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Questions about: Converting Original Arcade to Mame
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Flip_Willie:
Hello,

    Foremost, I would like to say that I am fairly new to arcades so please correct me if I say anything stupid. (And please bear with me)

~My Introduction

    I recently purchased a used, but working Tekken 2 (Picture Below).  Since the beginning I have wanted to "Mame" it, but I wanted to utilize as much of the original machine as possible.  From what I read, it seems that the best way to do that is by buying a J-Pac and an Arcade VGA from ultimarc.com.  If I am not mistaken, the J-Pac will translate all the controls from my Jamma Harness (I will have to re-wire all the kick harness keys, not very hard), and the Arcade VGA should successfully take care of the monitor.  I have already decided that, in order to avoid complication, I will just use some pc speakers to take care of the sound.  I have a diagram below of how I plan to hook it all up.

~My Question.

    My question is about power issues (Diagram Shown Below).  If I am using a pc and the original monitor, can I successfully use the original arcade power supply to power the monitor & marquee and a second pc power supply for my computer?  At the moment, just plugging the arcade into the wall turns it on (it has a switch but it is held down by the back panel).  What I am planning to do is plug both the arcade power supply and my pc power supply into a strip cord and from there activate the machine by
     
      (1). Flipping the strip cords switch and/or plugging the strip cord into the wall.
      (2). Boot up my machine.

     If all worked, if that is possible, flipping on the power should safely turn on the monitor (no image at this point, obviously) and the marquee.  Then, I could power my pc.   

    I apologize I am incoherent in anyway.  I hope that my pictures will add clarification.

Any and all help/advice is appreciated.

Just as it is,
Flip_Willie


 
RayB:
I've only made a casual glance, but the bottom line is you NEED to keep the isolation transformer to power the monitor. But I would caution against keeping the original power supply "on" at the same time as the PC is on. You should only power one or the other.

Oh and the monitor power does NOT come off the power supply. You may want to recheck the wiring and you should see that the AC in splits off and goes to the power supply, and a second set of wires would go to the isolation transformer, from which the monitor gets power.

Edit: I've struck out the above because his cabinet does not appear to be a standard JAMMA set up. Even Bob Roberts' diagram doesn't really apply here...
Flip_Willie:
Ok,

~Question

      If I should not use the Arcade Power supply and a Pc power supply in conjunction, then how do I power my monitor, marquee, and pc at the same time? Do I need a special power supply that can power both my monitor and my Pc?

~To RayB

     Thanks you very much for your help, but I have a question about your statement concerning the AC in.  As far as I can tell, I plug the power supply into the wall and that plugs straight into my power supply.  I am sure you are correct, but what am I missing??
(Picture of my Power Supply below.)


~Extra Information

    First, this is the isolation Transformer, correct? (1st Picture below.  The thing underneath the monitor) If that is the isolation transformer, I wasn't planning on removing it. (I know, I didn't show the wire going from my amp to the transformer then to the monitor on my diagram, sorry.  My bad.)   :
krick:
Not sure about your specific setup but typically, the monitor and marquee are powered directly from your 120V AC.  The cabinet power supply provides DC voltages for the JAMMA board.  If you don't have a JAMMA board, you don't need the cabinet power supply.  In fact, leaving the cabinet power supply connected without having a JAMMA board connected to it (no load) creates a fire hazard.

Here's an AC wiring diagram courtesy of Bob Roberts...



... notice that the "switching power supply" on the left?  That can be completely removed and the monitor and marquee will still work.

Flip_Willie:
Thanks for posting Krick.

   Yea, I don't believe mine looks like that at all.  I have some pictures below, and a new diagram I drew up.

     Any suggestions??

Thanks.
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