(Topic ID: 14566)

Newbie help with pop ups !

By 1452spunky

8 years ago

Topic Stats

  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 7 years ago by terryb
  • Topic is favorited by 1 Pinsider


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#1 8 years ago

Ok, first I noticed one of the pop up bumpers was not working. Upon inspection, I noticed it was stuck down and could not even move it up by hand. This machine is a SS 1982 Gottlieb Devils Dare.

I ordered 3 new coils, making sure to order the proper part #. I was also told to replace the 3 old pop up bumper boards with the newest boards. All this was cheap enough, so it made sense.

I replaced all 3 coils, making sure to do one at a time and making sure everything went back they way it was. I noticed there were no diodes on the new coils, so I made sure to solder those on as well. Now, I didn't know or understand what the diodes were for, but after some reading, I do now.
I also didn't know it mattered what way the diodes were put on, but I DO NOW...lol

Ok, after the first time I fired it up, I blew all 3 of the 2 amp SB fuses. Upon reading and inspection, I noticed that 2 diodes were on one way and the third was on the opposite. After looking at all the other coils, I seemed to determine the correct way the diodes were to be soldered on.

This is where I am stumped. One of the bumpers works perfectly and the other to go immediately into the down position and hum, OFF goes the machine right away ( by me switching it off ).

I feel very confident in the way I have the diodes soldered on now, where do I look next ?
I am fairly mechanical, have a circuit tester, and a complete manual for the machine, but do not know where to start....

Did I pop a transistor ? Board ? Something more, something else I could have overlooked ?

I hope I explained in detail enough for someone to steer me in the right direction, any help is much appreciated. !!


1 year later
#3 7 years ago

Thanks, we figured I blew a diode.....still learning, can you tell ?

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