Re: MS-7548 Failed TK Caps
So I looked a little more into the CRAPS surrounding the cpu and found that there's two groups, as seen in the picture.
I suppose I can assume the group of greater quantity is the VCore voltages that I can/should Poly.
What are the 3 stragglers(only two of those spots had caps in them), and what should I put in there??
Thank you all very much for the contributions.
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Re: MS-7548 Failed TK Caps
Not designed to die, to be _cost efficient_
)
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Re: MS-7548 Failed TK Caps
they choose to use pannys and solids on other parts of the board, but use cheap shit on the vrm, where better quality is needed. that board looks like it was designed to dieLeave a comment:
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Re: MS-7548 Failed TK Caps
Socket AM2. Working voltage should be under 1.5VLeave a comment:
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Re: MS-7548 Failed TK Caps
I see TK vented on ECS motherboards A LOT. I'm sure it stands for Terrible KapacitorLeave a comment:
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Re: MS-7548 Failed TK Caps
The 820uF will work fine for the Vcore caps.
Just check CPU Vcore voltage in a data sheet. No need to break out a meter.
Use a DMM to find out for sure if that odd one off to the side is Vcore or not.
I replace G-Luxon if they are 6mm or larger, or 85C.
You seem to know what your doing.
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MS-7548 Failed TK Caps
Hello All,
I just wanted to toss out a board that I haven't seen yet on badcaps, but have seen sold as "refurbished" on ebay(I wonder why).
MS-7548 out of an HP AMD setup.
The good caps on the board are Panasonic's as best I can tell.. [M]
I'm seriously considering swapping the caps around the CPU to something like the UCC Poly 2.5v/820uf that's sold here. I've done some reading and I'm thinking that I ought to check to see how many of those particular ones are in parallel just to remove some of the mysteries of 'which is which', and 'do I use 2.5v, or higher'...
As for the rest of the junker TK's, I've got some Samxon 6.3v/1800uf caps(courtesy of Badcaps.net
)
Oh geez, just noticed those smaller G-Luxon's too... should I worry about those? ...or was that a trick question?
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I know I've been a little scarce lately (like the last 2-3 years), but I'm still here and still doing my thing with fixing PSUs.
For today's considerations, I have a Seasonic B12 BC-550 [A551bcafh] 550 Watt ATX power supply for you (click on links for full size images).
https://www.badcaps.net/filedata/fetch?id=3591771
https://www.badcaps.net/filedata/fetch?id=3591772
It's a modern ATX unit with fixed (non-modular) cables and an 80-plus bronze certificate. Here's the label:
https://www.badcaps.net/filedata/fetch?id=359177... -
Hello,
First, I am a complete noob with high voltage stuff. I'm learning, but I need help by someone looking over my shoulder.
I recently came into posession of a Heathkit IO-4205 5MHz Dual Trace Oscilloscope. The documentation is copyright 1978. I'm told it works.
I opened it up to check the caps before I applied power, and found the following black caps and wanted to know what they were. They are on the power supply board. I was able to read the name and model and came up with, "Nytronics 162J-1, 0.1uF, 20% tolerance, 2000VDC."
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Hello!
I have two projects on my work bench. One is a friends dead JBL Xtreme speaker with a blown voltage regulator and corresponding bulged and shorted cap. That cap has clear markings so I know what replacement I need for it.
The other project however is a whole different deal. It's a Zoom 9000 guitar effect from the 90th that has developed a devil hound howl when there is no input from the guitar. I'm guessing caps problem. So, since I don't really use this effect anymore I thought it would be a perfect project to learn on.
I have studied the board and... -
Normally, I never post repairs this quick after I do them, because… I am usually very slow.
But today, I’m making an exception here. Why? No idea. Perhaps only because the repair details are still “fresh” in my head… which is ironic, given this is a 16 year old monitor that hardly anyone will care about today. It is new to me, though. 
I picked it up last November from someone on my local Craigslist. It wasn’t very close to where I live, but was close to a family friend that I had to go visit anyways. So after watching the posting on Craigslist for a few weeks and seeing it getting...
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I'm trying to repair two old VCRs, they both have bad caps. One has leaky ones, the other would barely run until I subbed in some caps from another power supply I had laying around (though they are the wrong values). This vcr works for an hour or two, but then the power supply starts whining and the picture gets lines in it. I didn't replace all the secondary caps, so another voltage might still be problematic, or the values I used are too far off.
I've been on mouser and digikey but the options are a bit overwhelming. I just need some new ones that will work. They don't need to be top quality,...
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