Gottlieb System 1 Repair - Please Help!!

jimmywlby

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Donor 2011-2012
Joined
Nov 19, 2011
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I have a 1979 Gottlieb Pinball Pool. The machine has worked for years, but today the drop targets won't reset (pop up) during start-up. Also, the "C", "Bonus score when lit", "7", "5", "2" and "15" lights are on (and stay on) after start-up. Game plays after you hit the start button, but the drop targets never reset and those misc. lights never go out.

Any troubleshooting help you can give me is GREATLY appreciated!

Thanks,
Jim
 
Thanks, Ken!

Those docs helped me narrow down the problem. I'll post what I find in case someone else has the same problem.
 
Good Luck! Those are the best tips out there, helped me tremendously with Genie
 
Update - Still need help!

I replaced the Driver Board and the cable that links the MPU to the Driver Board (A1-J5 to A3-J1). I know that all 4 coils that lift the drop targets are working because I ran a jumper from the flipper coil to each of the coils and I can get them to fire when I press the flipper button.

Any ideas on what's going on? Also, the coil fails during the self test.

Any help from the forum is GREATLY appreciated.
 
Problem solved

Found out that there is a fuse on the playfield that controls the bank resets. Replaced it and I'm back in business.
 
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