Re: RE: WG 6100 Deflection Board Problem

That's what I thought...

As the problem appears to be on his deflection board and not limited to one
monitor, then I would suspect either cracked solder traces at the
connection pins, or possibly shorted diode on the base of the negative
pre-driver transistor.

John :-#)#

At 08:57 AM 29/08/2001, you wrote:

>Yes, in this case you need to think in terms of the *monitor* definition
>of X and Y axis, not in terms of Tempest. Thats why in the case of
>Gravitar the problem flips to the bottom half, going by the monitor that
>is really the same quadrant as the Tempest problem. As Jeff stated, Y axis.
>
>-James Hagen
>
> >
> > From: "Jeff Hendrix" <jhendrix@cellport.com>
> > Date: 2001/08/29 Wed AM 10:25:26 CDT
> > To: <vectorlist@synthcom.com>
> > Subject: RE: VECTOR: WG 6100 Deflection Board Problem
> >
> > Your problem is with the Y axis.
> >
> > -----Original Message-----
> > From: jerry madsen [mailto:jetskimod@yahoo.com]
> > Sent: Wednesday, August 29, 2001 9:01 AM
> > To: vectorlist@synthcom.com
> > Subject: Re: VECTOR: WG 6100 Deflection Board Problem
> >
> > The problem is along the long axis of the monitor on
> > one half of the monitor.I put the deflection boars in
> > a gravitar and the squiggly images are on the bottom
> > half of the screen if you were looking straight at
> > it.Which would be the long axis of the monitor.This is
> > the case with every other vector game.If I put it in a
> > tempest the problem is on the right side which would
> > be the bottom on most other vector games accept for
> > quantum and tempest.So would this be the X-Axis I am
> > dealing with?
> > Jerry.
> >
> >
> >
> > --- solarfox@texas.net wrote:
> > > On Tue, 28 Aug 2001 21:54:44 -0700, you wrote:
> > Er... actually, as far as the monitor electronics
> > > are concerned, X is
> > > always across the long axis (the horizontal axis on
> > > a normal, i.e.
> > > "landscape-oriented" monitor), while Y is always
> > > across the short axis.
> > > This is why you can put the same WG6100 in a TEMPEST
> > > or a SPACE DUEL and
> > > still have it work. Vertically-oriented games like
> > > TEMPEST are either
> > > programmed to draw sideways, or they have the X/Y
> > > signals swapped on the
> > > connector going up to the monitor. (I forget which
> > > - I know raster games
> > > "draw sideways", but swapping X/Y on a vector would
> > > seem easier...)
> > >
> > > So, if the right half of his TEMPEST is scrambled,
> > > he needs to be
> > > checking his Y deflection circuits, not his X. :)
> > >
> > >
> > ------------------------------------------------------------------------
> > -----
> > > "There is no virtue in suffering fools gladly, for
> > > it only encourages them to
> > > persist in their foolishness."
> > > --Kehlog Albran
> > >
> > ------------------------------------------------------------------------
> > -----
> > > solarfox@DON'TMESSWITHtexas.net
> > > (Gary Akins jr.)
> > > http://lonestar.texas.net/~solarfox
> > >
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Received on Wed Aug 29 10:17:32 2001