(Topic ID: 2092)

black rose canon problem HELP

By keltech

9 years ago

Topic Stats

  • 5 posts
  • 4 Pinsiders participating
  • Latest reply 9 years ago by keltech
  • No one calls this topic a favorite


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#1 9 years ago

got my second pinball today,my first solid state machine actually.
was working fine today but then the canon stopped moving side to side when the ball was lock in it ready to fire. but gutted and with little knowledge I haven't a clue how to fix this or where to start looking.
i checked for loose wires with around the motor. any ideas
the canon fire ok just doesn't move back and fore

any expert got some advise please?

#2 9 years ago

I found this helpful page about adjusting the canon for future reference.

Click on Maintenance

Can you put a voltmeter on the motor wires and check for voltage when it is supposed to move? Is there a diode across the motor wires ?

Hopefully somebody familiar with the particular machine will chime in to help.

#3 9 years ago

Hi, I would first check the lock nut and set screw on the bottom of the cannon mech. If it has come loose or was not tightened properly the motor will actuate but the cannon will just sit there as the shaft is spinning in the mount.

If your motor is not working check to make sure it is not siezed or smells like it has burned. Then check the fuse in the back cabinet or possibly under the playfield that runs inline with the motor. Check your wires for breaks. Also make sure the proper rated fuse was installed by the previous owner. If none of these problem exist I would then suspect a possible faulty diode or transistor for the motor circuit or possibly a broken loose wire. If you do not have a manual check the internet pinball database, a PDF of it is there.

If you are really stuck or can't figure out the scematics send me a message and I will look over the wiring diagram and let you know what transistor # runs the motor and the plug locations/wire colours so you can test it. You are going to have to get a multimeter if you don't already own one.

Good luck hopefully its a simple fix.

#4 9 years ago

Follow the wires out of the motor, they should come to a 2 pin power style molex connector. Check continuity across the connectors. Also check for voltage on the backside (end closest to power driver, not the motor) of the connector when game is calling for it. I've had 2 of these style connectors go bad on different machines, I usually just replace them with more secure bullet style crimp ons.

#5 9 years ago

thanks guys!! will give this a whirl. i'll report back wth my findings
just watched the TILT documentary, very interesting

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