Xpantastic!

On Mon, Aug 4, 2008 at 6:10 PM, William Cason <randycason102@...> wrote:
> Well...
>
> First, I'm an electrical engineer but not a tech, but I'll do my best.
> so, that's the worst case I suppose, need new displays.  If you have any
> friends with oscilloscopes, it would be good to check the signals on the
> grid 4 and grid 25 pins of that display when it's running; are there 55V
> pulses?

If you go into test mode, you can turn each segment on /off one at a
time and go back and forth from digit to digit.
Depending on which pins are easily accessible with a scope, you should
be able to easily find out if the driver IC(s) or the displays are
faulty.