Jump to content

Run capacitor for the Arri BL3?


Max May

Recommended Posts

Hi everyone, 

I’m currently near the end of an arduous Arri BL3 repair. I found and installed replacement belts—finally—only to discover that the camera has an electrical gremlin. The camera ticks over for about one frame before winding down and stopping. The camera is running off of a wall powered, 12V 10A power supply, so it’s got plenty of juice. 

From what I understand, most DC motors function off of a “start” and “run” capacitor. This would lead me to believe that the camera is in need of a “run” capacitor to take it beyond an initial jolt of movement. Is this a misdiagnosis? Or if I’m correct has anyone dealt with this problem before and can point to the location of the electrical component in need of replacement? 

Thanks so much, I’ll follow up with a short clip of the issue. 

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...