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Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-03-2021, 01:54 AM
Replies: 4
Views: 910
Posted By Exim
Re: Asrock X470D4U server board.

There's a 4.21 Beta: https://download.asrock.com/BIOS/Server/X470D4U(L4.21)ROM.zip
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-19-2020, 04:13 PM
Replies: 8
Views: 1,107
Posted By Exim
Re: Asus M2A-VM preventive KZG recap, as it turned out unnecessary in this case

Nice, thanks for the link.


The new caps are on the board. Running some tests ATM.
Thanks for the comments. Much appreciated.

...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-18-2020, 04:45 PM
Replies: 7
Views: 1,122
Posted By Exim
Re: Intel D410PT, KZG replacement

Thought I had a few FM 6,3/1000 ones, but no, it was a bunch of 6,3/1500.
So now it's a little overkill and it looks a little funny. However, specs wise it's beyond any doubt. :D
KZG 6,3/820 ...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-17-2020, 04:01 PM
Replies: 5
Views: 1,062
Posted By Exim
Re: Recapping a DC-DC converter, 12V to ATX, which caps to use?

The four new FRs are in place, board is working fine.
Didn't bother to take out the remaining general purpose "EVA Top" ones. They all measured "something". Good enough. :smile:
...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-17-2020, 03:36 AM
Replies: 8
Views: 1,107
Posted By Exim
Re: Asus M2A-VM preventive KZG recap, as it turned out unnecessary in this case

What date(s) are printed on the removed ones?

https://www.badcaps.net/forum/attachment.php?attachmentid=223867&stc=1&d=1605601566




Yes, they were. Or are. If the right caps were/are on....
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-17-2020, 01:54 AM
Replies: 7
Views: 1,122
Posted By Exim
Re: Intel D410PT, KZG replacement

Yeah, ESR is worse, but just by 2 mOhms.
KZG 6,3/820 0.036/1140 8x11,5 mm
FM 6,3/1000 0.038/1290 10x12,5 mm

Waiting for parts to arrive. There's some delay because of COVID-19, dealer says...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-10-2020, 12:44 PM
Replies: 5
Views: 1,062
Posted By Exim
Re: Recapping a DC-DC converter, 12V to ATX, which caps to use?

He (https://badcaps.net/forum/showpost.php?p=14717) put a single - from the color I'd guess MBZ - Rubycon on each rail. So I guess two FRs in parallel on each rail will do the job.
Forum: Troubleshooting Power Supplies and Power Supply Design 11-10-2020, 08:51 AM
Replies: 5
Views: 1,062
Posted By Exim
Recapping a DC-DC converter, 12V to ATX, which caps to use?

This "beautiful" converter board is from an old Mini-ITX case. It uses 12V DC as input and converts it to ATX voltages.
I'd like to recap it. The machine is in use 24/7 as a router.
...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-09-2020, 05:32 PM
Replies: 7
Views: 1,122
Posted By Exim
Intel D410PT, KZG replacement

Intel D410PT, a Mini-ITX board with a single core Atom D410 onboard, TDP 10W, passive cooling. It's used as a router and running 24/7 since years.

There are Rubycons, Nichicons, some cheap looking...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-09-2020, 04:58 PM
Replies: 8
Views: 1,107
Posted By Exim
Re: Asus M2A-VM preventive KZG recap, as it turned out unnecessary in this case

Ah, you're right, that's the 8x20 KZGs, not the 10x16. I'll get some FRs then. regarding ESR and ripple KZG are 0.021/1870, FR and FS are 0.030/1560. Close enough.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 11-08-2020, 05:41 PM
Replies: 8
Views: 1,107
Posted By Exim
Smile Asus M2A-VM preventive KZG recap, as it turned out unnecessary in this case

This Asus M2A-VM was running 24/7 for 12 years without problems. CPU was a TDP 45W DualCore only, but still, 12 years are 12 years. I'm preparing this board as a spare part, it has to replace another...
Forum: Troubleshooting Audio Equipment 11-13-2018, 03:33 PM
Replies: 8
Views: 1,497
Posted By Exim
Re: Yamaha YST-MS25 amp board recap: replace small electrolytics with different type?

Yeah, but you need to know how handle it. :D


Yes, since replacing two replacement caps with replacement caps :whistle: it's working fine again.
The initial reason for the left channel volume...
Forum: Troubleshooting Audio Equipment 11-10-2018, 09:46 AM
Replies: 32
Views: 3,518
Posted By Exim
Re: Harmon Kardon HK206 PC speakers

You could start with checking the power supply. If it's plugged into the main speaker (instead of a fixed cable) so you can measure without disassembling: Does it deliver the specified voltage and...
Forum: Troubleshooting Audio Equipment 11-09-2018, 05:14 PM
Replies: 8
Views: 1,497
Posted By Exim
Re: Yamaha YST-MS25 amp board recap: replace small electrolytics with different type?

Replaced all electrolytics up to 10uF with PET films, the others with Pana FC.

It is (well, it was :whistle:) fixed. Left channel working fine again.
The signal path between input and power amps...
Forum: Troubleshooting Audio Equipment 11-01-2018, 03:41 PM
Replies: 8
Views: 1,497
Posted By Exim
Re: Yamaha YST-MS25 amp board recap: replace small electrolytics with different type?

Lead spacing is 5mm. Found some film caps that will fit.


The area below the large heatsink - almost the whole board - is darkened, it's not really visible on the pictures. Airflow in the box is...
Forum: Troubleshooting Audio Equipment 10-31-2018, 04:11 PM
Replies: 8
Views: 1,497
Posted By Exim
Yamaha YST-MS25 amp board recap: replace small electrolytics with different type?

Hi there, I'm working on the 25W amp board of a Yamaha YST-MS25 (https://www.google.com/search?q=yst-ms25&tbm=isch). It's 20yrs old.
Since a few months the volume on the left channel is way too low....
Forum: Troubleshooting Power Supplies and Power Supply Design 10-31-2018, 10:42 AM
Replies: 24
Views: 5,904
Posted By Exim
Re: Fanless Silverstone ST30NF / Etasis EFN-300 caps busted

Sorry for bringing this back up. Just realized I never gave feedback :o:

I didn't recap it. There were too many reasons against it, as already written in this thread: Unefficient design, compared...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-29-2015, 04:05 PM
Replies: 24
Views: 5,904
Posted By Exim
Fanless Silverstone ST30NF / Etasis EFN-300 caps busted

Fanless Silverstone ST30NF, also known as Etasis EFN-300, doesn't power up anymore. Was working 24/7 for about seven years until it switched off itself.

This thing is massive, even with the thick...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-30-2011, 08:58 AM
Replies: 1
Views: 2,356
Posted By Exim
Re: MSI GF4Ti VGA, what cap is this?

Ha, found out myself! I think.

Thanks to http://capacitor.web.fc2.com/solidcapacitor.html picture #4 seems to be a
SUNCON EP-cap
HVA series
330µF / ESR 0,016 Ohm / 3150mA ripple

Datasheet:...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-30-2011, 02:44 AM
Replies: 1
Views: 2,356
Posted By Exim
MSI GF4Ti VGA, what cap is this?

MSI VGA card "G4Ti4400-VTD", also known as "MS-8871 V1.0", "lost" two of its capacitors.

Pictures 1 and 2: SMD C857 is gone ... :-/ Any ideas except finding out the case size of the former...
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