How low on the AMP can i go to run a MV2F & a MV1FZ slot on 5v only?

bytestorm · Aug 29, 2005

I'm wondering how low i can go and still get them to run perfect?
In the manual for the MV1FZ it says 7amp on the 5v... as for the 2slot i dont know... for the time being i run them both of an big old ugly PC PSU... with around 20-30 amp on the +5v.. so i cannot test..

Anyone who knows? i read about the Jameco psu that so many of you are using...

- the SC200 will power 1-slots, 2-slots, and some 4-slots

but it comes with a differenr plug than we use here in sweden... and i dont think i can swich plug to a swe... cuz we have 220v...

So.. what is the minumum AMP for a MV1FZ and a MV2F to get them to run on the 5v only.. taking stereo from the headphones on the 2 slot.. and stereo modding the MV1FZ to take the stereo off pcb..

any thoughts? cuz its really hard to find small adapters with over 1,5 amp.. here in sweden..=/

Amano Jacu · Aug 29, 2005

First of all, the sc200 accepts 220V no problem, I have one and use it here in Spain. Second, as was said some days ago the MV1FZ will run with much less than 7A in the 5V line, actually a sc200 works just fine with it. Finally, my 2-slot works OK with 5V only (with the headphone sound mod) using a 4A psu.

bytestorm · Aug 29, 2005

Amano Jacu said:
First of all, the sc200 accepts 220V no problem, I have one and use it here in Spain. Second, as was said some days ago the MV1FZ will run with much less than 7A in the 5V line, actually a sc200 works just fine with it. Finally, my 2-slot works OK with 5V only (with the headphone sound mod) using a 4A psu.

oh...=/ then i should have bought one of the groupdeal.. but it got a little bit to expensive with tha shipping and extra power cord and such... feels to expensive to put on a psu...but i maybe its worth it..

bytestorm · Aug 29, 2005

if i buy a adapter with to low AMP.. can it damage my mvs motherboard?

Amano Jacu · Aug 29, 2005

Well, if you use a psu with less amps than what the MVS draws most likely you'll fry the psu, but the MVS shouldn't be affected. Don't quote me on this and wait for confirmation from a more tech-savy person.

Anyway I didn't need any cord with my sc200, a regular PC power cord works fine with it.

bytestorm · Aug 29, 2005

Amano Jacu said:
Well, if you use a psu with less amps than what the MVS draws most likely you'll fry the psu, but the MVS shouldn't be affected. Don't quote me on this and wait for confirmation from a more tech-savy person.

Anyway I didn't need any cord with my sc200, a regular PC power cord works fine with it.

i mean..think of using one of these:
http://www.expansys.se/product.asp?code=121408

supersmall! =)) and the mvs1a only need 3amp..so it might run on this baby=)

to bad i have a mvs1fz =(

bytestorm · Aug 29, 2005

or should i get a 12v ad adapter instead? i read that the mobo can be powered with only 5v or 12v... =)

norton9478 · Aug 29, 2005

Everything but the 4 and Six slot use very little Juice.

VERY LITTLE.

Especialy when you are not running speakers.

bytestorm · Aug 29, 2005

norton9478 said:
Everything but the 4 and Six slot use very little Juice.

VERY LITTLE.

Especialy when you are not running speakers.

so.. how low do you think i can go? for both the 1 slot FZ and the 2F slot

supergoose · Aug 29, 2005

just go and get a sc200. it won't be much more than any power supply you can get in europe and you'll save on the games anyway.

edit : just ask 300wins or D-Lite. they can get the sc200 locally and are most likely willing to state a lower value on the customs form.

HeavyMachineGoob · Apr 3, 2011

Sorry for the grave digging, but I can't make a new thread at the moment and I have literally the same question that was asked here, but the conclusion wasn't specific enough for me.

Simply put, could somebody tell me if any typical MVS board (like an MV-1FZ or 1A without the sound amp) can be powered with this kind of power supply?

http://cgi.ebay.ca/4-PIN-IDE-2-5-HD...-/190391554511?pt=PCA_UPS&hash=item2c543891cf

The reason I need one with +12v is because my video encoder requires +12v. An unfortunate oversight on my part, but I'll make do with it. If it weren't for the encoder, I could go exclusively with +5v power.

Some help here would greatly be appreciated.

Xian Xi · Apr 3, 2011

For the FZ, 1A and 2F you can run it off 2.5 amps on the +5v line. Since you need +12v it might be easier to just use a +12v@3A power supply and use a 7805 to convert to +5v.

I'd you need an SC200 I have a bunch in stock.

HeavyMachineGoob · Apr 3, 2011

Thanks for the response.

I suppose a +12v AC adapter is also an option, but doesn't the 7805 need a heatsink? Not sure how I'd go about something like that inside a supergun...

Btw, what is an SC200?

Xian Xi · Apr 3, 2011

HeavyMachineGun said:
Thanks for the response. I suppose a +12v AC adapter is also an option, but doesn't the 7805 need a heatsink? Not sure how I'd go about something like that inside a supergun...

Btw, what is an SC200?

It's a dual output PSU.

+5v@4A and +12v@1A.

xiao_haozi · Apr 3, 2011

HeavyMachineGun said:
Thanks for the response. I suppose a +12v AC adapter is also an option, but doesn't the 7805 need a heatsink? Not sure how I'd go about something like that inside a supergun...

Btw, what is an SC200?

You don't need a very big heatsink for a 7805. I've used them in several projects and never needed anything that big to keep things okay.

HeavyMachineGoob · Apr 3, 2011

Xian Xi said:
It's a dual output PSU.

+5v@4A and +12v@1A.

Ooh, sounds very nice indeed. I trust 5-pin DIN plugs are very common? Sounds like this is the solution to my problem. Heck, with that thing I could probably keep the sound amp on this particular MVS board, maybe mod it for stereo sound and just put an attenuator circuit inside the Supergun before it hits the audio jacks.

Kinda off-topic, but I've looked at attenuator circuits and I still don't know how you are suppose to hook one up. I can't tell what is a connection and what is just illustration.

xiao_haozi said:
You don't need a very big heatsink for a 7805. I've used them in several projects and never needed anything that big to keep things okay.

Okay, that sounds not so hairy now.

HeavyMachineGoob · Apr 3, 2011

Xian Xi said:
It's a dual output PSU.

+5v@4A and +12v@1A.

Ooh, sounds very nice indeed. I trust 5-pin DIN plugs are very common? Sounds like this is the solution to my problem. Heck, with that thing I could probably keep the sound amp on this particular MVS board, maybe mod it for stereo sound and just put an attenuator circuit inside the Supergun before it hits the audio jacks.

Kinda off-topic, but I've looked at attenuator circuits and I still don't know how you are suppose to hook one up. I can't tell what is a connection and what is just illustration.

xiao_haozi said:
You don't need a very big heatsink for a 7805. I've used them in several projects and never needed anything that big to keep things okay.

Okay, that sounds not so hairy now.

xEden · Apr 5, 2011

I'm curious. What would be a good heatsink for the 7805?

HeavyMachineGoob · Apr 6, 2011

Quick question on the Ault SC200.

How does it turn on? Is there a switch on the supply or do you connect something to ground to activate it?

xEden · Apr 6, 2011

HeavyMachineGun said:
Quick question on the Ault SC200.

How does it turn on? Is there a switch on the supply or do you connect something to ground to activate it?

Put a switch on the AC line.

Xian Xi · Apr 6, 2011

xEden said:
Put a switch on the AC line.

You can do it either way, if you put a switch on the AC line then you turn off the PSU itself, you can also put a switch on the output as well. But if you do it that way just remember the PSU is always on until you unplug it.

Xian Xi · Apr 6, 2011

HeavyMachineGun said:
Ooh, sounds very nice indeed. I trust 5-pin DIN plugs are very common? Sounds like this is the solution to my problem. Heck, with that thing I could probably keep the sound amp on this particular MVS board, maybe mod it for stereo sound and just put an attenuator circuit inside the Supergun before it hits the audio jacks.

Kinda off-topic, but I've looked at attenuator circuits and I still don't know how you are suppose to hook one up. I can't tell what is a connection and what is just illustration.

Okay, that sounds not so hairy now.

In the tutorial that it is from it mentions that it is the underside of a DPST switch. So those 6 spots are the 6 posts on the underside of the switch. The bottom 2 legs are joined by a 10k ohm resistor (1/4 watt) and joined with a 1k ohm resistor tied to ground.

How low on the AMP can i go to run a MV2F & a MV1FZ slot on 5v only?

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