exxos's Atari, Amiga & retro forum

Looking at recapping my PSU, and hoping someone has a list that I can use to order..

getting no output from the PSU, checked fuses and also checked the main 2200uF 40v caps ( in circuit )and they seem to be goosed...

Hense recap the whole thing..
I know there a few different Power Supplies, mine if the old heavy one..
TIA

I'm assuming you're in the UK given it is 240V, and by fuses you mean in the mains lead and inside the PSU? Have you checked cable continuity for the mains lead and the power output lead?

Recapping is not a bad thing but worth checking the cables before you break out the soldering iron.

Yep, checked all that, to be fair, didn't check voltages on the transformer, just tested the caps and saw how nasty they looked..
yes, UK :)

maeltar wrote: 17 Aug 2020 09:22 Yep, checked all that, to be fair, didn't check voltages on the transformer, just tested the caps and saw how nasty they looked..
yes, UK :)

Fair enough, not everybody does.

I have one of those that still works but gets hot and stinks of fish so knowing the numbers for those big caps would be useful

terriblefire wrote: 17 Aug 2020 09:45 I have one of those that still works but gets hot and stinks of fish so knowing the numbers for those big caps would be useful

2200uF 40v it's the rest am struggling with..

I guess I'll just have to whip em out and see what i can find

maeltar wrote: 17 Aug 2020 10:05

terriblefire wrote: 17 Aug 2020 09:45 I have one of those that still works but gets hot and stinks of fish so knowing the numbers for those big caps would be useful

2200uF 40v it's the rest am struggling with..

I guess I'll just have to whip em out and see what i can find

Whenever I am removing caps, if possible I number them on the top with a Sharpie and/or colour code them and take a photo before I start removing them. As I remove them I note what number cap has which value so I can make a list for ordering, and also to make sure I get the new caps in the right location.

Are they X/Y class caps or standard electrolytics

Opened up mine..

Mains side the main smoothing cap is a 400V 33uF

The one thats gone fishy is a 10V 1000uF cap.

I would recommend just replacing the entire board with a Meanwell PSU. Just jump on YouTube and type 'meanwell amiga' and you'll see lots of guides. (I did this myself, they're really great)