Cave pcb need 5+ adjustment? or?

PCB problems and fixes
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joeks
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Re: Cave pcb need 5+ adjustment? or?

Post by joeks »

To get back on topic and maybe help others having the same problem, i have Mushihimesama (SH3 hardware) perfectly running on a NVS-4000 psu for a while now :)
Like others stated before, i needed a more powerfull psu. The standard grey one (7A output) in my Astro City couldn't run it. A red LED flickering on the pcb and just a black screen.

Everything hooked up correct right now, just need to buy some amp-plugs from Starcab to wire it neatly.

Thanks everyone! This concludes my question and why i started this thread.
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almighty
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Re: Cave pcb need 5+ adjustment? or?

Post by almighty »

joeks wrote:To get back on topic and maybe help others having the same problem, i have Mushihimesama (SH3 hardware) perfectly running on a NVS-4000 psu for a while now :)
Like others stated before, i needed a more powerfull psu. The standard grey one (7A output) in my Astro City couldn't run it. A red LED flickering on the pcb and just a black screen.

Everything hooked up correct right now, just need to buy some amp-plugs from Starcab to wire it neatly.

Thanks everyone! This concludes my question and why i started this thread.
Great to hear Joeks :awe:
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TwonK
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Re: Cave pcb need 5+ adjustment? or?

Post by TwonK »

Well, every grey PSU that has the +5 7A doesnt work with SH3, and the black ones do. (+5 7A)

I juat wish I knew why.
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setsuan
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Re: Cave pcb need 5+ adjustment? or?

Post by setsuan »

Maybe the 12V capacities ?

Tou can see my article with all the PSU I know there -> http://www.setsuan.com/alimentation-ele ... stro-city/
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TwonK
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Re: Cave pcb need 5+ adjustment? or?

Post by TwonK »

setsuan wrote:Maybe the 12V capacities ?

Tou can see my article with all the PSU I know there -> http://www.setsuan.com/alimentation-ele ... stro-city/
I don't understand what you are saying.

The black and grey PSU's have the same exact ratings, but one powers cave sh3 and the other does not.

Did you mean 12A?

Because I'm talking about the black PSU with the 7A rating.
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yetterben
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Re: Cave pcb need 5+ adjustment? or?

Post by yetterben »

Not all psu are built equal regardless of specs. Sometimes specs are over rated some times under rated. Just depends on how much the rail can actually handle in a boot situation. Caps have a lot to due with it too.
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Rossyra
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Re: Cave pcb need 5+ adjustment? or?

Post by Rossyra »

yetterben wrote:Not all psu are built equal regardless of specs. Sometimes specs are over rated some times under rated. Just depends on how much the rail can actually handle in a boot situation. Caps have a lot to due with it too.
:lol: Is there an echo in here? I just said pretty much the same thing about 10 posts ago :awe:
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yetterben
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Re: Cave pcb need 5+ adjustment? or?

Post by yetterben »

:lol: Is there an echo in here? I just said pretty much the same thing about 1 posts ago :awe:
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Rossyra
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Re: Cave pcb need 5+ adjustment? or?

Post by Rossyra »

haha...ha...
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P-man
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Re: Cave pcb need 5+ adjustment? or?

Post by P-man »

I have just fixed an Astro City PSU for someone in another thread who had problems with bubble Bobble and GNet...

The psu i worked on was Part number 400-5198-01

These psu's are rather basic, and very compact. Although the PSU looked really clean, all of the caps inside showed signs of excessive heat, and while i didn't sit and analyse them, they looked physically bad enough to want to replace them as a matter of course.

The other big problem with this psu is stated on its label, its -5v is only rated at 0.1A... I think this is feeble, and this explained nicely the problems with bubble bobble (whose RGB customs *and* sound circuits use -5v).

I upgraded the -5v regulator to 1.5amp, more than enough for any old pcb (most old PSU's and therefore most old game pcbs only have -5v at 1amp anyhow) as well as replaced all of the capacitors..

And magically all the problems went away.

So, if you don't want to hack the wiring in your cabinet and fancy your chances at having the original PSU rebuilt then let me know as i can either sell you a kit to fit yourself, or i can fit the kit for you and test/return.

If you have other models of astrocity psu (the grey one?) i can take a look, and i bet they aren't far off the 400-5198-01 in build quality and design.
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Re: Cave pcb need 5+ adjustment? or?

Post by hollywdbri »

setsuan wrote:Here it is -> http://www.setsuan.com/remplacer-lalime" ... -paliatif/
Does anyone have these instructions? The site is no longer available. Please PM or reply to this thread, thanks!
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Re: Cave pcb need 5+ adjustment? or?

Post by Korszca »

Don't buy an ATX PSU. Get a real arcade PSU. It won't cost you any more than an ATX.
Also, try not to resurrect threads from 3 years ago.
hollywdbri wrote:Please PM or reply to this thread, thanks!
How else would we get the information to you? :wtf: