Re: [CAD_CAM_EDM_DRO] My broken Briddgeport

Raymond Heckert wrote:

> Bill,
>
> Assuming you've eliminated all failures like blown fuses, stuck limit
> switches, etc, the most likely cause of the axis drive failure will be
> blown transistors or diodes on either the SMD board, or on the Heatsink
> panel. My Series I CNC had the same problem. Their Spec calls for
> 2N6251's for Q1, Q2, Q3, Q4, each SMD board, and 2N3055 for (Q5-Q13) in the
> Heatsink panel. I got my parts from Allied Electronics. They were fast, and
> very reasonably priced. Hit me off-line, if these part #'s show up on your
> machine.

I don't think this applies, as his machine is servo equipped. One servo
amp was checked at the factory and sent back with no problem found.

Jon