Craftsman garage door opener schematic

[Jean-Marc Delaplace]

Does someone have the schematic of the Craftsman Garage Door Opener
model 139.5399011 (3/4 HP)?
I am interested in the way the force is controlled.
Thanks in advance.
Jean-Marc

 

[carlosm3011]

Maybe you can find this useful:

http://www.aaaremotes.com/gadooprepaan.html

regards

Carlos