Re: Asteroids Deluxe with WG19V2000 problems

This has got to be fixable... doesn't it? Besides, if I turn the
brightness up to see the expected vectors, I get retrace vectors as well.
That's not going to fly :). Thanks, though.
----- Original Message -----
From: Mark Jenison <jenison@cig.mot.com>
To: <vectorlist@lists.cc.utexas.edu>
Sent: Thursday, December 09, 1999 4:43 PM
Subject: Re: Asteroids Deluxe with WG19V2000 problems

> Hi,
>
> I've had two B&W vector monitors with the same problem over the years, and
> asked about how to fix this very same problem. After finding nothing
which
> helped, I just chalked it up to "the monitor is getting old", and lived
with
> the dot in the middle of the screen. Fortunately for me, there was a hole
> burned in the phospher at the center of the tube, so I positioned it such
that
> the dot landed right in that hole, and viola! No more dot! :-)
>
> Mark Jenison
> Always looking for the simple man's answer
>
> On Dec 9, 12:16pm, Josh Wirth wrote:
> > Subject: Re: Asteroids Deluxe with WG19V2000 problems
> > If I turn down the brightness to the point where the white dot is gone,
I
> > see only the dot intersections. If I turn it up to the point where the
> > expected lines are visible, I see the retrace lines, also. I am
thinking
> > that maybe the HV cage and the tube are fine (I swapped out another
tube.)
> > I am going to borrow an oscilloscope and check the signal coming off. I
am
> > assuming the the best place to check this is on the Z OUT tab. My
schematic
> > shows pin M on the edge connector as Z OUT but I have placed it on K(?).
I
> > shorted pins 9&10 on the 12 pin connector at one time and blew the two
3.3
> > ohm resistors there (I am not looking at the board.) Could this have
hosed
> > something else down the line?
>
Received on Thu Dec 9 16:18:20 1999