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Powering a coin mech

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seibu:
Hi,

I've just got a Mars 115TS coin mech. I'm told it needs 12v 1A supply.  I may be being very dumb, but I have no idea if this should be AC or DC. I am assuming AC, but is this correct?

Furthermore, seeing as I'm not planning to put a full size arcade power supply in this cab (it would be powering the coin mech and nothing else), I'm wondering whether it would be possible to power the mech from a PC power supply? It can give me +12v and GND, but am I right in assuming the amperage (15A) would be too high? Would there be any way to remedy this?

Or could I power the mech using a stand-alone AC adaptor from Radio Shack or somewhere?

Thanks for any help. I'm know these are newbie questions!

Trimoor:
its probably DC, but check the power leads to see if they are polarized and where they go.

I have no idea whats in an electric mech, but 1 amp seems too much.
If the power goes directly to an LED or microchip, it is DC.
If there are motors/coils in it, it could be either.

The PSU should be able to drive it fine.  just make sure you don't overload it with drives and other things.

seibu:
Great! Thanks loads for your help.

I've done a bit more research and it appears that Arcade power supplies output DC 12v, so it would be a bit strange if the coin mech required AC 12v.

So, the only thing I'm concerned about is that the mech says it requires 1A, but the 12v line from the PC power supply says 15A. Is this a maximum, then? So, 15A means it can power anything which requires *up to* 15A?

benwillcox:

--- Quote from: seibu on August 19, 2004, 05:31:23 am ---So, the only thing I'm concerned about is that the mech says it requires 1A, but the 12v line from the PC power supply says 15A. Is this a maximum, then? So, 15A means it can power anything which requires *up to* 15A?

--- End quote ---

Yes that is correct. As Trimoor says, 1A seems a bit high, thats probably peak current at switch on and I would imagine that it'll only take a few tens or hundreds of milliamps continuous.

Either way yes the PC supply should cope no problem.

toffee:
what I did was take a power splitter for a PC power supply that you use to add an additional hard drive and cut the connector off. Use the 12v DC (yellow) and ground (black) from here to power your coin slot. works like a charm!

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