Arthur Sanchez Posted June 28, 2018 Share Posted June 28, 2018 Hello Again My Bolex Gurus!!! OK... Have a Bolex EBM - it Runs but only one speed - and pretty fast ,,, not one of the slower speeds...What could be causing this??? How many fuses are on-board/inside the camera? beside the one in the base.It seems I recall seeing a fuse tucked under a circuit board in side the camera. Well would love to hear from someone... Arthur! Quote Link to comment Share on other sites More sharing options...
Sustaining Member Tyler Purcell Posted June 29, 2018 Sustaining Member Share Posted June 29, 2018 Does the speed switch fall into place when you put it to the different speeds? Quote Link to comment Share on other sites More sharing options...
Arthur Sanchez Posted June 29, 2018 Author Share Posted June 29, 2018 Does the speed switch fall into place when you put it to the different speeds? Yes.. it clicks into position just like normal.... Quote Link to comment Share on other sites More sharing options...
Sustaining Member Tyler Purcell Posted June 29, 2018 Sustaining Member Share Posted June 29, 2018 Hmm, that's really odd isn't it. Not a fuse issue at all. I have seen Bolex's go wild when the improper power is supplied. They don't like anything over 13v or under 11v. So if your power ain't in that rage, it can cause the electronics to do funky things. That would be the most obvious first step, to check the power with a multimeter and go from there. Quote Link to comment Share on other sites More sharing options...
Arthur Sanchez Posted June 29, 2018 Author Share Posted June 29, 2018 Thanks Tyler... Yep tried all that... this is the way it cam to me... I've been using my trusty 12V power pak that I know is 12VDC to test it.BUT!... isn't there another fuse inside??? not the one in the base... It seems to have blown something . . . Quote Link to comment Share on other sites More sharing options...
Arthur Sanchez Posted June 30, 2018 Author Share Posted June 30, 2018 OK... took a dive inside and found no other fuse. So a simple fix would be: just swap out ALL entire internal wiring - boards and all. Quote Link to comment Share on other sites More sharing options...
Sustaining Member Tyler Purcell Posted June 30, 2018 Sustaining Member Share Posted June 30, 2018 Dang... hmm, honestly I don't know much specifically about the EBM in that department to help further. I'd think it would be something straight forward like bad capacitors or even a loose/broken wire. Quote Link to comment Share on other sites More sharing options...
Arthur Sanchez Posted July 2, 2018 Author Share Posted July 2, 2018 Tyler Thank you so much...I found an UGLY EBM that runs great ...so my solution is to swap out the entire electrical short of the motor and see what happens. some how i doubt the motor lost it's mind. BUT we'll see Again Thanks Tyler! Quote Link to comment Share on other sites More sharing options...
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