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Old 05-16-2015, 09:26 AM   #1
Bungz
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Default Hiper HPU-4S350 - Old but good?

Hey guys

I have had this power supply for about ten years, it was very cheap at the time (20 if I remember) but going by the fact it weights a fair bit I always considered it to be decent, its never let me down even in some fairly heavy systems.

Having had a poke around it is covered in CapXons, which have served their purpose and will be swapped.

My question is do all replacements have to be identical, I have most of the caps but one 1000uf 16v cap that's bulged I do not have, I have some 1500uf 16v FR's though, would that be a near enough replacement? It is the cap central in the overhead photo.

Also any info if the design is any good or not would be welcome, I don't know too much about these beyond cap repairs.
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Old 05-16-2015, 11:02 AM   #2
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Default Re: Hiper HPU-4S350 - Old but good?

This looks like a 300W power supply. OEM is Seven Team, you can tell by "ST" on the transformers.

The bulging cap in the center of the power supply is for the 5vsb output filtering. I don't think it's a good idea to replace it with Panasonic FR, because Panasonic FR is a bit too low esr for power supplies. You can get away using FR for the 3 main voltages (3.3V, 5v and 12V), but for 5vsb I would recommend Nichicon HE, Chemicon KY, Rubycon YXH or even Rubycon YXF grade capacitors.

A pic of the psu label?
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Old 05-16-2015, 12:02 PM   #3
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Default Re: Hiper HPU-4S350 - Old but good?

Sure see attached.

I have stripped the old caps and here is what I will need replacements for:

2 x CapXon - 4700uf 6.3v 10mm x 35mm
3 x CapXon - 2200uf 16v 10mm x 25mm
1 x CapXon - 2200uf 10v 10mm x 25mm
1 x CapXon - 1000uf 16v 10mm x 20mm
2 x CapXon - 470uf 16v 8mm x 15mm

The rest I will leave as they are very low uf.

These values are not easy to find in these sizes. The 4700uf are not available in 10mm, I have read this would be ok to replace with 3300uf?
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Old 05-16-2015, 12:25 PM   #4
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Default Re: Hiper HPU-4S350 - Old but good?

trace the -5v wire back through the board.
if that is the only cap involved then use the 1500uf FR
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Old 05-16-2015, 12:28 PM   #5
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Default Re: Hiper HPU-4S350 - Old but good?

2 x CapXon - 4700uf 6.3v 10mm x 35mm --> 2x 3300uF 6.3V 10mm (for example Panasonic FK or FR).

I would advise you to replace the 5vsb critical cap if there is one and the small caps that are located in the primary section of psu. You don't need to replace the 1uF caps, those rarely fail.
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Old 05-16-2015, 12:45 PM   #6
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Default Re: Hiper HPU-4S350 - Old but good?

For the -5 would a Panasonic FC be more suitable?

I can get that easy enough.

Rubycon ZLJ's come in a 10mm package for the 3300uf 6.3v, would those also work?

Last edited by Bungz; 05-16-2015 at 12:47 PM..
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Old 05-16-2015, 12:54 PM   #7
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Default Re: Hiper HPU-4S350 - Old but good?

http://www.rubycon.co.jp/en/catalog/...inum/e_zlj.pdf

1025 esr: 0.024

Those will be fine.

-5V??? There is no -5V in this psu. Did you mean -12V or +5vsb?
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Old 05-16-2015, 12:59 PM   #8
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Default Re: Hiper HPU-4S350 - Old but good?

Sorry the +5Vsb

If those both are ok then the only other problem is the 2200's in a 10mm.

I will use a 16v in the place of the 10v, so thats 4 16v 2200uf I need in a 10mm size.

Wish it wasn't so tight, there is no room for the common 12.5 size.

Last edited by Bungz; 05-16-2015 at 01:03 PM..
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Old 05-16-2015, 01:04 PM   #9
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Default Re: Hiper HPU-4S350 - Old but good?

Panasonic FC 1000uF 16V would be good replacement for that rail.
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Old 05-16-2015, 01:07 PM   #10
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Default Re: Hiper HPU-4S350 - Old but good?

OK so I am starting to get a rough idea whats what, I appreciate the help.

Final question, 2200uf 16v caps are again difficult to find in 10mm, would I be ok to use 1800uf 16v FR's as a replacement?

Thanks!

Last edited by Bungz; 05-16-2015 at 01:40 PM..
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Old 05-16-2015, 07:15 PM   #11
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Default Re: Hiper HPU-4S350 - Old but good?

Maybe, but you can get Panny FK in that size. Element14 and RS components (the two main electronics component suppliers in the UK) both have them.

http://uk.rs-online.com/web/p/alumin...itors/0571606/
http://uk.farnell.com/panasonic-elec...rad/dp/1744922

EDIT: another one you will have trouble with is the 4700uF 6.3V in 10mm diameter. For those, 3300uF is fine. Panny FK and Rubycon ZL are both available in that size
http://uk.farnell.com/panasonic-elec...rad/dp/1744878
http://uk.farnell.com/rubycon/6-3zlj...rad/dp/2346439
http://uk.rs-online.com/web/p/alumin...itors/0571054/
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Old 05-17-2015, 10:05 AM   #12
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Default Re: Hiper HPU-4S350 - Old but good?

Rs online looks good, handy for small orders

Will use them then.

Thanks
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Old 05-18-2015, 02:10 AM   #13
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Default Re: Hiper HPU-4S350 - Old but good?

Yah. I do like how they have free shipping for all online orders. Farnell/Element14 do as well, but only for orders over $50.
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Old 05-18-2015, 02:22 AM   #14
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Default Re: Hiper HPU-4S350 - Old but good?

in the u.k. farnell is orders over 20
and cpc is all orders = free delivery.
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Old 05-18-2015, 08:09 AM   #15
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Default Re: Hiper HPU-4S350 - Old but good?

Well the parts have all been ordered, will update when I get it together.

Hope it lasts another ten years
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Old 05-18-2015, 02:01 PM   #16
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Default Re: Hiper HPU-4S350 - Old but good?

If you oil the fan bearing with Singer sewing machine oil or just motor oil it will probably last more!
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Old 05-18-2015, 06:41 PM   #17
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Default Re: Hiper HPU-4S350 - Old but good?

Nice unit. Honest label, I bet it could do 350W no sweat. I'd take the PPFC coil out though. What are the silicon specs?
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Old 05-19-2015, 11:37 PM   #18
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Default Re: Hiper HPU-4S350 - Old but good?

10 year old CrapXons? oh the horror
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Old 05-20-2015, 03:22 AM   #19
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Default Re: Hiper HPU-4S350 - Old but good?

Violet PCB, this is my first time

What is the silicon? Depending on that it may do over 400 W I think. Seventeam is not that tragic as many others.

As for caps, I have no problem with D8 1500/6,3 KZN on stand-by…those are 1/3 lower ESR than KY 1200/6,3. If you'll need some high-capacity D10 16V caps, let me know. You can shop on eBay but it is 60 % more expensive there because of exchange volatility and fees.
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Old 05-20-2015, 05:26 AM   #20
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Default Re: Hiper HPU-4S350 - Old but good?

Quote:
Originally Posted by Behemot View Post
Violet PCB, this is my first time
Yeah.... it's really strange. Never seen that before. And, it's a bright violet at that!

Quote:
Originally Posted by Pentium4 View Post
Nice unit. Honest label, I bet it could do 350W no sweat.
I agree.

Quote:
Originally Posted by Pentium4 View Post
What are the silicon specs?
I want to know too :P

Quote:
Originally Posted by CapSwapper View Post
10 year old CrapXons? oh the horror
Two more years and the capacitors in our plasma TV will be 10 years old xD
(They are mostly capXons.... I might replace them soon)
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