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Search: Posts Made By: Per Hansson
Forum: General Computer Discussion Yesterday, 11:53 AM
Replies: 11
Views: 168
Posted By Per Hansson
Re: Asus CUV4-X suddenly has coil whine

Measure it if you have a capacitance meter, if it measures as a capacitor then solder it back in.
Forum: Troubleshooting Computer Displays Yesterday, 11:30 AM
Replies: 4
Views: 58
Posted By Per Hansson
Re: viewsonic va2231wm cannot power on

You have a dead short if the fuse blows.
Instead of a fuse you should use an incandescent lamp of say 60w to 100w.
If it becomes bright when you plug the monitor in you have a short: disconnect it!...
Forum: Troubleshooting Power Supplies and Power Supply Design Yesterday, 10:42 AM
Replies: 3
Views: 52
Posted By Per Hansson
Re: UniFi Switch 24 250W power supply

Did a search for EA18363 and this came up as the second hit, quite interesting / disconcerting ;)

https://community.ubnt.com/t5/EdgeSwitch/3x-Dead-EdgeSwitch-48-500w/td-p/1747440

There is a...
Forum: General Capacitor Questions & Issues 10-21-2018, 04:16 AM
Replies: 85
Views: 21,800
Posted By Per Hansson
Re: How to Recondition (Reform) Electrolytic Capacitors and Why

(TLDR version second paragraph below).

Have been debating weather to post this in the funny shit thread (https://www.badcaps.net/forum/showthread.php?t=1001) or electronic mistakes thread...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-21-2018, 03:05 AM
Replies: 3
Views: 52
Posted By Per Hansson
Re: UniFi Switch 24 250W power supply

No as you can see it's connected to the chassis ground.
The fuse is further down on the right in the same photo, heatshrinked standing up marked F1.
Forum: Custom Tweaks, Modifications, and Revisions 10-19-2018, 12:29 PM
Replies: 5
Views: 134
Posted By Per Hansson
Re: The PacMan ATX Computer Case - cleaning and painting

Nice, but you disappointed me with no pictures of the 5.25" floppy drive ;)
Forum: Troubleshooting Power Supplies and Power Supply Design 10-11-2018, 01:59 PM
Replies: 27
Views: 751
Posted By Per Hansson
Re: The Cheapest ATX Power Supply on Amazon Prime, How bad can it be?

That's to make sure it can provide 875w :popcorn1:
Forum: Troubleshooting Power Supplies and Power Supply Design 10-07-2018, 02:10 AM
Replies: 27
Views: 751
Posted By Per Hansson
Re: The Cheapest ATX Power Supply on Amazon Prime, How bad can it be?

PFC & BPFC never seen that before, are there PSU's that use two passive PFC coils?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-06-2018, 08:29 AM
Replies: 950
Views: 79,747
Posted By Per Hansson
Re: ESR meter upgrades

GM328R firmware attached containing latest SVN version 798 of Karl-Heinz firmware.
This time 16Mhz and 20Mhz builds are included, I have tested both.
Forum: Troubleshooting Game Consoles & Other Weird Devices 10-05-2018, 02:02 PM
Replies: 10
Views: 218
Posted By Per Hansson
Forum: Troubleshooting Game Consoles & Other Weird Devices 10-05-2018, 09:40 AM
Replies: 10
Views: 218
Posted By Per Hansson
Re: Fluke 289 bad supercapacitor replacement repair

Nice! But you're supposed to post pictures to make us happy ;)
Forum: Troubleshooting Computer Displays 10-01-2018, 12:30 PM
Replies: 4
Views: 167
Posted By Per Hansson
Forum: Troubleshooting Power Supplies and Power Supply Design 09-30-2018, 12:22 PM
Replies: 15
Views: 1,121
Posted By Per Hansson
Re: Power supply ripple hall of shame

This is from a 12v to 5v DC-DC PSU that was installed on an I/O board for a machine.
I had some fun with it today, it's sensitive to both heat but then I also noticed physical shocks.
I can make it...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-30-2018, 11:04 AM
Replies: 10
Views: 218
Posted By Per Hansson
Re: Fluke 289 bad supercapacitor replacement repair

Keep in mind these meters have a minimum of 10 years warranty.
So if anyone is not up to replacing them just send it in to Fluke to have them do it...
...
Forum: General Capacitor Questions & Issues 09-26-2018, 10:58 AM
Replies: 18
Views: 437
Posted By Per Hansson
Re: Digikey sold me caps that are over 4 years old

Read the section "shelf life" in the above PDF.
If you want to threat them nicely you can read this:
https://www.badcaps.net/forum/showthread.php?t=50530

Me? I'd just put them in circuit and be...
Forum: General Computer Discussion 09-26-2018, 10:44 AM
Replies: 4
Views: 102
Posted By Per Hansson
Re: ASRock X99 Extreme 6 vs Asus Rampage V

It just means that they did not have access to that much RAM to test it and make sure it actually works...
It's a common thing for many mainboards, no matter it's age...

For me the choice would...
Forum: General Computer Discussion 09-25-2018, 01:25 PM
Replies: 19
Views: 314
Posted By Per Hansson
Re: Use a system image backup on another computer?

You realize how many people have gonorrhea?
You think it's by choice?
Forum: General Computer Discussion 09-25-2018, 12:54 PM
Replies: 4
Views: 102
Posted By Per Hansson
Re: ASRock X99 Extreme 6 vs Asus Rampage V

RAM support is dictated by the CPU and PCH, not the mainboard.
That said I have the smaller version, a Asrock X99 Extreme4/3.1 and I'm very happy with it.

One way to decide is how they handle the...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-22-2018, 02:50 AM
Replies: 2,962
Views: 693,890
Posted By Per Hansson
Re: Power supply build quality pictorial. part 2

As always Wester547, thanks for your insightful posts!
Forum: General Electronics Technical Discussion 09-17-2018, 01:27 PM
Replies: 6
Views: 487
Posted By Per Hansson
Re: Replacing a PNO with NPN

You have linked to off-site pictures, who don't you just modify them?
Forum: General Electronics Technical Discussion 09-17-2018, 11:48 AM
Replies: 38
Views: 525
Posted By Per Hansson
Re: How do I determine a fuse that I need for a circuit?

This popped up in my feed yesterday: https://www.youtube.com/watch?v=7Tk5ghH_U2s
Forum: General Computer Discussion 09-17-2018, 11:31 AM
Replies: 26
Views: 532
Posted By Per Hansson
Re: Pages sent to printer sliding off page

https://social.technet.microsoft.com/Forums/windows/en-US/68c6640f-6eed-4c6c-a938-2111fbc9a64d/windows-7-wont-work-with-usr5461-wireless-printer-server?forum=w7itprohardware

Read the last message...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-17-2018, 11:18 AM
Replies: 6
Views: 1,688
Posted By Per Hansson
Forum: Troubleshooting TVs and Video Sources 09-16-2018, 01:31 AM
Replies: 5
Views: 6,418
Posted By Per Hansson
Re: 17mb82-2 25q64 25q16 bin

You have the filename from the link.
I found it on Archive.org but they don't have the file itself: https://web.archive.org/web/*/http://fisierulmeu.ro/287Z6Z985MD2/mb82-2-VES315WNDL-01-rar.html
I...
Forum: General Computer Discussion 09-09-2018, 01:28 PM
Replies: 2,396
Views: 369,661
Posted By Per Hansson
Re: best cheap/free scores 1.1

It uses regular 7.2AH 12v batteries, they don't cost much.
And they are consumables anyway.
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