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Search: Posts Made By: Per Hansson
Forum: General Capacitor Questions & Issues Yesterday, 12:48 PM
Replies: 4
Views: 77
Posted By Per Hansson
Re: Advice for replacements for some Rubycons

I just now tried a post card in my Precision 470, post here: https://www.badcaps.net/forum/showthread.php?t=5974
It does display post codes (I was not 100% sure since it is a Dell) so yes it seems...
Forum: General Capacitor Questions & Issues Yesterday, 10:34 AM
Replies: 4
Views: 77
Posted By Per Hansson
Re: Advice for replacements for some Rubycons

That said for a difference so small I would expect the board to work fine anyway.
Maybe only overclock a little bit less than before.
So I would say your problem now lies elsewhere, try a Port 80H...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-12-2021, 02:31 AM
Replies: 8
Views: 194
Posted By Per Hansson
Re: Casing Power MPT-301 [PCB ATX9806b-p REV: A3] - load testing

It's actually the PSU from this old thread (https://www.badcaps.net/forum/showpost.php?p=510964&postcount=1039) that I fixed last weekend and posted about here...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-12-2021, 02:17 AM
Replies: 76
Views: 9,859
Posted By Per Hansson
Re: Post your worthless and/or pointless repairs

I have used the PSU mentioned in this thread (https://www.badcaps.net/forum/showpost.php?p=510964&postcount=1039) as a parts PSU since, well, you see the date on that thread...
I also have another...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-12-2021, 01:04 AM
Replies: 36
Views: 1,850
Posted By Per Hansson
Re: Chieftec GPS-550AB-A (Delta OEM)

Impressive you caught that!
Seems to be a FSQ0165RN nice!
https://www.onsemi.com/products/power-management/ac-dc-controllers-regulators/offline-regulators/fsq0165rn
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 06-11-2021, 11:11 AM
Replies: 20
Views: 368
Posted By Per Hansson
Re: [SOLVED] GIGABYTE GA-H81M-DS2 REV: 3.0 Constant Power Cycling

Moderator Log
Date User Action
14:57, 9th Jun 2021 piernov Thread title (original 'GIGABYTE GA-H81M-DS2 REV: 3.0 Constant Power Cycling') changed
Forum: General Capacitor Questions & Issues 06-09-2021, 03:18 PM
Replies: 15
Views: 289
Posted By Per Hansson
Re: This can't be right...

Yes here, he describes the graphs meaning on the previous page.
But he got different values after reforming so I'm linking that as it is the correct one:...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-09-2021, 12:01 PM
Replies: 2
Views: 127
Posted By Per Hansson
Exclamation WARNING: Live heatsinks & single pole on/off switches in switching power supplies

This is a warning to inexperienced and experienced techs alike:
The De-facto standard is to have the primary side heatsink live in switching power supplies.
That is the primary side heatsink is...
Forum: Troubleshooting TVs and Video Sources 06-09-2021, 12:01 PM
Replies: 0
Views: 137
Posted By Per Hansson
Exclamation WARNING: Live heatsinks & single pole on/off switches in switching power supplies

This is a warning to inexperienced and experienced techs alike:
The De-facto standard is to have the primary side heatsink live in switching power supplies.
That is the primary side heatsink is...
Forum: Troubleshooting Computer Displays 06-09-2021, 12:01 PM
Replies: 0
Views: 186
Posted By Per Hansson
Exclamation WARNING: Live heatsinks & single pole on/off switches in switching power supplies

This is a warning to inexperienced and experienced techs alike:
The De-facto standard is to have the primary side heatsink live in switching power supplies.
That is the primary side heatsink is...
Forum: General Capacitor Questions & Issues 06-09-2021, 09:38 AM
Replies: 15
Views: 289
Posted By Per Hansson
Re: This can't be right...

Take a look at these threads:
https://www.eevblog.com/forum/beginners/physical-capacitor-size/
https://www.eevblog.com/forum/beginners/non-polar-electrolytics-im-confused/...
Forum: General Capacitor Questions & Issues 06-05-2021, 01:46 PM
Replies: 36
Views: 833
Posted By Per Hansson
Re: Did I just bought a fakecap ?

Check the polarity of the capacitors: you installed them backwards.
Asus are crazy and uses the half circle on the PCB to designate the positive side.
See for example:...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 06-04-2021, 11:16 PM
Replies: 14
Views: 326
Posted By Per Hansson
Re: How to find the faulty mosfet?

Here is the tool petehall refers to: https://www.badcaps.net/forum/showthread.php?t=93031
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 06-04-2021, 09:52 AM
Replies: 2
Views: 127
Posted By Per Hansson
Re: AsRock K8Upgrade-VM800 D5 Post-code

It has a socketed BIOS according to what is shown on Asrock website so as long as you know someone that has a programmer it is easy enough.
But first step first are you sure you are using a...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-03-2021, 12:50 PM
Replies: 8
Views: 194
Posted By Per Hansson
Re: Casing Power MPT-301 [PCB ATX9806b-p REV: A3] - load testing

Thread fixed :)
This is with a 10Ω load on 5VSB, so only 0.5A but still excellent results.
Oh, never mind the PSU on the right, that is just acting the load as it was the first decent resistor I...
Forum: General Capacitor Questions & Issues 06-02-2021, 11:44 AM
Replies: 3
Views: 112
Posted By Per Hansson
Re: Trusted place with good caps for CIS or from Ali

You can check what Badcaps store (https://www.badcaps.net/store/) charges to your location, the cheapest shipping is quite decent.
And you can check with member Behemot on this site too...
Forum: General Capacitor Questions & Issues 06-02-2021, 11:39 AM
Replies: 6
Views: 243
Posted By Per Hansson
Re: Capacity challenge for Sanyo OS-CON 510uf 4v on older GPU

I was wrong then, still can't find a datasheet for that old series.
Just go with 560F as suggested.
Forum: Troubleshooting Power Supplies and Power Supply Design 06-02-2021, 11:11 AM
Replies: 20
Views: 361
Posted By Per Hansson
Re: Why does my Seasonic SSR-500GB3 whine??

Try using a straw for pinpointing where the noise is coming from.
Also be careful: primary side heatsinks are often live!
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-31-2021, 12:25 PM
Replies: 4
Views: 129
Posted By Per Hansson
Re: [REPAIR] Multimiter sanwa PC510a strange temperature reading

There is a thermistor inside the meter, probably it is open circuit with a reading like that...
Forum: General Capacitor Questions & Issues 05-31-2021, 11:55 AM
Replies: 6
Views: 243
Posted By Per Hansson
Re: Capacity challenge for Sanyo OS-CON 510uf 4v on older GPU

The rated capacitance will not be 510F post a picture of the cap.
Forum: General Electronics Technical Discussion 05-26-2021, 10:55 PM
Replies: 84
Views: 2,268
Posted By Per Hansson
Re: LED Resistor Calculations ...

These kind of posts are usually by a spam bot to look legitimate and fly under the radar, but I usually wait untill he makes the actual spam post and then nuke from orbit...
Forum: General Computer & Tech Discussion 05-26-2021, 10:53 PM
Replies: 29
Views: 901
Posted By Per Hansson
Re: windows 7

Just follow the first two steps of the "Prerequisite" section in any of the latest MS KB articles like this one:...
Forum: Troubleshooting Audio Equipment 05-26-2021, 10:38 PM
Replies: 391
Views: 107,735
Posted By Per Hansson
Re: Repairing Alesis M1 Active mk2 Monitor Speakers

^^This would be the stage where I announce our sponsor: PCBWaaaaaaaay ;)
Forum: Announcements & Related News 05-26-2021, 10:31 PM
Replies: 1
Views: 88
Posted By Per Hansson
Re: New electronics repair tool. Strong Power supply HR-1520.

There are a couple of threads of them here yes, I can't off the top of my head remember where they where discussed though.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-26-2021, 10:25 PM
Replies: 4
Views: 286
Posted By Per Hansson
Re: Xbox 360 Slim PSU Zener diode ID

The component designation should have been "ZD" if it was a Zener, so I think stj's guess is the best you will get :)
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