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Search: Posts Made By: Paar
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 12-16-2020, 04:08 AM
Replies: 1
Views: 708
Posted By Paar
Re: Trying to fix ESS based sound card, problems with amplifiers

It was a bad solder joint, after reflow the card works perfectly.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 12-13-2020, 12:02 PM
Replies: 1
Views: 708
Posted By Paar
Trying to fix ESS based sound card, problems with amplifiers

Hi everyone. I have a problem with my ES1868 based sound card, mainly with it's amplifier part. The right channel is crackling all the time, but only when amplified. When the card is set to LINE OUT,...
Forum: General Capacitor Questions & Issues 11-21-2020, 04:34 AM
Replies: 30
Views: 4,377
Posted By Paar
Re: 4700uF 6.3v and 3300uF 16v in a 10mm Diameter

I'm currently in a need of 4700uF 10mm caps and noticed that Rubycon ZLQ series is suitable for this. Mouser has them and Digikey too but the postage price is crazy, at least for an individual person...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 10-14-2020, 05:17 AM
Replies: 5
Views: 1,040
Posted By Paar
Re: Old 286 motherboard cries for help

I cannot solder it properly from the top side because of the corrosion. But it's soldered nicely from the bottom and has good continuity according to my multimeter. These leaking batteries are no...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 10-13-2020, 03:34 AM
Replies: 5
Views: 1,040
Posted By Paar
Re: Old 286 motherboard cries for help

I have some news about this. To put it simple, the motherboard works fine again, at least is seems to. Just decided to give it another go the next day and it booted fine without any glitches. Played...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 10-12-2020, 01:35 AM
Replies: 5
Views: 1,040
Posted By Paar
Old 286 motherboard cries for help

Hi! I have problem s with a 286 motherboard I have acquired some time ago. The battery needed removal and corrosion from it's gunk cleaned, and after applying some patch wires all seemed to work. I...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-28-2020, 07:29 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

I've tried to open the PSU right after a shutdown and (carefully) placed my finger on every component I could reach. The only thing that produced any kind of warmth was the transformer and even it...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-26-2020, 11:51 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

To clarify - are you talking about pins that are circled out, specifically the one with the orange arrow? I cannot see anything there but I'll do as you say and resolder them all, just to be sure.
Forum: Troubleshooting Power Supplies and Power Supply Design 09-26-2020, 07:35 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

Do you see the crack on the picture? Because I have disassembled the whole PSU, inspected the bottom side with magnifying glass and couldn't find any crack.
Forum: Troubleshooting Power Supplies and Power Supply Design 09-26-2020, 02:58 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

Yeah I have checked the solder side of the PCB and everything looks fine. I'm attaching a photo so you can see.

The fan itself spins freely when upside down so that won't be a problem. There must...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-22-2020, 01:41 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

The voltage is 400V, as seen on the attached photo. Would this problem be affected by case temperature? It seems that higher temperature speeds up the shut down. I have capacitor tester if that...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-19-2020, 07:24 AM
Replies: 16
Views: 1,768
Posted By Paar
Re: Corsair HX 450W shuts itself down after a while

Well I have checked the underside of the board and it looks pristine. Some flux residue but that's that. About testing the voltage rails - you mean I should check both of them (+5V STB and e.g. +12V)...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-19-2020, 03:39 AM
Replies: 16
Views: 1,768
Posted By Paar
Corsair HX 450W shuts itself down after a while

Hi. I have bought used Corasir HX 450W power supply and have an annoying problem. I have a PC case with PSU situated on the top of it. Whenever I install this PSU in it and close the cover the...
Forum: Announcements & Related News 06-12-2020, 03:55 AM
Replies: 30,502
Views: 3,329,314
Posted By Paar
Re: New Members - please post your introductions here

Hi everyone. I'm very grateful for this site as it is a ton of valuable info for soldering begginers such as me. Thank you all for helping each other! I hope that I will help someone too someday....
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