable to push a seven years old PC.
Does it worth the trouble and parts ?

[Pentium4]

Re: PSU with bad caps straight out of the box!!!

I think it's a pretty well built for a budget power supply. I think it's capable of 300W

[Heihachi_73]

Re: PSU with bad caps straight out of the box!!!

0522. That thing is eight years old.

[c_hegge]

Re: PSU with bad caps straight out of the box!!!

I've seen this before with Fuhjyyu caps (where they fail straight out of the box)

[Pentium4]

Re: PSU with bad caps straight out of the box!!!

0522. That thing is eight years old.

Good catch...

I've seen this before with Fuhjyyu caps (where they fail straight out of the box)

Wow, what brand was the PSU?

[Heihachi_73]

Re: PSU with bad caps straight out of the box!!!

It wouldn't matter, they were Fuhjyyu to begin with.

[c_hegge]

Re: PSU with bad caps straight out of the box!!!

I've seen it twice. One was a Bliss brand, the other was an Antec

[goodpsusearch]

Re: PSU with bad caps straight out of the box!!!

16Α @ 12v

30a @ 3.3v

[Pentium4]

Re: PSU with bad caps straight out of the box!!!

16Α @ 12v

30a @ 3.3v

Correct. My bad

Worth a recap though? The fan looks decent and the soldering isn't that bad

[goodpsusearch]

Re: PSU with bad caps straight out of the box!!!

Correct. My bad

Worth a recap though? The fan looks decent and the soldering isn't that bad

Yes:

https://www.badcaps.net/forum/showpo...5&postcount=48

https://www.badcaps.net/forum/showthread.php?t=12348

https://www.badcaps.net/forum/showthread.php?t=22916

[momaka]

Re: PSU with bad caps straight out of the box!!!

This PSU is very limited in Wattage, and even if you repair it, it would be capable to push a seven years old PC.

I disagree here.

This is the famous MPT-301 platform. I have the same PSU labeled as Inno Power, rated for 300 Watts. Has slightly less parts, but I am sure it is capable of 300 Watts. It can actually run a Core i7 CPU provided you use integrated graphics (tried it and it works fine). At one point, I had it running a 107W TDP CPU (AMD Athlon 64 FX-57) along with a Radeon 9700 video card (about 50W TDP, uses 5V heavily). 12V rail never went under 11.99V with full load. I've used that power supply to test various other systems as well. Runs great with both 5V-based and 12V-based computers. Extremely stable. Spot for 12V rail filter cap is 12.5 mm and the rest of the caps are 10 mm - so plenty of options when doing a recap.
Only negative things I can think to say about it are that it's a half-bridge (so not very efficient) and that the 5VSB is 2-transistor. No critical caps used in this 5VSB design, though (which is good).

Power Logic DC Brushless fan

Those are excellent fans. Never seen one seized. I usually find them very well oiled right from the factory.

I've seen this before with Fuhjyyu caps

Mine had Fuhjyyu caps. Failed due to the fan (a Supperred) becoming seized.

Worth a recap though?

Yes x2