PSU (power supplies)

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exxos PSU 110V wiring

Last post by exxos « Mon Dec 31, 2018 2:46 pm

by exxos » Mon Dec 31, 2018 2:46 pm

I get asked this info a lot, it is actually on my site but I will post here as well..

NOTE: If anyone can post images of the original grey...

0 Replies

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Last post by exxos
Mon Dec 31, 2018 2:46 pm
exxos PSU 230V wiring

Last post by exxos « Mon Dec 31, 2018 2:33 pm

by exxos » Mon Dec 31, 2018 2:33 pm

I get asked this info a lot, it is actually on my site but I will post here as well..

230V WIRING - ORIGINAL GREY SWITCH

When ordering the...

0 Replies

74 Views

Last post by exxos
Mon Dec 31, 2018 2:33 pm
How to: recapping the Mega STe power supply

Last post by Pacman « Sun Nov 11, 2018 6:30 pm
Replies: 36
by Pacman » Mon Oct 16, 2017 11:41 pm
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I recently decided to replace all the electrolytic capacitors (recap) in my Mega STe power supply (Phihong PSM-5341) as a safety measure, considering...
36 Replies

4037 Views

Last post by Pacman
Sun Nov 11, 2018 6:30 pm
NEW MSTE/TT & ST PSU ? (well not really)

Last post by troed « Thu Apr 12, 2018 5:00 pm
Replies: 1
by exxos » Thu Apr 12, 2018 2:41 pm

As many know I created alternative power supplies for the STF/E/Falcon. About once a week I get asked if I will design a new MSTE PSU. Basically the...

1 Replies

564 Views

Last post by troed
Thu Apr 12, 2018 5:00 pm
WHAT PSU CAPACITORS SHOULD I USE ?

Last post by exxos « Fri Aug 18, 2017 8:26 pm

by exxos » Fri Aug 18, 2017 8:26 pm

This is a question I get asked almost daily...

Before I explain some things, please considering buy the capacitors kits from my webstore if I sell...

0 Replies

780 Views

Last post by exxos
Fri Aug 18, 2017 8:26 pm
ATARI ST PSU CAPACITOR & UPGRADE INFORMATION

Last post by exxos « Fri Aug 18, 2017 8:21 pm

by exxos » Fri Aug 18, 2017 8:21 pm

Work I started in 2012 and spanning now 5 years later. I have been researching and offering replacement kits and advise to people with Atari PSU's....

0 Replies

1296 Views

Last post by exxos
Fri Aug 18, 2017 8:21 pm
Future PSU designs

Last post by exxos « Tue Jan 22, 2019 3:27 pm
Replies: 106
by exxos » Sun Sep 24, 2017 2:00 am
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As many know I designed my own PSU..

Though soldering the regulators is no fun :roll:

I have been looking around and found a soic8 regulator...
106 Replies

12940 Views

Last post by exxos
Tue Jan 22, 2019 3:27 pm
Moving UK STs to the US: SR98 110v mod?

Last post by stween « Wed Dec 26, 2018 4:31 pm
Replies: 10
by stween » Tue Dec 25, 2018 5:09 pm
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Has anybody done this? I have three STs, I think all with SR98s in them. I'm planning on shipping them with me to the US early next year.

I like to...
10 Replies

384 Views

Last post by stween
Wed Dec 26, 2018 4:31 pm
Jan Beta Mega ST

Last post by heffe2001 « Sun Dec 02, 2018 1:57 pm
Replies: 8
by pobolycwm » Sat Nov 03, 2018 11:17 am

Just watched Jan Beta slap a Meanwell rd50a psu in his Mega ST, has anyone tried this with a STE? Will crack open and measure up the space to see if...

8 Replies

606 Views

Last post by heffe2001
Sun Dec 02, 2018 1:57 pm
New Exxos Red Power Supply

Last post by exxos « Fri Nov 30, 2018 3:52 pm
Replies: 4
by PaulJ » Fri Nov 30, 2018 3:08 pm

Just installed an Exxos Red Power supply (110v) and inital impressions are very good. If you read where I installed the 1.5 booster in a mega 4 there...

4 Replies

240 Views

Last post by exxos
Fri Nov 30, 2018 3:52 pm
ASP34-2 - Looking a bit burnt

Last post by Icky « Sun Nov 18, 2018 5:36 pm
Replies: 10
by Icky » Sat Nov 17, 2018 8:50 pm
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Popped open my STE to recap the PSU and got drawn to the large metal film resistor in the centre of the PSU. The resistor and pcb area looks a bit...
10 Replies

571 Views

Last post by Icky
Sun Nov 18, 2018 5:36 pm
R205 100 ohm resistor in SR98 starting to get hot and smell

Last post by Forgottenmyname « Fri Nov 16, 2018 12:50 pm
Replies: 31
by Icky » Tue Nov 06, 2018 12:25 am
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Tonight I turned on my STF Remake and the SR98 PSU resistor R205 100 Ohm 3W started to get hot and smell.

Fortunately nothing went bang and checked...
31 Replies

1146 Views

Last post by Forgottenmyname
Fri Nov 16, 2018 12:50 pm
What on earth is this?

Last post by czietz « Thu Nov 15, 2018 6:29 pm
Replies: 7
by mikro » Thu Nov 15, 2018 1:44 pm

So I recapped the TT PSU, was waiting only for PC111 opto to make the job complete. Arrived today, so hooray to desolder the old one... I swear to...

7 Replies

323 Views

Last post by czietz
Thu Nov 15, 2018 6:29 pm
Replacement PSU for STf/STe

Last post by tzok « Thu Nov 08, 2018 7:55 pm
Replies: 1
by tzok » Wed Sep 12, 2018 10:03 pm

I've managed to fit a MeanWell RT-65B PSU into the STf case in place of original PSU. It works fine on my noisy STf, even better (less noise) than my...

1 Replies

294 Views

Last post by tzok
Thu Nov 08, 2018 7:55 pm
2018 red edition exxos PSU specs

Last post by exxos « Fri Oct 05, 2018 5:08 pm

by exxos » Fri Oct 05, 2018 5:08 pm

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The latest PSU from exxos. The red edition . Featuring highly efficient high power modern switch mode chips from one of the leading...

0 Replies

498 Views

Last post by exxos
Fri Oct 05, 2018 5:08 pm
Discharging capacitors, PSU-testing with dummy loads

Last post by stween « Wed Oct 03, 2018 10:43 pm
Replies: 33
by Pacman » Tue Aug 29, 2017 12:05 pm
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I have two questions concerning before and after recapping an Atari PSU:

1) what is the safe and proper way to discharge a (high voltage) capacitor...
33 Replies

4525 Views

Last post by stween
Wed Oct 03, 2018 10:43 pm
Good Quality Pico PSU

Last post by exxos « Sun Sep 30, 2018 5:26 pm
Replies: 3
by GiancarloCP » Sat Sep 29, 2018 2:53 am

Hello,
I am a normal computer user, after looking reviews to Good Quality Pico PSU I found a one technical review here:

Just for curiosity, I would...

3 Replies

346 Views

Last post by exxos
Sun Sep 30, 2018 5:26 pm
SR98 trimmer pot

Last post by sandord « Fri Sep 28, 2018 5:39 pm
Replies: 2
by sandord » Sat Sep 22, 2018 10:05 am

I've recapped my friend's SR98.

Now, the instructions say:

The trimmer pot may need to be adjusted back to 5.00volts on the 5V rail.

Since I...

2 Replies

285 Views

Last post by sandord
Fri Sep 28, 2018 5:39 pm
Mega ST2 psu failure

Last post by atari030 « Tue Sep 25, 2018 12:12 pm
Replies: 8
by Erikswe » Sun Sep 23, 2018 12:35 pm

I got myself a Mega St2 and it doesn't power up at all, nothing at all happens. I thought I would start with the PSU. It has a Mitsumi sr188 Psu....

8 Replies

615 Views

Last post by atari030
Tue Sep 25, 2018 12:12 pm
ASP34-2 REV1 recapping how-to

Last post by exxos « Mon Sep 24, 2018 10:54 am
Replies: 3
by sandord » Mon Aug 13, 2018 10:27 pm

I recapped my ASP34-2 REV 1 PSU the other day, replacing 7 capacitors and the rectifier.

I thought I'd do a quick report to share my experience with...

3 Replies

378 Views

Last post by exxos
Mon Sep 24, 2018 10:54 am
Recapping Falcon PSU - My rectifier is different

Last post by derkom « Wed Sep 19, 2018 5:24 pm
Replies: 8
by derkom » Wed Sep 19, 2018 10:39 am

I'm in the process of recapping a Falcon PSU with exxos' kit (hoping to tame a ~300 mV ripple on the +12V rail) and after replacing all the caps,...

8 Replies

474 Views

Last post by derkom
Wed Sep 19, 2018 5:24 pm
PSU failure images

Last post by tzok « Wed Sep 12, 2018 10:09 pm
Replies: 2
by exxos » Wed Nov 22, 2017 8:28 am

Submit your Atari PSU blow up images here :)

cap-blow.jpg
Image by John Leonard.

2 Replies

747 Views

Last post by tzok
Wed Sep 12, 2018 10:09 pm
Video problem on STE

Last post by exxos « Fri Sep 07, 2018 1:48 pm
Replies: 7
by Strider » Mon Mar 12, 2018 9:32 pm

Hello,

Yesterday I've recapped the PSUs of my 2 STEs.
I attached a photo, the PSUs have been controlled before starting the STEs.

However I have...

7 Replies

1131 Views

Last post by exxos
Fri Sep 07, 2018 1:48 pm
STFM STE PSU recommended capacitors

Last post by exxos « Thu Aug 30, 2018 3:14 pm
Replies: 1
by zack4mac » Thu Aug 30, 2018 2:28 pm

Hello all I am new to Exxos forum and electronics but I have a couple of questions.

I really need some advice, my DVE DSP-508A psu and have read the...

1 Replies

245 Views

Last post by exxos
Thu Aug 30, 2018 3:14 pm
Dead Exxos PSU out of the blue

Last post by exxos « Tue Aug 14, 2018 10:08 pm
Replies: 31
by mikro » Wed Jun 13, 2018 8:57 pm
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Hi guys,

I hope this is the right place to post. I purchased one 230V PSU from Chris on 30/08/2016 but instead of celebrating our two-year...
31 Replies

3163 Views

Last post by exxos
Tue Aug 14, 2018 10:08 pm

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PSU (power supplies)

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