Re: PC power supply conversion question

Mark,
    Keep me in the loop on that one. I still have a G08 that needs a tube but im
too scared to start hacking up a WG just yet. Some reassurance from your experience
might push me into trying it

-=Mark=-

Mark Jenison wrote:

> On Apr 16, 9:41am, Clay Cowgill wrote:
> > Subject: RE: PC power supply conversion question
> >
> > > Joust: caused "Factory settings restored" all the time. This still
> > > happens
> > > with my Joust boardset in my JAMMA cabinet. Repairing the original
> > > Williams PS
> > > is the way to go.
> > > Defender: causes "bad ram" errors on first power up (powering down and
> > > up
> > > againg fixes it), and sometimes starts up in test mode! Anyone have a
> > > Defender
> > > PS board FS?
> > >
> > I'll have to *really* disagree with Mark on this one.
>
> Yeah, but we all know you're not a purist, Mr. Multigames ;-)
>
> > I run all my
> > Williams boardsets from old PC switchers with *no* problems. (That's
> > what I used on your Mystic Marathon, Mark.)
>
> And I do, also, but I've never had these "start up problems" when using the
> original supply. If I could just figure out how to solve these problems I'd
> happily agree with you that PC switchers are better (in most cases). It's just
> that no one has been able to give me some ideas on how to rectify these
> problems (sounds like Kev has had similar problems to mine, so it's not just
> that I'm insane...although that may be part of it :-)).
>
> > If anything the switcher is
> > far less likely to cause the demise of your 4116's DRAMs in those
> > boardsets...
>
> Obviously we are products of our environment. You've found linear to damage
> your boards, where as I've never had that problem. And I've found switchers to
> cause start up problems, where you've never had that problem.
>
> > I'm going to try similar surgery on my Star Trek sitdown-- I'll post if
> > anything "bad" happens.
>
> And knowing you, you'll take time to put in a nice audio amplifier as well ;-)
>
> Speaking of surgeries and Sega XY's; I attempted swapping a WG4600 tube onto a
> G08, but I think there are some problems with the monitor chassis that I need
> to fix first. If the procedure is successful, I will document it and add it to
> one of the FAQ on my web page.
>
> Have a nice weekend all! I'm hoping to pick up something at the Iowa auction
> this weekend!
>
> ----------------------------------------------------------------------
> Mark Jenison E-mail address: jenison@cig.mot.com
> Cellular Infrastructure Group Motorola--Arlington Heights, IL
> ----------------------------------------------------------------------
Received on Sun Apr 18 22:05:39 1999