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I know this thread has grown a long beard since it started 9 years ago, but here in the brave new year of 2022 I have almost the same problem. EXCEPT, as BOSS 5 put it, I have the "dreaded 70007...

My B'port BOSS 6 Series II is dead. Last year the entire power supply died, but with help from some knowledgeable people, I was able to work out a way to substitute off-the-shelf power supplies for...

Thanks for the reply, but, I was, and still am looking for an LSI board for a BOSS 5 or BOSS 6 That is the only board in the machine that shorter than the rest, and hjas all the control circuitry on...

Oh, and I forgot to say, there are fuses in both cabinets that could be a problem at some time or other. Check them all in both cabinets. If you don't have a manual for the machine, get in touch with...

I hope that is an isolated occurrence, but my 40 years experience with one tells me it won't be. Check the dead fuse you took out, if you still have it. Does it look as though there are droplets of...

Just curious - do you still have any of the items and are you intereasted in giving them away or selling them?
Thanks

Taking a long shot, are you by any chance using the original encoders from the R2E3.We had a BOSS 9 R2E3 (or E4 - not sure which), not all that different from the BOSS 8, with Powertron Servo motors...

I have not been on this forum in quite a while and just re-registered. I have a 1980's Bridgeport BOSS 6 Series II cnc knee mill. The vari-speed pulley on the motor wore so badly I had to replace it....