Nikon MD-2 wiring diagram

[Alpsman]

I'm looking for a electric wiring diagram / plan for the Nikon MD-2 motordrive.
Mine has got the "copperworm", when I mount the battery pack MB-1 the motor starts to run, when I press the shutterbutton the motor stops - when I release the shutterbutton the motor starts to run . . . .
I changed the batterypack and the top of the grip with the shutterbutton but it does not change a thing so the error must be in the motordrive itself.

Anybody got an idea what went wrong?
Greetings: Dieter

 

[Qendrim]

Hi, have you checked on the condition of your gears? When my coupling gear broke, as soon as the contacts touched with the MB-1 it ran non stop.

 

[Alpsman]

Hi Qendrim! Thanks for your reply.
Meanwhile I've locatet the Problem. The pushpin which actuated the shutterrelease in the groundplate of the camera is pressed in to deep so there is a malfunction.
I'll try to disassemble the motordrive and look if I can repair it.