8mm Forum: Sanko 800 motor problem

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Topic: Sanko 800 motor problem

Alan Rik
Film God

Posts: 2211
From: New York City, NY, USA
Registered: Jun 2003

posted August 27, 2017 02:17 PM

Hi everyone-
I have a Sankyo where the motor runs about 30 seconds then stops. Once it's stopped it won't start up again unless I - unplug the machine and plug it back in. And I have to wait about a minute. Or I can unplug the unit, remove a fuse, then press play and it will run for its 30 second run again. And I also have to put it back to the off position and then back into play. Same thing with rewind. It will rewind for a longer amount of time but then if I put it in stop then play again or rewind nothing happens till the plug,unplug, waiting happens again.
I have read the previous topic which Janice has been working on and I replaced the capacitor and the resistor. I purchased the transistor but didn't install it yet.
But I was thinking it might be the micro switches. I have the machine semi apart but how do I get to the micro switches? I have the transformer pushed to one side but it's really tight in there. Any ideas?

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

posted August 27, 2017 02:39 PM

It is a well-known fact that the micro switches on Sankyo projectors are a source of trouble.

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Maurice

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted August 27, 2017 03:50 PM

It may very well be the micro switches Alan, but I would replace the transistor first. Then move on to the micro switches if that doesn't solve your problem.

--------------------
Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Alan Rik
Film God

Posts: 2211
From: New York City, NY, USA
Registered: Jun 2003

posted August 27, 2017 05:52 PM

Ok. I may as well since It is my patient sitting on my table..innards all exposed. Were you able to get to the micro switches on the 800?

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