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pflowers replied to replacements for Teapo caps

in General Computer & Tech Discussion

11-28-2010, 11:08 AM
Re: replacements for Teapo caps

Thanks for the input.....I remember all that buzz on the HM....had forgotten about that....but I think I will use it anyhow.....that LXZ 6.3v is 15mm in L and a little pricey, but I have the clearance and its not my .64 cents...

sorry to have caused such a disturbance and thank you once again for solid advice
Paul

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pflowers started a topic replacements for Teapo caps

in General Computer & Tech Discussion

11-27-2010, 05:07 PM
replacements for Teapo caps

hey there, I am replacing some caps on a mobo the old caps are

Teapo SC
1000uf 6.3v
8mm x 11mm

Teapo SZ
1500uf 6.3v
8mm x 20mm

I was wondering if these are good replacements

Nichon HM
1500uf 6.3v

Panasonic M
1000uf 6.3v

the Pan M serries I found at Digikey but it didn't list ESR or Z ratings and the temp is -40 ~ 105 as opposed to the teapo -40 ~ 105, but it was the only one I saw with a high enough ripple

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pflowers replied to Whats a good registry cleaner?

in General Computer & Tech Discussion

03-29-2009, 03:41 PM
Re: Whats a good registry cleaner?

I love "Hijack This" to clean up reg probs....but you have to know what you can and can not get rid of.....but there are places on the web where you can submit a log file and get advice on what needs to go if your not sure.

Paul

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pflowers replied to Replacement for MCZ 1800UF 6.3v

in General Capacitor Questions & Issues

03-29-2009, 03:33 PM
Re: Replacement for MCZ 1800UF 6.3v

I have a nice rework station that was awesome when desoldering the power supplies I just finished (about 120 total) but I think the tip is a little too big to work correctly on a mobo....it just wouldn't pull the solder off right.....and I may be wrong but the through holes on the mobo looked quite a bit smaller than those on the PCB for the Power supplies......but even with that said, the files I got from Pace with the rework station made easy work of clearing those holes right up.

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pflowers replied to Replacement for MCZ 1800UF 6.3v

in General Capacitor Questions & Issues

03-27-2009, 01:56 PM
Re: Replacement for MCZ 1800UF 6.3v

Well once again you guys have come through.....not just a good recap but a polymod recap at that.....system is up and running like a champ.....

on a side note.....I woldn't suggest increasing the through hole size on the PCB it made it almost impossible to solder in the new caps....but as this was a freebie system I took the gamble

Thanks again KC

Paul

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pflowers replied to Replacement for MCZ 1800UF 6.3v

in General Capacitor Questions & Issues

03-21-2009, 04:31 PM
Re: Replacement for MCZ 1800UF 6.3v

sweet thanks a ton Kc....caps ordered and on their way

this place rocks

Paul

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pflowers replied to Replacement for MCZ 1800UF 6.3v

in General Capacitor Questions & Issues

03-21-2009, 12:34 PM
Re: Replacement for MCZ 1800UF 6.3v

well looking at this Pic I would say yes they are on the vcore.....but then again I'm not a board guru (yet), perhaps I could get verification from one of you fine people.

the 7 rubycon caps have been removed....those that are still there were not vent caps and are 820 / 2.5v as best I can tell the series is OS but I'm not sure on that......should I be pulling those as well.....it looks like all 11 were run in series

Paul...

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pflowers started a topic Replacement for MCZ 1800UF 6.3v

in General Capacitor Questions & Issues

03-18-2009, 03:37 PM
Replacement for MCZ 1800UF 6.3v

I need replacement caps for the Rubycon 1800uf 6.3v 8X20mm MCZ....I found some posts here that claim the ncc HN series are good replacements.....but...

1) I can only find 10MM I need 7 of them mounted in series with about a .5 MM space between them....10's wont fit I'm afraid

2) the ripple on the HN is 2280 the MCZ is 2350

3) Digikey has an 800 limit on the HN....I only need 7

any thoughts?

Paul

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pflowers replied to Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-15-2009, 03:26 PM
Re: Neoware Thin Client Trouble

Thanks guys I appreciate that.

Paul

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pflowers replied to Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-13-2009, 12:39 PM
Re: Neoware Thin Client Trouble

well it's 15 power supplies that display the same symptoms.....I'm starting to think it might be one of the 4 Zeners on this board....well at least I think they are zeners the board is marked ZD1 ZD2....and so on....but I can hardly read the markings on them.....under magnification I came up with 18 on one side and a 2 on the other but that doesn't seem to match what I have found on the internet for zener markings....these are very small diodes with a black stripe on one end of what looks like a glass bubble the inside of this diode looks redish in...

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pflowers replied to Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-12-2009, 07:38 PM
Re: Neoware Thin Client Trouble

Gianni said

that is a CARLI MPX CAPACITOR numbers on the side are .33K275V-X2 MPXGMF 40/100/21 250V~

I'm guessing the .33 is the micro farad?

Paul...

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pflowers replied to Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-08-2009, 10:45 AM
Re: Neoware Thin Client Trouble

just above the white main connector the PCB reads F1....I made the assumption that was the fuse and changed it......I had also gone over some of the work that came back from the repair shop and noticed that the line filter had been changed on one of them so I tried that as well (no luck) so I seem to be down to those 2 small caps.

Paul

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pflowers replied to IBM 15" LCD caps

in General Computer & Tech Discussion

03-08-2009, 09:59 AM
Re: IBM 15" LCD caps

sorry PC I ment for the 470uf the Pan FM (P12376-ND) is slightly better on both ripple and ESR and I was planning on getting the UCC 1000uf KZE for the other.

Paul

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pflowers started a topic Any one use this station?

in Equipment Usage, Soldering, Techniques, and Reviews

03-07-2009, 08:36 PM
Any one use this station?

I talked my company into buying me [URL=http://www.stanleysupplyservices.com/product-detail.aspx?pn=441-852]this[/URL] station along with the TD-100 soldering iron with holder. I never had the chance to do any rework until now......man is that station nice.

PaulI talked my company into buying me [URL=http://www.stanleysupplyservices.com/product-detail.aspx?pn=441-852]this[/URL] station along with the TD-100 soldering iron with holder. I never had the chance to do any rework until now......man is that station nice.

PaulI talked my company into buying me [URL=http://www.stanleysupplyservices.com/product-detail.aspx?pn=441-852]this[/URL]

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pflowers replied to Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-07-2009, 07:59 PM
Re: Neoware Thin Client Trouble

well, I don't see anything here labeled "fuse" I'm just an underpaid guy with an expensive solder rework station who backward engineered repair work. I have just know started to understand caps and thier values. Any chance you can tell where a "fuse" is in that picture?

Paul

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pflowers replied to IBM 15" LCD caps

in General Computer & Tech Discussion

03-07-2009, 06:13 PM
Re: IBM 15" LCD caps

so the Pan FM would be an upgrade over that LT then right?

again the cost here is minute if compared to what we were being charged (150.00 per monitor) and I have a pile of these in the back room.........man I need a raise or something

Paul

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pflowers started a topic Neoware Thin Client Trouble

in Troubleshooting Power Supplies and Power Supply Design

03-07-2009, 05:59 PM
Neoware Thin Client Trouble

I have been repairing the power supplies in about 100 Neoware Eon 5000. I've gone through 61 of them thus far, most of them when powered up the power light blinks and you can hear a clicking sound from the power supply....those are a simple recap....anywhere between 1 and 8 caps replaced on each unit and they fire up like new.....however, I have 11 units that when powered up do nothing at all. I dug into one of these replaced all the caps that have been blowing on the other units, replace the + voltage regulator, the - voltage regulator, and the Fairchild Power Switch.....and still no power......if...

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pflowers replied to IBM 15" LCD caps

in General Computer & Tech Discussion

03-07-2009, 03:04 PM
Re: IBM 15" LCD caps

Thanks Soft......BTW heres the board I am working on........it looks slightly different than the one mentiond in that other post

Paul...

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pflowers replied to IBM 15" LCD caps

in General Computer & Tech Discussion

03-07-2009, 01:48 PM
Re: IBM 15" LCD caps

heres a link to that old thread

[url]https://www.badcaps.net/forum/showthread.php?t=2658&highlight=470uf+16v+LT+series[/url]

PaulRe: IBM 15" LCD caps<br /> <br /> ... <br /> PaulRe: IBM 15" LCD caps

heres a link to that old thread

[url]https://www.badcaps.net/forum/showthread.php?t=2658&highlight=470uf+16v+LT+series[/url]

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pflowers replied to IBM 15" LCD caps

in General Computer & Tech Discussion

03-07-2009, 01:38 PM
Re: IBM 15" LCD caps

The increased uf on the 470 was in a post I found on here.....I didn't understand that myself.....but from the looks of the thread there have been dozens of LCD repaired using those caps.......I would rather use a 470 myself (feel safer that way).....but I don't have an account with mouser so I need to stick to Digi-Key stock.

That UCC might be pushing the limits on length...it leaves me about 3 or 4 mm clearance....worth a shot I guess....the Hermei is a 10X15mm

Paul

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replacements for Teapo caps

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Replacement for MCZ 1800UF 6.3v

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Any one use this station?

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Neoware Thin Client Trouble

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