Re: Vixen DMD-3 hand controller problems

"Bob Midiri" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> My just purchased (used) DMD-3 controller has a problem. When I first
> put on the power source, the led lights up very brightly and I hear
> the motors. As soon as I attempt to slew at 16X on the RA, the thing
> either loses all power or the LED is lit very dimly with no power
> reaching the motors. After I remove the power source for a while, it
> repeats all over. Now after it stalls or goes out all together if I
> pull the power source and then put the power source back on the DMD-3
> is still acting like no power. Only after an extended period (after I
> disconnect the power source) of time will the power come back on, and
> the whole procedure repeats. Any ideas? Thanks Bob Midiri
Is your power source adequate to deliver the current needed during slew?. It
sounds as if it is drooping massively, and possibly shutting down with a
thermal protection circuit, when asked to drive the scope fast. The peak
current is a lot more than it may seem.

Best Wishes