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repairing a power supply?

Posted: Fri Apr 22, 2022 10:54 pm
by Gocha
I know is not worth it, I know the best idea is to buy a new one BUT I want to repair my power supply.

I'm having the usual reset problem with the PSU, but I've done every fix I've found online without much success: cleaning the pins, putting some solder on the pins, bending the pins a little, cleaning the plug, etc. so I think the connection between the PSU and dreamcast is fine, the only way to make it better right now would be to solder it together.

I thought that it might be a good idea to recap the whole thing just to check if that could be the problem (just because the caps are always the problem with every single sega thing) do you guys think it is a possible solution to it? sadly my multimeter doesn't have the option for testing caps.

Re: repairing a power supply?

Posted: Fri Apr 22, 2022 11:50 pm
by Ian Micheal
Prolly best bet should not cost much to do.. If you care about light gun games.. replacements create noise that stops them working pico etc

Re: repairing a power supply?

Posted: Sat Apr 23, 2022 10:18 am
by Gocha
Ian Micheal wrote:Prolly best bet should not cost much to do.. If you care about light gun games.. replacements create noise that stops them working pico etc
when you say replacements you mean replacement PSUs? or replacing the caps? Thanks for the answer anyway

Re: repairing a power supply?

Posted: Sat Apr 23, 2022 11:23 am
by Ian Micheal
Gocha wrote:
Ian Micheal wrote:Prolly best bet should not cost much to do.. If you care about light gun games.. replacements create noise that stops them working pico etc
when you say replacements you mean replacement PSUs? or replacing the caps? Thanks for the answer anyway
I would recap it better qualty then the replacement junk from china

Re: repairing a power supply?

Posted: Sun Apr 24, 2022 3:49 pm
by bingobongo
I've been playing Shenmue Definitive Ed. for most evenings this past month with some junk from China. No problems so far :)

Even the original Sega PSUs are still made in China, If I'm not mistaken?

Re: repairing a power supply?

Posted: Sun Apr 24, 2022 8:07 pm
by deluxux
This is the replacement you want to order a genuine Pico https://www.mini-box.com/picoPSU-80

The crap from China Ian is talking about like this fake pico https://m.aliexpress.com/item/4000465400668.html
And this they call a DreamPSU . https://m.aliexpress.com/item/4000585962665.html

Bunch of crap online.. this is a fake pico with an adapter plate? https://ae01.alicdn.com/kf/S7faf93552d2 ... .jpg_.webp