Re: Raidmax rx-1000ae PSU weaken - occasional reset

I check all caps on board and both ESR meter and capacity test show that all of them are OK.. I just order from China and replaced this big ones..
I don't think caps are problem here..

Re: Raidmax rx-1000ae PSU weaken - occasional reset

Yesterday I receive a replacement 420V caps..



I replaced Teapo with Nichicon 420V 330uf, but problem stay the same, I have bad PG signal, it is 190 and blinking sound of warnings..

In a meantime I found this : [url]https://jestineyong.com/power-good-problem-in-atx-power-supply/[/url]

Can anyone tell me where is this ''secondary side PWM IC'' in picture on my PSU ?Re: Raidmax rx-1000ae PSU weaken - o...placement 420V...

Re: PSU weaken - occasional reset

This PSU was very good and I have never problems with it..
At least I don't have problems at all now, only in games there are occasional restart, but for about 10 years old that is ok. It was always be used in desktop PC with one graphic card, so it has work about 30-40% of it's capabilities all time, but years have done their thing..
If anyone have idea what to try more, please advice.

Re: PSU weaken - occasional reset

Guys thanks for response, I don't quit, have big problems how to get into bottom side of the board since this modular PSU are very difficult to work, for days I was thinking how to get to bottom side and finnaly tonight I manage to do it so I can do some work..

I desolder a big ones 420V and 330uf, and from what I see they are ok.

Capacitance test shows 300uf for one and 305uf for other one ( that is in tolerance )..
ESR meter shows this.





So from what I can see they...

Re: PSU weaken - occasional reset

Ok, I will desolder all caps and check with ESR meter also do a capacitance measurements with DMM.
Beside caps do I need to check / replace anything else ?

Re: PSU weaken - occasional reset

Thanks for response.

I found that I have two big ones that are Teapo 420V and 330uf, and this series of smaller ones which are Teapo 2x 10V 3300uf and 4x 16V 3300uf. There are also smaller ones inside but I can read them well from this point since they are too small.





For start I'm planing to desolder a big ones 420V and test them with ESR meter to see condition of them.
As I said PSU works just fine and without any problems at all only is restarting is some certain games, which...

Hi, I have my own PSU which have some problems.
It is about Raidmax rx-1000ae, it run good on idle no problems at all never.
But is some games it just reset PC without no rule. It can be play for 10 min and reset it can be 30 min or eaven a hour then reset PC..
To be sure that PSU is problem I put another PSU and testing for days no problem at all.
So PSU is weaken and in some time when system take more power it obvious put protection and PC restart.
All voltages are OK, but PG signal is blinking and beeping so I assume that can be problem.

[URL="https://www.youtube.com/watch?v=XNtsfxKpCS4"]https://www.youtube.com/watch?v=XNtsfxKpCS4[/URL]...

Re: Power good problem in PSU all voltages seems to be OK

I will buy this big capacitor 400v 470uf, replace it then I will try. I'm convinced the problem lies there.

Re: Power good problem in PSU all voltages seems to be OK

Ok, so I need to check from other side of board all of capacitors for shorts ?
And to replace this big on which is probably dead ?

Re: Power good problem in PSU all voltages seems to be OK

I get a very hard pressure on it and it remain hump on center, it simply can't go down.

And I'm pretty sure that I'm firt who open this PSU, so that arrowed problem can be only if something melted there.

I desolder a big one since I have doubts about him, and I measure only 1.7 nF on it..

I don't know does this device can measure correctly a capacity on this kind of very big capacitor.

As picture shows I took one new 25V 1000 uF and do measurements are good, so if...

Re: Power good problem in PSU all voltages seems to be OK

Ok, I open it up.

From top side I dont see any kind of problem that I can spot with the eyes, except this big capacitor 400v 470uf that have hump on the center ( it is not flat ).

And from bottom side only what I can spot is that there can be some problem in marked area.
















So capacitor is probably out, but if something else can be problem here ?...

Hi there I just got some Cooler Master mpx-7001-acabw-eu PSU. There is sticker on it so it is not been open ever.

It have some power good problem, all voltages seems to be ok, but that PG is 0 and blinking on this simple PSU tester, also when on this tester a PSU let out some strange sound inside it ( I can't record it since PSU tester is whistle and covering that sound from PSU ).
When I try to connect a green and black wire on 24 pin connector a fan on PSU just little move and nothing.

Here is a video of problem : [url]https://www.youtube.com/watch?v=3cmO8x05lA4[/url]...

Re: New Members - please post your introductions here

Hi to all.
My name is Aleksandar and I'm from Slovenia but currently in Serbia.
I want to learn something new, and also to ask sometimes much more professional members for help.

I'm looking forward to hanging out here.