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Search: Posts Made By: Per Hansson
Forum: General Capacitor Questions & Issues Today, 02:38 AM
Replies: 19
Views: 1,820
Posted By Per Hansson
Re: Trying to locate this safety cap

Well if replacing the TL431 got your device working again it can be a safe bet that was it.
But if you are interested in testing it properly you need to build a small circuit with it.
This was the...
Forum: Troubleshooting Audio Equipment 07-13-2021, 03:56 AM
Replies: 3
Views: 1,942
Posted By Per Hansson
Re: Polk Audio RTi100 Plate Amplifier won't power on and intermittently honks and buz

I would say the inner CapXon in this picture looks both bulged and sits at an odd angle.
In any case with caps of such bad brands it would not be strange with silent failures also (dried up due to...
Forum: Troubleshooting Game Consoles & Other Weird Devices 07-09-2021, 12:59 PM
Replies: 75
Views: 2,857
Posted By Per Hansson
Re: Honda CX500 Motorcycle CDI ignition unit

Condolences for your loss!


A small idea about the box if you haven't already considered it is a custom 3D printed one.
Many places you can order 3D prints from models you provide...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-07-2021, 12:01 PM
Replies: 1
Views: 87
Posted By Per Hansson
Re: Apple iMac A1418 Late 2013 - Fan run at max.

I'm just guessing here but that should not make it run slow.
Check if you can find any program that can check the temperature of the CPU.
Perhaps it is genuinely high: then it will clock down to...
Forum: General Capacitor Questions & Issues 06-27-2021, 09:09 AM
Replies: 9
Views: 285
Posted By Per Hansson
Re: recap help AcBel PSU

Well, a more proper way to put it is to use capacitors that are as close as possible to the originals in spec.
A PSU is basically tuned to the ESR of the capacitors, so if you change them too much...
Forum: General Capacitor Questions & Issues 06-27-2021, 06:34 AM
Replies: 9
Views: 285
Posted By Per Hansson
Re: recap help AcBel PSU

Don't use the ultra low ESR caps: Rubycon MBZ and Chemi-Con KZG, OST RLP.
Otherwise you should be ok for some testing, basically use the caps with the highest ESR you can find from the ones you...
Forum: General Computer & Tech Discussion 06-27-2021, 06:26 AM
Replies: 30
Views: 577
Posted By Per Hansson
Re: PC Power Draw?

That is an APFC power supply according to Supermicro with a power factor of 0.99
So it should measure the same on the old and new meter.
But a good way to make sure the new (and old) meter works as...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-26-2021, 08:11 AM
Replies: 12
Views: 1,718
Posted By Per Hansson
Re: Muskoka MH25BL-1 Electric Fireplace no power

That is just glue, an oscillator is commonly glued down to the PCB to secure it from vibrations and chock.
Forum: General Computer & Tech Discussion 06-26-2021, 05:21 AM
Replies: 53
Views: 1,143
Posted By Per Hansson
Re: The "leaked" Windows 11

I was going to say that TPM 2.0 is only a "soft" requirement, but that TPM 1.2 is a "hard" requirement.
However now Microsoft changed the language on their support website removing the part about...
Forum: General Capacitor Questions & Issues 06-20-2021, 12:48 PM
Replies: 4
Views: 167
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 06-20-2021, 10:34 AM
Replies: 4
Views: 167
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: 313
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: 80
Views: 10,371
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: 39
Views: 2,305
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: 525
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: 16
Views: 463
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: 253
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: 403
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: 275
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: 16
Views: 463
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: 37
Views: 1,171
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: 407
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: 143
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: 313
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: 208
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...
Showing results 1 to 25 of 500

 
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