Re: Millipede monitor weirdness

>Mark E Davidson wrote:
>
> Its not stuck in test mode is it?

No neither board or game is stuck in test.

>Teaganm wrote:
> The white and red plugs are set up for different sync. If I remember
> right, white is neg, red is pos. The prints should show this. I don't
> know why they would work differently between the 2 machines, possibly
> someone did some creative wiring in the past.
> To clarify your post, the transformer is the problem?
>
> Steve

Neither transformer is bad. I tried both on both games and both seemed
fine.

I figured the plugs were for different sync's, but I would have thought
the same monitor would work on the same plug in both. As I said...
weird. If anyone has any other thoughts, please let me know. I'm going
to try posting to RGVAC too.

Joe

>
> --- Joe Magiera <joemagiera@ameritech.net> wrote:
> > Working on two crummy Millipedes, trying to switch parts to make one
> > somewhat decent one. One machine has a monitor (A), one doesn't (B). I
> > test both boards in both machines. Both work fine on A and play blind
> > on B. Try both audio reg boards on both and same results. Try even
> > both transformers on both machines. All fine so far.
> >
> > I notice that both harnesses have two plugs where the video signal would
> > plug into the monitor; a white plug, hand labeled "A" and a red plug,
> > hand labeled "B". The A machine used the white plug and worked fine.
> > So I plug the monitor from A into B on the white plug and garbage on the
> > screen. Dang! Just for fun, I plug the red connector in on B and it
> > works fine. So I try the monitor again in A on the red plug and garbage
> > on the screen.
> >
> > The owners manual doesn't mention anything special. I looked at the
> > schematics, but I admit, I didn't do too well here. What is the
> > difference in plugs? Why would the same monitor only work on the white
> > plug in one machine, and only work on the red plug in the other?
> >
> > Can anyone explain this one? Thanks,
> >
> > Joe
> > joemagiera "atsign" ameritech.net
> >
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Received on Tue Feb 19 09:48:34 2002