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(Topic ID: 281943)

Custom sounds for gottlieb system 1 questions.


By madrandomize

6 days ago



Topic Stats

  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 6 days ago by Tuukka
  • No one calls this topic a favorite

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#1 6 days ago

Hi to all ! I would like some knowledge sharing from you guys.
I have a gottlieb system 1 Count-down pinball machine.
It is working correctly and has all the mods done to it and it works fine for the duration i have it.
I love the game but i hate the sounds .It has simpple beeps and boops (3 sounds total) that i grew abit bored about it.
I dont want to add chimes.

So let me explain first what is the situation.

System 1 has the sounds controlled via the solenoid board,that is why i can install very easy a chime box.
I think that the voltage that goes to the sound board is usual 5volts signal and then by passing inside the solenoid board it uses the transistors to give higher voltage and then go to the sound board and make a sound.(i am trying to explain it with layman terms because i dont know better)

One questions is : Can i intercept the signal (when it is at the 5 volt stage,before going to the solenoid board) by removing the connector going to the solenoid board, and then attach a custom soundboard to those wires and use custom sounds?

This will allow me to use 3 sounds from an custom soundboard library and use the default switches of the machine with minimal effort.

My problem is that i dont have arduino or some other electronics experience to tinker with

The other way is to just use a soundboard and wire 20 different mechanical switches but at the risk of drilling under the playfield and potentially making a mess with an extra cable harness that will go from the switches to the sound board.

Does any of you have any experience with this kind of customisation?

Thanks in advance for any responses and i look forward to any suggestion.

#2 6 days ago

The sound board drive signal is exactly the same as for solenoids. The driver board does not put out any voltage, but instead pulls the line to ground when activated. With solenoids or chimes, the other end of coil is connected to +24V. And with the 3-tone sound board, the driver just grounds the input allowing the tone generator to operate.

If you use a custom sound board, it needs to have active low inputs, and pullup resistors to 5 V or whatever is the board operating voltage.

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